Magnetrol Thermatel TA2 Foundation Fieldbus Instruction Manual

Installation and Operating Manual

Thermatel

®

Enhanced Model TA2

F

OundATIOn

Fieldbus

™

digital Output

Software v2.x

Thermal

Dispersion

Mass Flow

Transmitter

Unpacking

Unpack the instrument carefully. Make sure all components have been removed from the foam protection. Inspect all components for damage.

Report any concealed damage to the carrier within 24 hours. Check the contents of the carton/crates against the packing slip and report any discrepancies to Magnetrol. Check the nameplate model number to be sure it agrees with the packing slip and purchase order. Check and record the serial number for future reference when ordering parts.

0038

0344

These units are in compliance with:

1. The EMC directive 2014/32/EU. The units have been tested to EN61326:1997+A1+A2.

2. The ATEX directive 2014/34/EU. EC-type

Examination number ISSeP10ATEX046X (Ex d).

Standards applied: EN60079-0:2009 and

EN60079-1: 2007.

3. The PED directive 97/23/EC (pressure equipment directive). Safety accessories per category IV module H1.

Special Conditions for ATEX/IECEx Safe Use

• The temperature class of the unit may be affected if the temperature of the measured fluid exceeds 55 °C.

• The values of the flameproof joints are detailed in the drawings listed reference 99-7198.

Nameplate:

- partnumber

- amplifier

- serial n°

- tag n°

Serial number probe

Thermatel

®

Enhanced Model TA2 Transmitter

Table of Contents

1.0 F

OUNDATION fieldbus

™

Overview

1.1 Description ...............................................................4

1.2 Device Configuration................................................5

1.2.1 F

OUNDATION fieldbus ™ Revision Table ..........5

1.3 Link Active Scheduler (LAS) .....................................6

2.0 Quick Start Installation

2.1 Probe Installation ......................................................6

2.2 Wiring ......................................................................7

2.3 Configuration ...........................................................7

3.0 Installation

3.1 Unpacking ................................................................8

3.2 Electrostatic Discharge (ESD) Handling Procedure .....8

3.3 Installation ................................................................9

3.3.1 Electronics......................................................9

3.3.2 Probe/Flow Body............................................9

3.4 Wiring ....................................................................11

3.4.1 Power and Signal Connection ......................11

3.4.2 Ground Connection.....................................11

3.4.3 Remote Electronics.......................................12

3.4.3.1 Probe Wiring ........................................12

3.5 Configuring the Transmitter....................................13

3.5.1 Initialization .................................................13

3.5.2 Operator Keypad..........................................14

3.5.2.1 Menu Traversal Mode............................14

3.5.2.2 Item List Selection ................................14

3.5.2.3 Numeric Entry......................................15

3.5.2.4 Character Data Entry Mode..................15

3.5.2.5 Increment/Decrement Digit Mode........16

3.5.3 Password.......................................................16

3.5.4 Run Mode....................................................18

3.5.5 Measured Values...........................................18

3.5.6 Basic Configuration Menu ...........................20

3.5.7 I/O Configuration Menu .............................21

3.5.8 Totalizer .......................................................21

3.5.9 Advanced Configuration Menu ....................23

3.5.10 Device Information ......................................25

3.5.11 Diagnostics Menu ........................................26

3.5.12 Factory Configuration ..................................30

3.5.13 Probe Parameters ..........................................31

3.5.14 Calibration Parameters .................................32

3.5.15 Gas Parameters .............................................33

3.5.16 Air Equivalency Calibration .........................34

4.0 Function Blocks

4.1 Overview.................................................................35

4.1.1 Universal F

OUNDATION fieldbus ™

Block Parameters ..........................................35

4.2 Resource Block........................................................36

4.2.1 Additional Resource Block Parameters .........39

4.2.2 Manufacturer-Specific Parameters ................40

4.3 Transducer Block.....................................................41

4.3.1 Transducer Block Parameters........................41

4.4 Analog Input Block.................................................42

4.4.1 AI Block Parameters .....................................42

4.5 PID Block ...............................................................44

4.5.1 PID Block Parameters ..................................45

4.6 Integrator Block ......................................................47

4.6.1 Integrator Block Parameters .........................48

4.7 Local Display of Function Block Values ..................50

5.0 Diagnostic Parameters

5.1 Simulation Feature ..................................................52

5.1.1 Removing the Simulation Jumper ................52

5.2 Troubleshooting ......................................................52

5.2.1 Error Messages .............................................54

5.2.1.1 Fault Messages.......................................55

5.2.1.2 Warning Messages .................................56

5.2.1.3 Information Message.............................56

5.2.1.4 Device Status Parameter in the Transducer Block ........................57

5.3 Diagnostics Test ......................................................58

5.3.1 Heater Setting ..............................................58

5.3.2 Zero Power Test............................................58

5.3.3 Calibration Verification Procedure ...............58

6.0 Maintenance

6.1 Circuit Board Replacement .....................................60

6.2 Probe Replacement .................................................61

6.3 Replacement Calibration.........................................62

6.3.1 RTD Calibration..........................................62

6.3.2 Set Point Adjustment ...................................62

6.4 Flow Recalibration ..................................................62

7.0 Reference Information

7.1 Description .............................................................64

7.2 Theory of Operation...............................................65

7.3 Display Module ......................................................66

7.4 Replacement Parts...................................................67

7.5 Specifications ..........................................................68

7.6 Model Identification ...............................................69

7.7 Dimensions .............................................................74

7.8 References ...............................................................76

Appendix A – Transducer Block Parameters

.................76

Appendix B

....................................................................78

4

1.0

F

OUNDATION

fieldbus

™

Overview

1.1

Description

F

OUNDATION fieldbus ™ is a digital communication system that serially interconnects devices in the field across a network.

Fieldbus devices are smart and can maintain control over the system. The network can carry many process variables as well as other operational/maintenance information.

1900 m (6234 feet) maximum

Power

Conditioner

PC

Terminator

Power Supply

Control Room

Input Power

Typical Fieldbus Installation

Input Power Input Power

Terminator

The Enhanced Model TA2 transmitter is a

F

OUNDATION fieldbus

™ registered device that communicates with the H1 F

OUNDATION fieldbus ™ protocol operating at

31.25 kbits/sec. The H1 physical layer is an approved

IEC 61158 standard.

An IEC 61158 shielded twisted pair wire segment can be as long as 1900 m (6234 feet) without a repeater. Up to

4 repeaters per segment can be used to extend the distance.

The maximum number of devices allowed on a Fieldbus segment is 32.

Details regarding cable specifications, grounding, termination, and other network information can be found in IEC 61158 or the wiring installation application guide AG-140 at

www.fieldbus.org

.

NOTE: The Model TA2 FF Flow Meter is designed as a “Four-Wire”

Transmitter. Since power is required for the operation, the

TA2 FF requires supplemental power which can be either 15 to 30 VDC or 100 – 264 VAC. The TA2 connection to the host computer can be installed using a single pair of wires in multidrop configuration.

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Model TA2 Transmitter - F

OUNDATION fieldbus

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1.2

Device Configuration

The function of a F

OUNDATION fieldbus

™ device is determined by the arrangement of a system of blocks defined by the

Fieldbus Foundation. The types of blocks used in a typical

User Application are described as follows:

Resource Block

describes the characteristics of the

F

OUNDATION fieldbus ™ device such as the device name, manufacturer, and serial number.

Transducer Blocks

contain information such as calibration parameters and sensor type. They are used to connect the sensor to the input function blocks.

Function Blocks

are built into the F

OUNDATION fieldbus ™ devices as needed to provide the desired control system behavior. The input and output parameters of function blocks can be linked over the Fieldbus. There can be numerous function blocks in a single User Application.

PID Blocks

are key to many control schemes and contain the logic necessary to perform Proportional/Integral/Derivative control.

Analog Input (AI) Blocks

use values from the Transducer

Block and make available to other function blocks.

Integrator Blocks

accumulate the flow or mass value from the AI Block to provide the value of the Totalized Flow.

Device Descriptions

An important requirement of Fieldbus devices is the interoperability concept mentioned earlier. Device Description

(DD) technology is used to achieve this interoperability.

The DD provides extended descriptions for each object and provides pertinent information needed by the host system.

Any Fieldbus host system can operate with a device if it has the proper DD and Common File Format (CFF) for that device.

The most recent DD and CFF files can be found on the

F

OUNDATION fieldbus

™ web site at

www.fieldbus.org

.

NOTE: Please consult your host system vendor for any host-specific files that may be needed.

1.2.1 F

OundATIOn fieldbus

™

Revision Table

Model TA2 2.x

F


™

F


™

Compatible with

Version Release date TA2 Software

Dev V1 DD V1 October 2011 Version 2.0A and later

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OUNDATION fieldbus

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5

6

Pipe centerline

1.3

Link Active Scheduler (LAS)

The default operating class of the Enhanced Model TA2 with F

OUNDATION fieldbus ™ is a basic device. However, it is capable of being a Link Active Scheduler (LAS). The LAS controls all communication on a F

OUNDATION fieldbus

™ segment. It maintains the “Live List” of all devices on a segment, coordinates both the cyclic and acyclic timing and, at any given time, controls which device publishes data via

Compel data (CD) and Pass Token (PT).

The primary LAS is usually maintained in the host system, but in the event of a failure, all associated control can be transferred to a backup LAS in a field device such as the

Enhanced Model TA2. The operating class can be changed from basic to LAS using a F

OUNDATION fieldbus ™ configuration tool.

NOTE: The Enhanced Model TA2 is shipped from the factory with

Device Class set to Basic.

2.0

Quick Start Installation

The TA2 is calibrated and configured with the information supplied to MAGNETROL with the order. The instrument can be installed, wired, and placed directly into operation.

25 mm (1")

2.1

Probe Installation

Insert the probe into the pipe or duct at the appropriate location. It is recommended that the sensor be located on the center line of the pipe and that the flow arrow be positioned in the direction of flow.

See Appendix B for recommended straight run and flow conditioning plate installation details (if applicable).

Figure 1

Probe Installation into Pipe or duct using a Compression Fitting

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AC Power input

(100 – 264 VAC)

TB1

AC INPUT

100-264 VAC

50/ 60Hz

TB1

DC Power input

(15 – 30 VDC)

TB2

F

OUNDATION

fieldbus ™

Connection

TB3

DC

INPUT

– +

TB2

FIELDBUS

INTERFACE

FF– FF+

TB3

Figure 2

Enhanced TA2

F


™

Wiring Board

2.2

Wiring

Warning:

Explosion Hazard. Do not connect or disconnect equipment unless power has been switched off or the area is known to be non-hazardous.

NOTE: Make sure the electrical wiring to the TA2 is complete and in compliance with all regulations and codes. For a maximum ambient temperature of 80 °C use wiring rated up to 264 VAC and 105 °C. For a maximum ambient temperature of 70 °C use wiring rated up to 264 VAC and 95 °C.

NOTE: The AC power terminal blocks accept 12-22 AWG wire and the

DC power terminal blocks accept 14-30 AWG wire. Select wire size consistent with power requirements.

1. Remove the cover of the rear compartment.

2. Pull power supply and control wiring through conduit connection.

3. Connect power leads to proper terminals.

a. 100 to 264 VAC – Make connections to TB1.

Connect the “hot” wire to L1 and the second wire to L2.

b. 15 to 30 VDC – Make the connections to TB2.

Connect the Positive wire to (+) and the negative lead to (–).

4. Connect Foundation fieldbus leads to terminal TB3.

Connect the positive wire to FF+ and the negative wire to

FF-. Fieldbus voltage range is 9-32 VDC.

NOTE: Ensure that the correct wiring is made to the appropriate terminals. Connecting the DC power to the AC terminals will cause the unit not to operate. Connecting the AC power to the

DC terminals will blow the fuse and potentially cause damage to the electronics boards.

NOTE: The green ground screw in the rear of the housing should be used for earth ground.

NOTE: Shielded cable is required for the DC wiring. Connect the shield wire to the green ground screw in the rear of the housing.

2.3

Configuration

The TA2 is pre-configured using the information supplied with the order. If desired, the user can view or change any of the configuration data. See

Configuring the Transmitter,

Section 3.5

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OUNDATION fieldbus

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3.0

Installation

3.1

Unpacking

Save the Calibration Certificate containing the calibration and configuration data for future reference.

3.2

Electrostatic Discharge (ESD)

Handling Procedure

MAGNETROL electronic instruments are manufactured to the highest quality standards. These instruments utilize electronic components which may be damaged by static electricity present in most work environments. The following steps are recommended to reduce the risk of component failure due to electrostatic discharge:

1. Ship and store circuit boards in anti-static bags. If an antistatic bag is not available, wrap board in aluminum foil.

Do not place boards on foam packing materials.

2. Use a grounding wrist strap when installing and removing circuit boards. A grounded workstation is also recommended.

3. Handle printed circuit boards only by the edges. Do not touch components or connector pins.

4. Ensure that all electrical connections are completely secure and none are partial or floating. Ground all equipment to a good earth ground.

NOTE: The instrument is rated per IEC 61010-1 for use in Installation

Category

II

, Pollution Degree 2.

8

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OUNDATION fieldbus

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3.3

Installation

3.3.1 Electronics

The instrument is rated for use in Class I, Division 1 and

Class I, Division 2 areas. The enclosure is also rated

NEMA 4X. Remote electronics (optional) should be installed in an easy to access location within 150 m

(500 feet) of the sensor. The electronics should not be installed in areas where ambient temperature exceeds

+80 °C (+175 °F). If ambient temperature is between

-30 °C to -54 °C (-22 °F to -65 °F), the unit will operate but the display will not be readable.

Provide watertight seals for all wiring entrances in the enclosure to maintain the NEMA 4X rating. Use appropriate NEC section when installing the instrument.

NOTE: A switch or circuit breaker should be installed in close proximity to the equipment and within easy reach of the operator.

It should be marked as the disconnecting device for the equipment.

Pipe centerline

25 mm (1")

3.3.2 Probe/Flow Body

Proper installation of the probe in the pipe or duct is essential for accurate air or gas flow measurement. Normal procedures for installing any type of flow element should be followed. See Appendix B for additional information on probe location.

Figure 3

Probe Installation into Pipe or duct using a Compression Fitting

A flow arrow is etched on the sides of the probe to designate flow direction. The instrument is calibrated with the flow in this direction. Ensure that the flow arrow is aligned in the direction of flow. The instrument is unable to recognize flow direction if inserted with the flow arrow in the wrong direction.

It is generally recommended that the sensor be located in the center of the pipe. This location provides less sensitivity to changes in flow profile. Sensors mounted through compression fittings have the ability to field adjust the sensor to the desired location by using the dimensions as shown in Figure 3.

It may be necessary to rotate the head of the instrument to view the display while maintaining the proper flow orientation. This is accomplished by loosening the set screw on the bottom of the housing, rotating the enclosure to the desired position and re-tightening the set screw. The second set screw is a stop to prevent over rotating the enclosure.

See figure 4.

Figure 4

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OUNDATION fieldbus

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9

10

Figure 5

Probe Installation into a Tee Fitting is not Recommended

Various methods of mounting the probe include compression fittings, threads, and flanged connections. Refer to probe model numbers. The insertion probe can be installed through a compression fitting. The use of a bored-through fitting with 3 ⁄

4

" or 1" NPT connection for

3 ⁄

4

" outside diameter tube is recommended.

The use of Teflon

® ferrules should be considered if repeated reposition of the sensor is considered. The stainless steel ferule can only be tightened once as it makes a permanent indentation on the probe. If using a compression fitting with stainless steel ferrules, ensure that the probe is in the desired location before tightening.

NOTE: The TA2 flow measurement is based on a fully developed turbulent flow profile in a pipe with the specified inner diameter.

Accuracy will be affected if these conditions are not obtained.

Installing the probe in a tee is not recommended as the flow profile and the flow area are distorted (See figure 5).

For applications where it is desirable to install or remove the probe without having to shut down the process,

The MAGNETROL Retractable Probe Assembly (RPA) can be utilized.

WARNING

To avoid potential damage or injury, never loosen a compression fitting while sensor is under pressure.

NOTE: Remote electronics is recommended for operating temperatures greater than +120 °C (+250 °F) or in locations where the temperature of the electronics will exceed +80 °C (+175 °F).

Optionally, an insertion probe with extended probe length to provide at least 100 mm (four inches) between the electronics and the compression fitting can be utilized.

NOTE: The sensor must be installed in a location where moisture cannot drip or come in contact with the heated element. Any contact with condensed moisture in the gas flow will cause a false high flow indication. Consider mounting the probe at a 45° angle from top, from the side or bottom of the pipe to minimize possibility of condensed moisture running down the probe and contacting the sensor (see Figure 6). In extreme cases, it may be necessary to insulate or even heat trace the pipe to prevent the condensation of moisture.

The TA2 with an insertion probe provides a point measurement and assumes that a fully developed profile exists.

See Appendix B. The user has the ability to compensate the flow measurements based upon flow profile considerations under the Advanced Configuration section of the software. See Section 3.5.9.

NOTE: If equipment is used in a manner not specified by manufacturer, protection provided by equipment may be impaired.

Figure 6

Install the TA2 at an Angle where Condensed Moisture may be Present

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Front

Compartment

Rear

Compartment

Figure 7

Wiring Housing Cover

AC Power input

(100 – 264 VAC)

TB1

DC Power input

(15-30 VDC)

TB2

F

OUNDATION

fieldbus ™

Connection

TB3

AC INPUT

100-264 VAC

50/ 60Hz

TB1

DC

INPUT

– +

F1

TEST

TB2

F2

F2 TEST

F1

FIELDBUS

INTERFACE

FF– FF+

TB3

D6

Figure 8

Enhanced TA2

F


™

Wiring Board

3.4

Wiring

There are two connections in the electronics enclosure for

3

⁄

4

" NPT or M20 connections. These are generally used as one connection for input power and one for output signal.

3.4.1 Power and Signal Connection

The instrument has separate wiring connections for AC (100 to 264 VAC) and DC (15 to 30 VDC). AC power wiring connections are made to terminal block TB1. DC

Connec-tions are made to terminal block TB2. Refer to

Figure 8.

NOTE: The AC power terminal blocks accept 12-22 AWG wire and the DC power terminal blocks accept 14-30 AWG wire. Select wire size consistent with power requirements.

For a maximum ambient temperature of 80 °C use wiring rated up to 264 VAC and 105 °C. For a maximum ambient of 70 °C use wire rated up to 264 VAC and 95 °C.

Caution: OBSERVE ALL APPLICABLE ELECTRICAL COdES

And PROPER WIRInG PROCEduRES.

1. Make sure the power source is turned off.

2. Unscrew and remove housing cover of rear compartment.

Refer to Figure 7.

3. Pull power supply and control wires through conduit connection.

4. Connect power leads to proper terminals. Refer to Figure 8.

a. VAC (100 to 264 VAC) Make connections to TB1.

Connect hot wire to terminal marked L1 and the second wire to the terminal marked L2.

b. DC (15 to 30 VDC)–Make connections to TB2. Connect wires to terminals (+) and (-) on the terminal block.

c. Connect Foundation fieldbus leads to terminal TB3.

Fieldbus voltage range is 9-32 VDC.

NOTE: The green screw in the rear of the housing should be used for earth ground.

NOTE: Shielded cable is required for the DC wiring. Connect the shield wire to the green ground screw in the rear of the housing.

5. Replace housing cover. Installation is complete.

Caution:

In hazardous areas, do not apply power to the unit until the conduit is sealed and the enclosure cover is screwed down securely.

NOTE: Install using Teflon ® tape at all conduit entries (maximum 2 turns).

3.4.2 Ground Connection

The instrument must be grounded in accordance with

Article 250 of the National Electric Code.

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OUNDATION fieldbus

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11

Power Fieldbus Board in Electronics Housing

J1

1 2

3

4 5

6

TB

1

7 8

9 1

0 1

1

3.4.3 Remote Electronics

If the electronics are remote from the probe, a remote board with terminal blocks is provided in the housing on the probe. In case of ATEX flameproof enclosure a special

8-conductor shielded cable is used. Refer to cable model numbers. For non-hazardous area the type of cable depends on the required length. For cable lengths up to 45 m

(148 ft), the connection between the probe and electronics should be an 8-conductor shielded cable (Belden 8104). For cable lengths up to 150 m (492 ft), a 10-conductor shielded cable (Belden 8305) is used. Refer to cable model numbers. This cable length can be adjusted in the field. If cable other than the recommended Belden cable is used, following are the maximum resistances which should be utilized:

8 Conductor – maximum resistance of 5.4 ohms

10 Conductor – maximum resistance of 10.0 ohms

Caution:

The probe and electronics are calibrated and shipped as a matched set. The model number is indicated on both the electronics nameplate and the probe nameplate; verify that they are the same.

TB2

1 2 3 4 5 6 7 8 9 10

To Probe

Figure 9

Probe Housing

REMOTE WIRInG CABLE COnnECTIOnS

Belden 8104

Max 45 m

(148 ft)

Wire Color

Green/White

White/Green

Blue/White

White/Blue

Brown/White

White/Brown

Orange/White

White/Orange

Shield

Belden 8305

Max 150 m

(492 ft)

Wire Number

TB2 connection

Probe Housing

TB1 connection at

Circuit Board in Electronics

1

2

3

4

5

6

7

8

9

10

Shield

1

2

3

4

5

6

7

8

9

10

Not used

1

2

3

4

5

6

7

8

9

10

11

3.4.3.1 Probe Wiring

The probe housing contains a remote board with terminal blocks for ease of wiring between the probe and the electronics. An 8-wire (Belden 8104) or 10-wire (Belden

8305) shielded interconnecting cable from the probe housing to the instrument is required. Refer to Figure 9 for wiring connections inside the probe housing and for remote cable wiring from the probe housing to the electronics housing.

1. Remove electrical power to the instrument.

2. Remove and unplug the display module if provided.

3. Remove the two hex head fasteners using a 1 ⁄

4

" socket. This will remove a module consisting of the processor circuit board and the power fieldbus circuit board.

4. Unplug the electrical connections at J1 of the power fieldbus board.

5. Probe wiring connections are made to TB1 on the same side of the power fieldbus circuit board. Refer to Figure 9.

6. Reattach the electrical connections to J1.

7. Reassemble the circuit boards in the enclosure. Make sure that the probe wiring does not get pinched between the standoffs on the circuit board and the attachment lugs in the housing.

8. Reinstall the display module if provided.

9. Apply power to the instrument.

12

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Figure 10 display Module can be Rotated

3.5

Configuring the Transmitter

The TA2 electronics are easy to set up and configure to the user’s specifications. When specified with the order, the configuration settings are programmed into the instrument at the factory. If not, or if the user wants to modify the configuration settings, follow these instructions for configuring the instrument. The primary structure of the software is divided into eight main groups:

Measured Values

Basic Config

I/O Config

Advanced Config

Device Info

Diagnostics

Factory Configuration

Run Mode

View Selected Values

Configuration of essential programming information

Configure all input/output functions

Additional configuration which affects the unit operation

Provides information on the instrument

Test operation of instrument

Factory calibration information

Normal operating mode

All necessary information can be input using the 4-button keypad located on the display module.

NOTE: The Display Module can be rotated in 90-degree increments.

Remove cover, remove the two screws holding the display module, rotate to desired location and reattach display module.

See Figure 10.

3.5.1 Initialization

When power is first applied to the TA2 there is an initialization period for the sensor to reach stabilization. During this time the TA2 display (if provided) will read “Initializing.”

Only after the sensor has stabilized and a valid flow measurement is obtained will the display show a flow measurement. The output signal will be active and the totalizer will begin counting.

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3.5.2 Operator Keypad

The TA2 has a local user interface using a 2 -line ¥ 16 character liquid crystal (LCD) and 4-push-button keypad.

All measurement data and configuration information is shown in the LCD.

The TA2 is configured via a “tree” type menu structure where it is easy to access branches of the tree to configure the various parameters. The four push buttons have different functions for various operating modes in the menu structure.

3.5.2.1 Menu Traversal Mode

Push Button

Up

Keystroke Action

Moves to the previous menu

Down Moves to the next menu

Back Moves back one level to the previous higher branch

Enter Enters into the lower level branch

3.5.2.2 Item List Selection

Data is selected from a pre-specified list of entries. When

Enter key is depressed on a menu item the following modes are available. The symbol (

◊

) is shown on the right most character of the 2nd line to indicate that various selections are available.

Push Button Keystroke Action

Up Moves to the previous selection in the list

Down Moves to the next selection in the list

Back

Enter

Returns to the previous mode without changing selection

Accepts the selection and returns to the menu traversal mode

NOTE: If a key is not pressed for 5 minutes, the display returns to the run mode.

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3.5.2.3 Numeric Entry

The Numeric Entry Mode is used to enter numeric values.

This mode is accessed when the Enter Key is pressed on a menu item that requires entry of a numeric value. Data is entered at the cursor position:

Push Button

Up

Down

Back

Enter

Keystroke Action

Moves to the next digit (0,1,2,3…9). If held down the digits scroll until the push button is released.

Moves to the next digit (9,8,7,6…0). If held down the digits scroll until the push button is released.

Moves the cursor to the left and deletes the digit. If the cursor is located at the leftmost position the entire value is deleted and the previous saved value is displayed.

Moves the cursor to the right. If the cursor is located at a blank position, the new value is saved and the display returns to the previous menu.

NOTE: In numeric entry mode, the leftmost position will show "+" if a negative value can be entered. To enter a negative value, move the cursor to left with the back button and toggle between “+” and “–” using the and arrows. If only positive values are valid, first digit is entered at leftmost position with no sign indicated. A decimal point can be entered after the first digit is entered.

3.5.2.4 Character Data Entry Mode

This mode is most commonly used when entering a new local tag line into the TA2. The local tag as shipped from the factory is “MAGNETROL TA2” and can be changed to permit the user to identify the instrument with a the actual tag line of the instrument or the service. When this mode is entered, a cursor marks the leftmost character on the 2nd line.

Push button

Up

Keystroke Action

Moves to the next character (Z, Y, X, W, …). If held down the characters scroll until the push button is released.

Down

Back

Enter

Moves to the previous character (A, B, C, D, …). If held down the characters scroll until the push button is released.

Moves the cursor to the left. If the cursor is located at the leftmost position the screen is exited without changing the original characters.

Moves the cursor to the right. If the cursor is located at the rightmost position the new value is saved and the display returns to the previous menu.

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3.5.2.5 Increment/Decrement Digit Mode

The Increment/Decrement digit entry mode is used with some screens for changing numeric values.

Push button

Up

Down

Back

Enter

Keystroke Action

Increases the displayed value. If held down the digits scroll until the push button is released. Depending upon what screen is being revised, the increment amount may change by a factor of 10 after the value has been increased 10 times.

Decreases the displayed value. If held down the digits scroll until the push button is released. Depending upon what screen is being revised, the decrement amount may change by a factor of 10 after the value has been decreased 10 times

Return to the previous menu without changing the original value which is immediately redisplayed.

Accepts the displayed value and returns to the previous menu.

3.5.3 Password

A password protection system restricts access to portions of the user interface menu which affect the unit’s operation and configuration. The default user password is 0.

If desired, a new user password can be entered in the

Advanced Configuration in the New Password screen.

The password can be changed to any numerical value up to 255.

Per revised password policy, user authority is no longer granted from the Fieldbus interface if the user password has been set to a non-zero value. It will be necessary to enter the user password to access user parameters from the

Host system.

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Home

TA2 user Interface

Menu Hierarchy Overview

Measured Values

See Page 19

Basic Config

See Page 21

Flow Area

I/O Config

See Page 22

Totalizers

See Page 22

Advanced Config

See Page 24

Device Info

See Page 26

Diagnostics

See Page 27

Factory Config

See Page 31

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History

Signal

See Page 28

See Page 28

17

3.5.4 Run Mode

The Run Mode is the normal display for the TA2. The user has the option of selecting displayed values such as Flow,

Mass, Process Temperature, Totalized Flow, AI output,

IT output values and local tag. These values will rotate at

2-second intervals on the display during operation.

AI output and IT output values will be blank until configured by the corresponding block. Run Mode appears on power-up or after a 5-minute period with no keypad activity.

The main menu is used to access the various parameters and sub-menus. From the Run mode, press any key to enter the Main Menu. The following describes the various selections available.

3.5.5 Measured Values

The Measured Values menu is used to display the current values measured by the TA2 and determine which parameters will be shown on the display during run mode. Enter this section by pressing when Measured Values is displayed from the Main Menu.

From the factory, the Home Menu will show the tag line and the flow value. To add or remove parameters from the

Home Menu press the key. Use the or keys to add (On Main Disp) or remove (Off Main Disp) variables.

To return to the rotating Home Menu, simply press the key twice.

18

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start

Model TA2 [FF]

Ver 2.1 a

* [label] *

[string or value]

UP

DN

ENT

DEL

Rotating screens

* Status *

[fault or warning]

Shown only if fault or warning

DEL

DEL

DEL

DEL

UP

DN

Measured Values to select

UP

DN

Basic Config to select

UP

DN

I/O Config to select

UP

DN

Advanced Config to select

UP

DN

Device Info to select

UP

DN

DEL

Diagnostics to select

UP

DN

DEL

TA2 User Interface

Home and Associated Menus

Factory Config to select

UP

DN

ENT

DEL

DEL

DEL

DEL

DEL

DEL

DEL

DEL

DEL

DEL

UP

DN

Flow nnn units

UP

DN

Mass nnn units

UP

DN

Process Temp nnn units

UP

DN

R Totalizer nnnn units

UP

DN

NR Totalizer nnnn units

UP

DN

A

I

1 Out _ _ _ _ nnnn units

UP

DN

A

I

n Out _ _ _ _ nnnn units

UP

DN

IT Out nnnn units

UP

DN

Local Tag

Magnetrol TA2

UP

DN

Previous Menu to select

UP

DN

ENT

ENT

ENT

ENT

ENT

ENT

ENT

ENT

ENT

ENT

On Main Disp

Off Main Disp

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3.5.6 Basic Configuration Menu

The Basic Configuration menu is used to select the display units and enter specific information for the application. Access this section by pressing Enter when Basic Config is displayed from the Main Menu.

To calculate the flow or mass, it is necessary to accurately enter the inside area of the pipe or duct. If the pipe or duct is circular, simply enter the inside diameter; the cross sectional area of the pipe is automatically calculated. If the duct is rectangular, skip over the entry of diameter, and directly enter the cross sectional area in the area section. The instrument will then back calculate an equivalent diameter.

Basic Config

–> to select

DEL

DEL

DEL

DEL

DEL

DEL

DEL

DEL

DEL

ENT

DEL

Diameter Units

[selection]

UP

DN

Area Units

[selection]

UP

DN

User Units

[selection]

UP

DN

Flow Area to select

UP

DN


UP

DN

Language

[selection]

UP

DN

Flow Units

[selection]

UP

DN

Mass Units

[selection]

UP

DN

Temp Units

[selection]

UP

DN

Density Units

[selection]

UP

DN

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

English

Francais

Deutsch

Español

Русс

К ий

SCFM

SCFH

MM SCFD

Nm3/h

Nl/h lb/H lb/M kg/h kg/m

Fahrenheit

Celsius lb/ft3 kg/m3 inches feet meters millimeters in2 ft2 m2 mm2

SCFM

SCFH

MM SCFD

Nm3/h

Nl/h

Pipe ID

[selection]

UP

DN

Area

[selection] lb/h lb/m kg/h kg/m

ENT

DEL

ENT

DEL


System Configuration Menu

decimal entry in selected units decimal entry in selected units

Configuration Parameter Explanation

Language The TA2 can be configured in English (default value), French, German, Spanish or Russian

Flow Units

Mass Units

Selection of SCFM, SCFH, MM SCFD, Nm

Selection of lb/h, lb/min, kg/h, kg/min

3 /h, Nl/h

Temperature Units

Density Units

Diameter Units

Area Units

Selection of Fahrenheit, Celsius lb/ft 3 , kg/m 3

Selection of inches, feet, meters, millimeters in 2 (square inches), ft 2 (square feet), m 2 (square meters), mm 2 (square mm)

User Units

Flow Area

SCFM, SCFH, MM SCFD, Nm3/h, Nl/h, lb/h, lb/min, kg/h, kg/min. Units used with install factors. See Advance Configuration Menu.

The TA2 requires entry of the pipe size or flow area to properly calculate the flow rate.

This can either be entered by specifying the ID of the pipe or the flow body or by entering the flow area. Units of measurement are specified above.

20

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3.5.7 I/O Configuration Menu

The configuration menu for the Totalizers is shown on page 23.

I/O Config to select

DEL

DEL

DEL

Totalizers to select

UP

DN

Damping (0 –15)

[entered value]

ENT

DEL see page 23 for Totalizer

Configuration

ENT

DEL

UP

DN


[inc/dec]

0–15


I/O Configuration Menu

Configuration Parameter Explanation

Totalizer

The TA2 provides both a resettable and a non-resettable totalizer.

Configuration information on the totalizers is found on page 23.

Damping

Increasing the Damping will smooth the TA2 display of the measured values. This may be used in cases when turbulence is causing fluctuations in the measurement.

The damping value is expressed in time constants. A one-second time constant means that with a step change in flow, the measured flow value will reach approximately 63 % of the new value in one second and approximately 99 % of the new value in five seconds. The lower limit is 0 which means no damping (other than the inherent response time of the sensor); the upper limit is 15 seconds.

3.5.8 Totalizer

The totalizer provides seven digits of resolution. In the event of a fault indication, the totalizer will not accumulate. When the value in the totalizer exceeds 9,999,999, the totalizer will rollover. The Total Time will keep counting.

Both the Resettable and Non-Resettable totalizers have individual multiplier factors which can be used to prevent too frequent rollover and potential loss of data.

The Totalizer data is stored in nonvolatile memory, eliminating the need of backup batteries. Data is written hourly.

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Totalizers to select

DEL

DEL

DEL

DEL

DEL

DEL

DEL

DEL

DEL

DEL

ENT

DEL

UP – DN

R Total Mode

[selection]

UP – DN

R Total Units

[selection]

UP – DN

R Total Mult

[selection]

UP – DN

R Totalizer nnnnnnn units

UP – DN

R Total Time nnnnnh nnm nns

UP – DN

R Totalizer

Reset

UP – DN

NR Total Units

[selection]

UP – DN

NR Total Mult

[selection]

UP – DN

NR Totalizer nnnnnnn units

UP – DN

NR Total Time nnnnnh nnm nns

UP – DN


ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

Disabled

Enabled

SCF

Nm

3

Nl lb kg

1

10

100

1,000

10,000

100,000

Are You Sure?

[selection]

SCF

Nm 3

Nl lb kg

1

10

100

1,000

10,000

100,000

ENT

DEL


I/O Configuration Menu

Totalizers

No

Yes

22

Configuration Parameter

R Total Units

R Total Mode

R Total Mult

R Totalizer

R Total Time

R Totalizer Reset

NR Total Mult

NR Total Units

NR Totalizer

NR Total Time

Explanation

The R Totalizer Units permits selection of the units for the resettable totalizer. Select SCF (Standard Cubic Feet),

Nm 3 (Normal Cubic Meters), Nl (Normal Liters), lb (Pounds), or kg (Kilograms).

R Total Mode allows the user to enable or disable the Resettable totalizer. The default mode is Enabled.

The R Total Mult permits selection of the multiplier to be used for the resettable totalizer. The function of the totalizer multiplier is such that if the units are SCF and the multiplier is set to 100, then the totalizer will increment for each 100 SCF. The default value is 1.

This is a read-only screen that displays the present value of the resettable totalizer.

This is a read-only screen that displays the time that has elapsed since the resettable totalizer was last reset.

The R Totalizer Reset screen allows the user to reset the total flow and elapsed time of the resettable totalizer to zero.

Since this action will permanently lose this data, a second chance is provided with an “Are you sure” selection.

The NR Total Mult permits selection of the multiplier to be used for the Non-resettable totalizer. The function of the totalizer multiplier is such that if the units are SCF and the multiplier is set to 100, then the totalizer will increment for each 100 SCF. The default value is 1000.

The NR Totalizer Units permits selection of the units for the non-resettable totalizer. Select SCF (Standard

Cubic Feet), Nm3 (Normal Cubic Meters), Nl (Normal Liters), lb (Pounds), or kg (Kilograms).

This is a read-only screen that displays the value of the Non-resettable totalizer.

This is a read-only screen that displays the time that corresponds to the value of the NR Totalizer.

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3.5.9 Advanced Configuration Menu

The Advanced Configuration menu sets advanced parameters that may occasionally be required for proper operation of the TA2.

Advanced Config to select

ENT

DEL

DEL

UP

DN

New Password

[entered value]

UP

DN

Install Factors to select

ENT

DEL decimal entry

ENT

DEL

DEL

UP

DN

A+Bx+Cx^2, A=

[entered value]

UP

DN

A+Bx+Cx^2, B=

[entered value]

ENT

DEL

ENT

DEL decimal entry decimal entry


UP

DN

DEL

DEL

DEL

GasCal Table A / B

[selection]

UP

DN

Auto Switching

[selection]

UP

DN

STP Conditions to select

UP

DN

ENT

DEL

ENT

DEL

ENT

DEL

DEL


UP

DN

Advanced Configuration Menu

DEL

DEL

DEL

A+Bx+Cx^2, C=

[entered value]

UP

DN


UP

DN

Table A

Table B

UP

DN

Disabled

Enabled

UP

DN

Temperature

[entered value]

UP

DN

Pressure

[selected value]

UP

DN


UP

DN

ENT

DEL

ENT

DEL

ENT

DEL decimal entry decimal entry in selected units

1 atm

1 bar

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New Password

Install Factors

Gas Cal Table A /B

Auto Switching

STP Conditions

Explanation

The default password is 0. If desired, a different password can be entered in the

New Password

screen. The password can be changed to any numeric value up to

255. The display will show an encrypted value. Contact MAGNETROL Technical

Support with this value to determine the actual password which was last entered.

Permits the user to enter field adjustment factors to make adjustments to the flow measurement. These might be due to flow profiles considerations. The formula is a second order polynomial equation where adjusted flow = a + bx + cx

2 where x is in units selected in the Transducer Block under “USER _UNIT.” Linear adjustments

(changing the B factor) are the simplest. Ensure that units of measurement are finalized before Install Factors are determined. Changing units of measurement after Install Factors are calculated can result in reset of the Install Factors and a warning message.

Permits the user to select calibration for two different gases. If specifically ordered with calibration for two different gases, then each gas table will represent the calibration data for each gas. If calibrated for a gas other than air, the “A” table will represent the calibration data for the specified gas and the “B” table will represent the calibration data for air within a selected calibration range. The two gas tables can also be used for different ranges of the same gas.

Allow automatic switching between a low flow Table A and a high flow Table B. It is necessary to have a dual calibration and distinct flow rate differences between tables in order to perform switching function. With Foundation Fieldbus version, it is only possible to Enable from the display.

Permits the user to select STP (Standard Temperature and Pressure) conditions.

Also referred to as Standard Conditions or Normal Conditions. Any value for temperature can be entered. Pressure can be selected to be 1 Atmosphere or 1 Bar.

Adjustment of the STP conditions will affect the flow calculations.

24

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3.5.10 device Information

This section is used to display information about the device. Also in this section is the ability for the user to enter a local tag describing the location of the instrument.

Device Info to select

DEL

DEL

DEL

DEL

DEL

ENT

DEL

UP

DN

Input Local Tag

[entered value]

UP

DN

Magnetrol S/N

[value]

UP

DN

Model TA2 FF

[Ver 2.1 a]

UP

DN

Device Addr xxx

UP

DN

Date Code xxxxxxxxxxx

UP

DN


UP

DN

ENT

DEL alphanumeric entry

(16 chars)


Device Information Menu


Input Local Tag

MAGNETROL S/N

Model TA2 FF

Device Addr

Date Code

Explanation

From the factory this tag is shown as “MAGNETROL TA2” but this can be changed to describe the application or the flow transmitter number. The tag can contain a maximum of 16 characters. All upper and lower case letters, numbers and other characters are provided for the tag. See section 3.5.2.4 for details on entering characters.

Displays the MAGNETROL serial number of the instrument. This is needed if information on the specific instrument is desired in the future.

Provides information on the firmware used in this version of the TA2.

Address assigned to the instrument by the host. Default is 248.

Factory Parameter to provide unique identification.

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3.5.11 diagnostics Menu

The Diagnostics Menu contains both informational items and diagnostic screens that can assist in obtaining information on the operation of the unit and troubleshooting if faults or warnings occur.

Diagnostics to select

DEL

DEL

DEL

DEL

DEL

DEL

DEL

DEL

ENT

DEL see next page

Delta Temp

[temp value]

UP

DN

Heater Setting

[integer value]

UP

DN

Max Process Temp

[max value]

UP

DN

Electronics Temp

[current value]

UP

DN

Max Elec Temp

[max value]

UP

DN

UP

DN

ENT

DEL

History

[current status]

UP

DN

Run Time nnnnh nnm nnsec

UP

DN

History

Reset

UP

DN

Signal xxx mW xxxx xx units

UP

DN

Previous Menu

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL to select

ENT

DEL

Run-time since history was reset.

Event nn

[Diagnostic Text]

Are You Sure?

[selection]

FxdSgl xxx mW xxxx xx units

Reset?

[selection]

Reset?

[selection]

UP

DN

ENT

DEL


Diagnostics Menu

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

No

Yes

No

Yes

No

Yes

Eventnn Occurred nnnnnh nnm nnsec

UP

DN

Eventnn Duration nnnnnh nnm nnsec

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3.5.11 diagnostics Menu (cont.)


History

Run Time

History Reset

Signal

Delta Temp

Heater Settings

Maximum Process Temp

Electronic Temp

Max Elect Temp

Explanation

Displays the present status and the sequence in which any diagnostic events may have occurred. The second line of the menu shows the present status. If there are no present diagnostic events, this screen will have

History

on the top line and

OK

on the bottom line. Pressing descends to a lower menu level to view diagnostics events that have been logged in

History

. Each “event” is indicated by the event number label. The first event number label presented corresponds to the most recent diagnostic event. This event number also indicates the number of diagnostic events currently in the

History

submenu. Pressing the or will cycle between the relative time of the occurrence and the duration of the event.

Displays the total time that the device has been powered. The run time is reset to zero when the History is reset.

Provides a means to clear all of the diagnostic events that are stored in the

History

log.

Provides a live signal of the mW reading from the sensor. Also shown on the second line is the calculated flow rate. This is based on the units selected in the

Transducer Block under “USER_UNIT.” This data can be compared against the original calibration document to determine if there has been any change in the configuration. Pressing enters the

Fixed Signal Mode

. When in this mode, pressing the or permits the user to change the signal; the TA2 then calculates the flow which corresponds with this signal. Press to return to the main menu. NOTE: During fixed signal mode the Totalizers will stop operation and the display will show the “In Test Mode” message. The Transducer Block will be taken

Out of Service (OOS).

Displays the temperature difference between the two RTDs.

Displays the current value sent to the heater. This can be compared against an actual reading which can be obtained from connections on the circuit board.

See section 5.3.1.

Displays the maximum temperature which the sensor has recorded.

Displays the current temperature in the electronics enclosure.

Displays the maximum temperature which the electronics have recorded.

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28


DEL

DEL

UP

DN

Min Elec Temp

[min value]

UP

DN

Probe Status to select

UP

DN

DEL

Zero Power Test to test

ENT

DEL

Reset?

[selection]

ENT

DEL

ENT

DEL

ENT

DEL

DEL

UP

DN

Temp Sensor

OK/Shorted/Open

UP

DN

Flow Sensor

OK/Shorted/Open

UP

DN

Probe Heater

OK/Shorted/Open

UP

DN


UP

DN

UP

DN

Delta T Unstable

[temperature]

UP

DN

Amb T Unstable

[temperature]

UP

DN

UP

DN

No

Yes


Diagnostics Menu

DEL

DEL

UP

DN

Delta T Stable

[temperature]

UP

DN

Ambient T Stable

[temperature]

UP

DN

DEL

Low Cal Validate to test

UP

DN

ENT

DEL

DEL

UP

DN

Delta T Unstable

[temperature]

UP

DN

Amb T Unstable

[temperature]

UP

DN

Saved Test DeIT

[temp] [temp]

ENT

DEL

DEL

Save Temp?

[selection]

ENT

DEL

No

Yes

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Min Elect Temp

Probe Status

Zero Power Test

Low Cal Validate

Hi Cal Validate

Explanation

Displays the minimum temperature which the electronics have recorded.

Press to select and then the or arrows to scroll between the Temp

Sensor, Flow Sensor, and Probe Heater. If the probe is operational, the display will show “OK”. If there is a problem with the probe, then the diagnostics will show either “Shorted” or “Open.” Press to return to the main menu.

Diagnostic test. During this test the heater is turned off and the sensor is given time for the sensors to stabilize. The temperature difference between the sensors is displayed. See section 5.3.2 for more information on this test.

The Low Cal Validate and the Hi Cal Validate test will verify that the heat transfer characteristics of the sensor have not changed. This test will verify that the unit is still within calibration. The tests are performed when off-line with the TA2 in air and in a water bath. See section 5.3.3 for more information on this test.

DEL

UP

DN

Hi Cal Validate to test

UP

DN

DEL

ENT

DEL

UP

DN

Delta T Unstable

[temperature]

UP

DN

Amb T Unstable

[temperature]

UP

DN

DEL


UP

DN

Saved Test DeIT

[temp] [temp]

DEL

ENT

DEL

Save Temp?

[selection]

ENT

DEL

No

Yes


Diagnostics Menu (cont)

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3.5.12 Factory Configuration

Factory Config to select

DEL

DEL

DEL

ENT

DEL

UP

DN

Probe Params to select

UP

DN

Cal Parameters A to select

UP

DN

Cal Parameters B to select

UP

DN

Control Params to select

UP

DN

ENT

DEL

ENT

DEL see section 3.5.13

see section 3.5.14

ENT

DEL

ENT

DEL

DEL

DEL

DEL see section 3.5.14

UP

DN

Coeff Ratio

[entered value]

UP

DN

Slope

[entered value]

UP

DN

Power Predictor

[entered value]

UP

DN

Factory Param (1-5)

[entered value]

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

DEL

DEL

DEL

Module Params to select

UP

DN

NSPValue

[entered value]

UP

DN


UP

DN

ENT

DEL

ENT

DEL decimal entry decimal entry decimal entry decimal entry

Heater Calib

Factory configuration only.

decimal entry

If the password timer has expired, [entered value] will display the encrypted value of the password.


Factory Configuration Menu

30


Probe Params

Cal Parameters A

Cal Parameters B

Control Parameters

Module Params

Explanation

Provides the probe calibration parameters—see separate section 3.5.13.

Provides the calibration parameters for Gas A—see separate section 3.5.14.

Provides the calibration parameters for Gas B (if specified) — see separate section 3.5.14.

Factory set parameters which should only be changed under direction of MAGNETROL

Module Parameters—Factory set parameters

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3.5.13 Probe Parameters

These parameters are specific characteristics defining the operation of the probe.

Probe Params to select

ENT

DEL

DEL

DEL

UP

DN

Sensor Type

[selection]

ENT

DEL

TXR

TXS

TXU

TFT

Spare 1

Spare 2

Spare 3

UP

DN

To

[entered value]

UP

DN

Fo

[entered value]

ENT

DEL

ENT

DEL decimal entry decimal entry

UP

DN

DEL

DEL

Probe Temp Calib

[OK/Bad/Calib

Required]

UP

DN


ENT

DEL

DEL

UP

DN

Temp Stabilizing

[lo temp ADC cnt] Temp

UP

DN

Temp Stabilizing

[lo temp ADC cnt] Flow

UP

DN



Probe Parameters

DEL

ENT

Enter Probe Temp

[temp reading]

ENT

DEL decimal entry


Sensor Type

To

Fo

Probe Temp Calib

Explanation

Selects the type of sensor used with the TA2. Various sensors have different methods of calculating the flow rate.

Calibration parameter determined when calibrating the RTDs.

Calibration parameter determined when calibrating the RTDs.

Used during calibration of the RTDs. See section 6.3.

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3.5.14 Calibration Parameters

There are two separate menus for Calibration Parameters titled Cal Parameters A and Cal Parameters B.

These two different sets of Calibration Parameters are used when the TA2 is calibrated on two gases or for two different ranges. If the unit is calibrated for air, then only Calibration Parameter A is used.

If the TA2 is calibrated for a different gas, then the calibration parameters for the specified gas is contained in Cal Parameters A, and the air calibration parameters are contained in Calibration Parameters B.

There is an identical menu structure for Cal Parameters B.

Cal Parameters A to select

ENT

DEL

Calib Table A nn Points

UP

DN

ENT

DEL

DEL

Table A Pt nn Pwr

[entered value]

UP

DN

ENT

ENT

Table A Pt nn Vel

[entered value]

UP

DN

[inc/dec pt #]


Calib Table A nn Points

Gas Parameters

Set Point

Zero Flow Signal

32

Low Flow Cutoff

Calibration Pipe Area

DEL

DEL

DEL

DEL

DEL

DEL

Gas Parameters to select

UP

DN

Set Point

[entered value]

UP

DN

Zero Flow Signal

[entered value]

UP

DN

Low Flow Cutoff

[entered value]

UP

DN

Calib Pipe Area to select

UP

DN


UP

DN

Explanation

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL see page 39 decimal entry decimal entry decimal entry decimal entry



Cal Parameters A /B

Provides actual calibration data points obtained during the calibration.

See Section 3.5.15.

Indicates the temperature difference which the TA2 is attempting to maintain.

This parameter should only be changed under direction of MAGNETROL.

Used to adjust the zero flow data point, if necessary, for application-specific related issues.

See Troubleshooting Section 5.2.

The TA2 will ignore flow rates below this value. This can be changed for application-specific issues. See Troubleshooting Section 5.2.

See Recalibration Section 6.4.

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3.5.15 Gas Parameters

Contains specific information on the gas which are used in the TA2 calculations.

Gas Parameters to select

DEL

DEL

DEL

DEL

DEL

ENT

DEL

UP

DN

Temp Corr TCC-A

[entered value]

UP

DN

Temp Corr TCC-B

[entered value]

UP

DN

Temp Corr TCC-C

[entered value]

UP

DN

Gas Density

[entered value]

UP

DN

Air Equivalency to select

UP

DN


UP

DN

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL decimal entry decimal entry decimal entry decimal entry in chosen units see section 3.5.16



Gas Parameters menu exists for both Gas A and Gas B


TCC-A, TCC-B TCC-C

Gas Density

Air Equivalency

Explanation

Gas-specific factors used for temperature compensation. This parameter should only be changed under direction of MAGNETROL.

Provides the density of the gas at the specified STP (Standard Temperature and Pressure) conditions.

Contains factors for equation which relates the gas flow to the flow of air.

Contact MAGNETROL for factors specific to different gases.

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3.5.16 Air Equivalency Calibration

The Air Equivalency calibrations permits the use of an air calibration and then, using the MAGNETROL historic data base, relate the flow of air to the flow of gas. The equations use a polynomial curve fit.

A fault will occur if the curve fit becomes non-monotonic (signal decreases with increasing flow) which can occur if operating outside the data range. Consult MAGNETROL regarding proper sizing with

Air Equivalency calibrations. The user may contact MAGNETROL to obtain air equivalency factors for various gases. These values should only be used when the TA2 was calibrated on air. If the calibration data in the Calibration Table is for a different gas, the results are invalid.


Enable/Disable

Ag - Eg

Explanation

Enables or Disables the Air Equivalency calculations

Factors in a polynomial equation in the form of A + Bv + Cv 2 + Dv 3 + Ev 4 where v is the mass velocity. Contact MAGNETROL for factors.

Air Equivalency to select

ENT

DEL

DEL

DEL

DEL

DEL

DEL

DEL

UP

DN

Air Equiv Mode

[selection]

UP

DN

Gas Coeff Ag

[entered value]

UP

DN

Gas Coeff Bg

[entered value]

UP

DN

Gas Coeff Cg

[entered value]

UP

DN

Gas Coeff Dg

[entered value]

UP

DN

Gas Coeff Eg

[entered value]

UP

DN


UP

DN

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

ENT

DEL

Disabled

Enabled decimal entry decimal entry decimal entry decimal entry decimal entry



Air Equivalency

Air Equivalency menu exists for both Gas A and Gas B

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4.0

Function Blocks

4.1

Overview

The Model TA2 is a Thermal Mass Flow Meter with nine

F

OUNDATION fieldbus

™

Function Blocks (one Resource Block, one Transducer Block, five Analog Input Blocks, one

PID Block, and one Integrator Block). The idea of Function

Blocks, which a user can customize for a particular application, is a key concept of Fieldbus topology. Function Blocks consist of an algorithm, inputs and outputs, and a userdefined name.

The RESOURCE Block contains specific information on the Enhanced TA2 and firmware.

The TRANSDUCER Block output is available to the network through the ANALOG INPUT blocks.

The ANALOG INPUT Blocks (AI) take the TRANSDUC-

ER Block measured values and makes them available as an analog value to other function blocks. The AI blocks have scaling conversion, filtering, and alarm functions.

The INTEGRATOR Block will accumulate the flow or mass over time providing a value of the Totalized Flow.

The PID Block provides logic for

Proportional/Integral/Derivative control.

4.1.1 universal F


™

Block Parameters

The following are general descriptions of the parameters common to all blocks. Additional information for a given parameter is described later in that specific block section.

ST_REV (static data revision)

: a read only parameter that gives the revision level of the static data associated with the block. This parameter will be incremented each time a static parameter attribute value is written and is a vehicle for tracking changes in static parameter attributes.

TAG_DESC (tag descriptor):

a user assigned parameter that describes the intended application of any given block.

STRATEGY:

a user assigned parameter that identifies groupings of blocks associated with a given network connection or control scheme.

ALERT_KEY:

a user assigned parameter which may be used in sorting alarms or events generated by a block.

MODE_BLK:

a structured parameter composed of the actual mode, the target mode, the permitted mode(s), and the normal mode of operation of a block.

• The actual mode is set by the block during its execution to reflect the mode used during execution.

• The target mode may be set and monitored through the mode parameter.

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• The permitted modes are listed for each block.

• The block must be in an automatic mode for normal operation.

NOTE: The MODE_BLK target parameter must be OOS (out of service) to change configuration and calibration parameters in that function block (when in OOS, the normal algorithm is no longer executed and any outstanding alarms are cleared).

All blocks must be in an operating mode for the device to operate. This requires the Resource Block to be in “AUTO” and the

Transducer Block to be in “AUTO” before the Function Blocks can be placed in a mode other than OOS (out of service).

BLOCK_ERR:

a parameter that reflects the error status of hardware or software components associated with, and directly affecting, the correct operation of a block.

NOTE: A BLOCK_ERR of “Simulation Active” in the Resource Block does not mean simulation is active—it merely indicates that the simulation (hardware) enabling jumper is present.

See section 4.2.2 and 5.1 for further information on the simulation mode.

4.2

Resource Block

The RESOURCE Block contains data specific to the

Enhanced Model TA2 transmitter, along with some information about the firmware.

NOTE: The Resource Block has no control function.

MODE_BLK:

Must be in AUTO in order for the remaining blocks in the transmitter to operate.

NOTE: A Resource Block in “out of service” mode will stop all function block execution in the transmitter.

RS_STATE (Resource State):

identifies the state of the

RESOURCE Block state machine. Under normal operating conditions, it should be “On-Line.”

TEST_RW:

Read/Write test parameter used for conformance testing.

DD_RESOURCE:

a string identifying the tag of the resource that contains the Device Description for this device.

MANUFAC_ID:

contains the MAGNETROL INTERNA-

TIONAL F

OUNDATION fieldbus ™ manufacturer’s ID number, which is 0x000156.

DEV_TYPE:

the model number of the THERMATEL

Enhanced Model TA2 transmitter (0x0004). It is used by interface devices to locate the Device Descriptor (DD) file for this product.

DEV_REV:

contains the device revision of the

THERMATEL Enhanced Model TA2 transmitter. It is used by interface devices to correctly select the associated DD.

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DD_REV:

contains the revision of the DD associated with the version of firmware in the THERMATEL Enhanced

Model TA2 transmitter. It is used by interface devices to correctly select the associated DD.

GRANT_DENY:

Options for access to parameters by DCS.

HARD_TYPES:

Types of hardware available as channels.

RESTART:

Default and Processor selections are available.

Default will reset the Model TA2 to the established block configuration.

NOTE: As RESTART DEFAULT will set

most

block configuration parameters to their default values. Devices need to be reconfigured following activation of this function.

FEATURES:

a list of the features available in the transmitter. The Model TA2 features include Reports, and Soft

Write Lock.

FEATURES_SEL:

allows the user to turn Features on or off.

CYCLE_TYPE:

identifies the block execution methods that are available.

CYCLE_SEL:

allows the user to select the block execution method.

MIN_CYCLE_T:

the time duration of the shortest cycle interval. It puts a lower limit on the scheduling of the resource.

MEMORY_SIZE:

Size of available memory in K bytes.

NV_CYCLE_T:

the minimum time interval between copies of non-volatile (NV) parameters to NV memory. NV memory is only updated if there has been a significant change in the dynamic value and the last value saved will be available for the restart procedure. A value of “0” means it will never be automatically copied. Entries made by human interface devices to NV parameters are copied to non-volatile memory at the time of entry.

NOTE: After completing a large copy, allow several seconds before removing power from the THERMATEL Enhanced Model TA2 transmitter to ensure that all data has been saved.

FREE_SPACE:

shows the amount of available memory for further configuration. The value is zero percent in a preconfigured device.

FREE_TIME:

the amount of the block processing time that is free to process additional blocks.

SHED_RCAS:

the time duration at which to give up computer writes to function block RCas locations. Shed from

RCas will never happen when SHED_RCAS = 0.

SHED_ROUT:

the time duration at which to give up computer writes to function block ROut locations. Shed from

ROut will never happen when SHED_ROUT = 0.

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FAULT_STATE, SET_FSTATE, CLR_FSTATE:

these only apply to output function blocks. (The Model TA2 has no output function blocks).

MAX_NOTIFY:

the maximum number of alert reports that the transmitter can send without getting a confirmation.

The user can set the number low, to control alert flooding, by adjusting the LIM_NOTIFY parameter value.

LIM_NOTIFY:

the maximum numbers of unconfirmed alert notify messages allowed. No alerts are reported if set to zero.

CONFIRM_TIME:

the time that the transmitter will wait for confirmation of receipt of a report before trying again.

Retry will not occur if CONFIRM_TIME = 0.

WRITE_LOCK:

When set to LOCKED, will prevent any external change to the static or non-volatile data base in the

Function Block Application of the transmitter. Block connections and calculation results will proceed normally, but the configuration will be locked.

UPDATE_EVT (Update Event):

is an alert generated by a write to the static data in the block.

BLOCK_ALM (Block Alarm):

is used for configuration, hardware, connection, or system problems in the block. The cause of any specific alert is entered in the subcode field.

The first alert to become active will set the Active status in the Status attribute. As soon as the Unreported status is cleared by the alert reporting task, another block alert may be reported without clearing the Active status, if the subcode has changed.

ALARM_SUM (Alarm Summary):

contains the current alert status, the unacknowledged states, the unreported states, and the disabled states of the alarms associated with the block.

ACK_OPTION (Acknowledge Option):

selects whether alarms associated with the block will be automatically acknowledged.

WRITE_PRI (Write Priority):

the priority of the alarm generated by clearing the write lock.

WRITE ALM (Write Alarm):

the alert generated if the write lock parameter is cleared.

ITK_VER (ITK Version):

contains the version of the

Interoperability Test Kit (ITK) used by the Fieldbus

Foundation during their interoperability testing.

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4.2.1 Additional Resource Block Parameters

Field Diagnostic Parameters

FD_VER:

Major version of the Field Diagnostic specification to which this device conforms.

FD_FAIL_ACTIVE:

For error conditions that have been selected for the FAIL alarm category, this parameter reflects those that have been detected as active.

FD_OFFSPEC_ACTIVE:

For error conditions that have been selected for the OFFSPEC alarm category, this parameter reflects those that have been detected as active.

FD_MAINT_ACTIVE:

For error conditions that have been selected for the MAINT alarm category, this parameter reflects those that have been detected as active.

FD_CHECK_ACTIVE:

For error conditions that have been selected for the CHECK alarm category, this parameter reflects those that have been detected as active.

FD_FAIL_MAP:

maps conditions to be detected as active for the FAIL alarm category.

FD_OFFSPEC_MAP:

maps conditions to be detected as active for the OFFSPEC alarm category.

FD_MAINT_MAP:

maps conditions to be detected as active for the MAINT alarm category.

FD_CHECK_MAP:

maps conditions to be detected as active for the CHECK alarm category.

FD_FAIL_MASK:

used to suppress an alarm from being broadcast for single or multiple conditions that are active in the FAIL alarm category.

FD_OFFSPEC_MASK:

used to suppress an alarm from being broadcast for single or multiple conditions that are active in the OFFSPEC alarm category.

FD_MAINT_MASK:

used to suppress an alarm from being broadcast for single or multiple conditions that are active in the MAINT alarm category.

FD_CHECK_MASK:

used to suppress an alarm from being broadcast for single or multiple conditions that are active in the CHECK alarm category.

FD_FAIL_ALM:

used to broadcast a change in the associated active conditions, which are not masked, for the FAIL alarm category.

FD_OFFSPEC_ALM:

used to broadcast a change in the associated active conditions, which are not masked, for the

OFFSPEC alarm category.

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FD_MAINT_ALM:


MAINT alarm category.

FD_CHECK_ALM:


CHECK alarm category.

FD_FAIL_PRI:

specifies the priority of the FAIL alarm category.

FD_OFFSPEC_PRI:

specifies the priority of the OFF-

SPEC alarm category.

FD_MAINT_PRI:

specifies the priority of the MAINT alarm category.

FD_CHECK_PRI:

specifies the priority of the CHECK alarm category.

FD_SIMULATE:

Diagnostic conditions can be manually supplied when simulation is enabled.

FD_RECOMMEN_ACT:

Describes what actions can be taken to address an active diagnostic condition.

4.2.2 Manufacturer-Specific Parameters

SOFT_SIMULATION_DISABLE:

if set to yes, enabling the simulation is disallowed regardless of the presence of the simulation jumper, and the “simulation” indicator will be cleared in the Block Error parameter. If set to no, simulation can only be enabled if the simulation jumper is present which also sets the “simulation” indicator in the Block Error parameter.

See section 5.1 for further information on the simulation feature.

FIRMWARE_VERSION:

read-only parameter that corresponds to “Firmware Version” in the Transducer Block.

SERIAL_NUMBER:

read-only parameter that corresponds to “MAGNETROL Serial Number” in the Transducer Block.

RB_LOCAL_TAG:

read-only parameter that corresponds to “Local Tag” in the Transducer Block.

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4.3

Transducer Block

The TRANSDUCER Block is a custom block containing parameters that support the Model TA2 Thermal Mass Flow

Meter. It contains the TA2 transmitter configuration, diagnostics, and calibration data. Output from the Transducer Block is process variables and status information.

The TRANSDUCER Block parameters are grouped in a useful configuration. There are both read-only parameters and read-write parameters within the TRANSDUCER Block.

• The read-only parameters report the block status and operation modes.

• The read-write parameters affect the function block basic operation, transmitter operation, and calibration.

The Transducer Block will automatically be changed to

“Out of Service” when the local interface (keypad) is used to change a parameter online. The Transducer Block must be placed back in service from the Host system.

4.3.1 Transducer Block Parameters

The first six parameters in the TRANSDUCER Block are the universal parameters discussed in section 4.1.1. After the universal parameters, six additional parameters are required for Transducer Blocks. The most notable of these parameters are

UPDATE_EVT

and

BLOCK_ALM

. It should be noted that these six additional parameters must exist but do not have to be implemented.

An important device-specific parameter found later in the

TRANSDUCER Block list is

DEVICE_STATUS

, which displays the status of the device. If more than one message exists, then the messages are displayed in priority order.

If

DEVICE_STATUS

indicates a problem, refer to

Section 5.2, Troubleshooting.

For a complete list of Transducer Block Parameters, refer to table in the Appendix A - Transducer Block Parameters.

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4.4

Analog Input Block

The ANALOG INPUT (AI) Block takes the THERMATEL

Model TA2 input data, selected by channel number, and makes it available to other function blocks at its output:

Channel Process Value

1

2

3

Flow

Mass

Process Temperature

4

5

R. Totalizer

NR. Totalizer

4.4.1 AI Block Parameters

PV:

The primary measurement value for use in executing the function.

OUT:

The primary value calculated as a result of executing the function block.

SIMULATE:

Allows the transducer analog input or output to the block to be manually supplied when simulate is enabled. When simulate is disabled, the simulate value and status track the actual value and status

XD_SCALE:

The high and low scale values, engineering units code, and number of digits to the right of the decimal point used with the value obtained from the transducer for a specified channel.

OUT_SCALE:

The high and low scale values, engineering units code, and number of digits to the right of the decimal point to be used in displaying the OUT parameter.

GRANT_DENY:

Options for controlling access of host computers and local control panels to operating, tuning, and alarm parameters of the block.

IO_OPTS:

Option which the user may select to alter input and output block processing.

STATUS_OPTS:

Options which the user may select in the block processing of status.

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CHANNEL:

The number of the logical hardware channel that is connected to this I/O block. This information defines the transducer to be used going to or from the physical world.

L_TYPE:

Determines if the values passed by the Transducer

Block to the AI block may be used directly (Direct) or if the value is in different units and must be converted linearly

(Indirect), or with square root (Ind Sqr Root), using the input range defined for the transducer and the associated output range.

LOW_CUT:

Limit used in square root processing.

PV_FTIME:

Time constant of a single exponential filter for the PV, in seconds.

FIELD_VAL:

Raw value of the field device in % of PV range, with a status reflecting the Transducer condition, before signal characterization (L_TYPE) or filtering

(PV_FTIME).

UPDATE_EVT:

This alert is generated by any change to the static data.

BLOCK_ALM:

The block alarm is used for all configuration, hardware, connection failure or system problems in the block.

ALARM_SUM:

The current alert status, unacknowledged states, unreported states, and disabled states of the alarms associated with the function block.

ACK_OPTION:

Selection of whether alarms associated with the function block will be automatically acknowledged.

ALARM_HYS:

Amount the PV must return within the alarm limits before the alarm condition clears. Alarm hysteresis expressed as a percent of the span of the PV.

HI_HI_PRI:

Priority of the high high alarm.

HI_HI_LIM:

The setting for high high alarm in engineering units.

HI_PRI:

Priority of the high alarm.

HI_LIM:

The setting for high alarm in engineering units

LO_PRI:

Priority of the low alarm.

LO_LIM:

The setting for low alarm in engineering units.

LO_LO_PRI:

Priority of the low low alarm.

LO_LO_LIM:

The setting for low low alarm in engineering units.

HI_HI_ALM:

The status for high high alarm and its associated time stamp.

HI_ALM:

Status for high alarm and associated time stamp.

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44

LO_ALM:

Status for low alarm and associated time stamp.

LO_LO_ALM:

The status for low low alarm and its associated time stamp.

The TRANSDUCER and AI Block’s MODE_BLK parameter must be set to AUTO to pass the PV Value through the

AI to the network.

Transducer scaling, called XD_SCALE, is applied to the

PV from the CHANNEL to produce the FIELD_VAL in percent. Selection of valid XD_SCALE engineering units is limited to predefined units of measurement which is dependent on what channel is selected in the AI Block. Options include SCFM, SCFH, MMSCFD, Nm

3

/h, Nl/h, lb/h, lb/min, kg/h, kg/min, °F, °C, SCF, kg, lb, Nm3, and Nl.

The AI blocks can have a BLOCK_ERR when:

1. Channel is not set correctly.

2. XD_SCALE does not have suitable engineering units or has range incompatibility.

3. SIMULATE parameter is active

4. AI Block MODE is O/S (out of service).

NOTE: This can be caused by the Resource Block being OOS or the AI

Block not scheduled for execution.

5. L-TYPE not set or set to Direct with improper

OUT_SCALE.

The AI Block uses the STATUS_OPTS setting and the

TRANSDUCER PV LIMIT value to modify the AI PV and OUT QUALITY.

Damping Filter is a feature of the AI Block. The PV_FTIME parameter is a time constant of a single exponential filter for the PV, in seconds. This parameter can be used to dampen out fluctuation.

The AI Block has multiple ALARM functions that monitor the OUT parameter for out of bound conditions.

4.5

PID Block

The PID Function Block contains the logic necessary to perform Proportional/Integral/Derivative (PID) control. The block provides filtering, set point limits and rate limits, feedforward support, output limits, error alarms, and mode shedding.

Although most other function blocks perform functions specific to the associated device, the PID Block may reside in any device on the network. This includes a valve, a transmitter, or the host itself.

The Enhanced Model TA2 PID Block implementation follows the specifications documented by the Fieldbus Foundation.

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4.5.1 PId Block Parameters

ACK_OPTION:

Used to set auto acknowledgement of alarms.

ALARM_HYS:

The amount the alarm value must return to before the associated active alarm condition clears.

ALARM_SUM:

The summary alarm is used for all process alarms in the block.

ALERT_KEY:

The identification number of the plant unit.

BAL_TIME:

The specified time for the internal working value of bias to return to the operator set bias.

BKCAL_HYS:

The amount the output must change away from its output limit before the limit status is turned off, expressed as a percent of the span of the output.

BKCAL_IN:

The analog input value and status for another blocks BKCAL_OUT output.

BKCAL_OUT:

The value and status required by the

BKCAL_IN input for another block.

BLOCK_ALM:

Used for all configuration, hardware, connection failure, or system problems in the block.

BLOCK_ERR:

Reflects the error status associated with the hardware or software components associated with a block.

BYPASS:

Used to override the calculation of the block.

CAS_IN:

The remote setpoint value from another block.

CONTROL_OPTS:

Allows one to specify control strategy options.

DV_HI_ALM:

The DV HI alarm data.

DV_HI_LIM:

The setting for the alarm limit used to detect the deviation high alarm condition.

DV_HI_PRI:

The priority of the deviation high alarm.

DV_LO_ALM:

The DV LO alarm data.

DV_LO_LIM:

The setting for the alarm limit used to detect the deviation low alarm condition.

DV_LO_PRI:

The priority of the deviation low alarm.

FF_GAIN:

The feedforward gain value.

FF_SCALE:

The high and low scale values associated with

FF_VAL.

FF_VAL:

The feedforward control input value and status.

GAIN:

The proportional gain value. This value cannot equal zero.

GRANT_DENY:

Options for controlling access of host computers to alarm parameters of the block.

HI_ALM:

The HI alarm data.

HI_HI_ALM:

The HI HI alarm data.

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4.5.1 PId Block Parameters (cont.)

HI_HI_LIM:

The setting for the alarm limit used to detect the HI HI alarm condition.

HI_HI_PRI:

The priority of the HI HI Alarm.

HI_LIM:

The setting for the alarm limit used to detect the

HI alarm condition.

HI_PRI:

The priority of the HI alarm.

IN:

The connection for the PV input from another block.

LO_ALM:

The LO alarm data.

LO_LIM:

The setting for the alarm limit used t detect the

LO alarm condition.

LO_LO_ALM:

The LO LO alarm data.

LO_LO_LIM:

The setting for the alarm limit used to detect the LO LO alarm condition.

LO_LO_PRI:

The priority of the LO LO alarm.

LO_PRI:

The priority of the LO alarm.

MODE_BLK:

The actual, target, permitted, and normal modes of the block.

OUT:

The output value of the PID block.

OUT_HI_LIM:

The maximum output value allowed.

OUT_LO_LIM:

The minimum output value allowed.

OUT_SCALE:

The high and low scale values associated with OUT.

PV:

The process variable use in block execution.

PV_FTIME:

The time constant of the first order PV filter.

PV_SCALE:

The high and low scale values associated with PV.

RATE:

The derivative action time constant.

RCAS_IN:

Target setpoint and status that is provided by a supervisory host.

RCAS_OUT:

Block setpoint and status that is provided to a supervisory host.

RESET:

The integral action time constant.

ROUT_IN:

Block output that is provided by a supervisory host.

ROUT_OUT:

Block output that is provided to a supervisory host.

SHED_OPT:

Defines action to be taken on remote control device timeout.

SP:

The target block setpoint value.

SP_HI_LIM:

The highest SP value allowed.

SP_LO_LIM:

The lowest SP value allowed.

SP_RATE_DN:

Ramp rate for downward SP changes.

SP_RATE_UP:

Ramp rate for upward SP changes.

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4.5.1 PId Block Parameters (cont.)

STATUS_OPTS:

Allows one to select options for status handling and processing.

STRATEGY:

Can be used to identify grouping of blocks.

ST_REV:

The revision level of the static data associated with the function block.

TAG_DESC:

The user description of the intended application of the block.

TRK_IN_D:

Discrete input that initiates external tracking.

TRK_SCALE:

The high and low scale values associated with TRK_VAL.

TRK_VAL:

The value applied to OUT in LO mode.

UPDATE_EVT:

This alert is generated by any changes to the static data.

4.6

Integrator Block

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The Integrator Function Block integrates an analog value as a function of the time. The block may be used as a totalizer that counts up until reset, or as a batch totalizer that has a setpoint. When used as a batch totalizer, the integrated value is compared to pre-trip and trip settings to generate discrete signals when these settings are reached. The

Integrator Block has two inputs, and can only get an input value from another function block, typically an Analog

Input Block. It cannot get an input value directly from the

Transducer Block.

The Integrator Block and internal totalizer are independent and may have different values. The difference can occur due to different sample times or different reset times.

A simple configuration for the Fieldbus Model TA2 might be as follows:

• AI Block is configured with channel set to Flow.

XD_SCALE, OUT_SCALE, and L_TYPE parameters are set appropriately so that the AI Out value is flow in SCFM.

• IT Block is configured as follows:

• Set Units Index in OUTPUT_RANGE to SCF.

• Select “minutes” for TIME_UNIT1 which corresponds to the rate time unit of the AI Out value.

• Select “Demand” for INTEG_TYPE (Count up and is reset on demand; totalizer set point and trip outputs are not used).

• Select “Flow forward” for INTEG_OPT.

• GOOD_LIM set to 90 %.

• UNCERT_LIM set to 75 %.

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48

• Using a Configuration Tool, the OUT value from the

AI Block is connected to IN_1 of the Integrator Block, and both function blocks are then scheduled for execution.

• If successful, the function blocks can go into service if the Resource Block is in service.

Note that the Totalized value in the Integrator Block is saved in non-volatile memory every 60 seconds. In the event that the power is lost, the maximum totalized value lost would correspond to one minute of flow. Also, the IT

Out value will be available for display on the local user interface similar to the AI Out Values.

4.6.1 Integrator Block Parameters

BLOCK_ALM:

Used for all configuration, hardware, connection failure, or system problems in the block.

CLOCK_PER:

Establishes the period for periodic reset in seconds.

GOOD_LIM:

Sets the good limit for PCT_INCL; i.e. if

PCT_INCL ≥ GOOD_LIM, the status of OUT is set to good.

GRANT_DENY:

Options for controlling access of host computer and local control panels to operating, tuning, and alarm parameters of the block.

IN_1:

Input 1 value to the block.

IN_2:

Input 2 value to the block.

INTEG_OPTS:

Used to configure the type of input (rate or accum.) used in each input, the flow direction to be considered in the totalization, the status to be considered in

TOTAL, and if the totalization residual value beyond the trip value shall be carried over to the next batch for

INTEG_TYPE = UP_AUTO or DN_AUTO.

INTEG_TYPE:

Defines the type of counting (up or down) and the type of resetting (demand or periodic).

N_RESET:

Counts the number of resets.

OP_CMD_INT:

Operator Command to reset the totalizer.

OUT:

: The output (TOTAL) value of the Integrator Block.

OUT_PTRIP:

Second discrete output.

OUT_RANGE:

The display scaling for the corresponding output. It has no effect on the block.

OUT_TRIP:

First discrete output.

OUTAGE_LIM:

The maximum tolerated duration for power failure.

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PCT_INCL:

Indicates the percentage of inputs with “good” status compared to the ones with “bad” status, or “bad” and

“uncertain” status.

PRE_TRIP:

Sets the value that should set OUT_PTRIP; i.e. OUT_PTRIP is set when the integration reaches

(TOTAL_SP - PRE-TRIP) when counting up, or the integration reaches PRE-TRIP when counting down.

PULSE_VAL1:

Determines the mass, volume, or energy per pulse on Input 1 (used when accumulating the counts from a Pulse Input Block).

PULSE_VAL2:

Determines the mass, volume, or energy per pulse on Input 2 (used when accumulating the counts from a Pulse Input Block).

RESET_CONFIRM:

Momentary discrete value which can be written by a host to enable further resets, if the option

Confirm Reset is selected in INTEG_OPTS.

RESET_IN:

Input to function block to reset the totalizers.

REV_FLOW1:

Input to function block indicates reverse flow on Input 1 when true.

REV_FLOW2:

Input to function block indicates reverse flow on Input 2 when true.

RTOTAL:

Indicates the totalization of inputs with “bad” status, or “bad” and “uncertain” status, according to

INTEG_OPTS.

SRTOTAL:

A copy of RTOTAL just before a reset.

SSP:

A copy of TOTAL_SP.

STATUS_OPTS:

Options which the user may select in block processing of status.

STOTAL:

A copy of OUT just before a reset.

TIME_UNIT1:

The rate time unit of Input 1 for conversion to rate per second.

TIME_UNIT2:

The rate time unit of Input 2 for conversion to rate per second.

TOTAL_SP:

Set point for batch totalization.

UNCERT_LIM:

Sets the uncertain limit for PCT_INCL; i.e. if PCT_INCL ≥ UNCERT_LIM, the status of OUT is set to uncertain.

UNIT_CONV:

Factor to convert the engineering units of

Input 2 into the engineering units of input 1 when integrating two inputs.

UPDATE_EVT:

This alert is generated by any changes to the static data.

49

AI Block #

AI Block Channel

Process Value

* AI# Out-mmmm *

#########uuuuu

Out Value

Out Scale units abbreviation

Figure 11

* AI1 Out-Flow *

10.0 %

* AI5 Out - - - - *

* AI1 Out-Mass *

20.0 lb/min

* AI4 Out-NRTot *

10000 lb

Figure 12

4.7

Local Display of Function Block Values

* AI2 Out-Temp *

50.00 °C

* IT Out *

10000 SCF

The LCD and keypad on the Model TA2 Foundation

Fieldbus transmitter provides access to read or change the

Transducer Block parameters. In addition the TA2 permits the display of the devices Analog Input [AI] Block and the

Integrator [IT] Block output values on the local LCD under

Measured Values. These values can be displayed on the rotating display — see section 3.5.5.

A list of the Analog Input Block Process values is shown in section 4.4.

Typical display of the Analog Output values is shown in figure 11.

The screens will be formatted as shown, where # in the title is the number of the AI Block (1, 2, 3, 4, or 5) and mmmm is one of: “Flow”, “Mass”, “Temp”, “NRTot”, “RTot”, “----” depending on the value of the associated AI Block’s Channel parameter.

• For example, “AI1 Out-Flow” will probably be the most commonly used AI Out screen

• “AI2 Out----” would be displayed when the channel value is 0 [uninitialized] for AI Block 2.

Additional representative examples are shown in figure 12.

There may be differences in the AI value in the Analog

Input Block and the IT value in the Integrator Block compared to the values shown on the TA2 display. Primary reason for this difference is the time when the data was acquired.

In order to provide indication that the Function Block is not executing and/or to avoid displaying a possibly stale value, the second row will be blank if the Block Error parameter in a configured Function Block is indicating Out

Of Service, a block configuration error, or input failure. The second row on an AI Out screen or IT Out will also be blank if the unit has not been assigned a permanent address, or if the associated Function Block has not been configured and scheduled for execution.

The Out Scale units abbreviations will be displayed only when the Output Scale Units Abbreviation is “%” or one of the flow, mass, temperature, or totalizer units supported for local display.

50

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5.0

Diagnostic Parameters

The Model TA2 measurement engine runs through a series of self-tests and will detect and report faulty operation.

The TRANSDUCER BLOCK displays these faults in the

DEVICE_STATUS parameter. Refer to Section 5.2.1.4 for more information on specific faults and warnings.

BLOCK_ERROR is not used except for indicating Out of

Service (OOS).

When the Model TA2 is initially powered on, the measurement engine does not have enough valid measurement cycles to make a decision about the output value. For the first few seconds after power is applied, the FLOW_STATUS/QUALITY is “Uncertain,” the SUB_STATUS is “Initial value,” and the

LIMIT attribute is “Constant.”

When the Model TA2 is operating properly, the

FLOW_STATUS/QUALITY is shown as “GOOD,” and the SUB_STATUS is “Non-Specific.”

While changing the transmitter operational parameters using the local display or through the system configuration tool (with the MODE_BLK in OOS), the output might be inaccurate because of the changing parameters. When the device is set to

OOS, the TRANSDUCER BLOCK will still output flow but the QUALITY will be shown as “Bad” and the SUB_STATUS is “Out of Service.”

When the Enhanced Model TA2 measurement cycle fails to find a valid output value, the transmitter maintains the last good value as the output and flags the failure. The LIMIT attribute is the same as the last good measurement.

If the Model TA2 fails to find a measurable signal, the

TRANSDUCER BLOCK maintains the last good value as the output and flags the failure. The QUALITY is “Bad,” the SUB_STATUS is “Sensor failure” for no flow (or

“Device failure.”

Refer to Section 5.2.1.4 for additional information.

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52

Q1

J1

U3

P3

U1

J2

J3

U20

U21

U24

U4

R90

R101

J3 Simulation Jumper

Figure 13

5.1

Simulation Feature

The THERMATEL Model TA2 with F

OUNDATION fieldbus

™ supports the Simulate feature in the Analog Input Block.

The Simulate feature is typically used to exercise the operation of an AI block by simulating a TRANSDUCER block input.

This feature cannot be activated without the placement of a hardware jumper. Normally, the THERMATEL Model TA2 will ship with the hardware jumper placed so that the

Simulation Feature is disabled. See section 5.1.1 for instructions about accessing the Simulation jumper.

5.1.1 Accessing the Simulation Jumper

To access the simulation jumper:

1. Remove the cover to the electronics display.

2. Remove the display module by removing the two retaining screws.

3. To enable simulation, place jumper at J3 across the two pins.To disable simulation, place jumper at J3 on one pin only.

NOTE: Do not remove the jumper at position J2. The J2 jumper is used in a diagnostic test; see section 5.3.1.

4. Reassemble the display module and cover.

NOTE: A BLOCK_ERR of “Simulation Active” in the Resource Block does not mean simulation is active—it merely indicates that the simulation (hardware) jumper is placed to enable simulation. See section 4.2.2 for instructions to mask this block error.

5.2

Troubleshooting

The TA2 Thermal Mass Flow Meter is designed for ease of use and trouble-free operation. The TA2 is shipped pre-calibrated and pre-configured based on information provided at time of order.

The following lists possible problems and solutions to investigate.

WARNING!

Explosion hazard. Do not remove the TA2 housing cover unless power has been switched off or the area is known to be non-hazardous.

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5.2

Troubleshooting (cont.)

Symptom

No Output signal

No Display

Totalizer not operating

Flow is measured under a no flow condition

Flow Rate too high or too low

Flow Rate too high

Flow Rate too high, output spiking

Problem

No input power

Totalizer is Disabled

Increased heat transfer.

This can occur under no flow with increased pressure.

Instrument configuration does not match actual application

Buildup on sensor

Flow Profile

Considerations

Moisture in the Gas

Solution

Verify that LED D6 on the input wiring board is on. If not, check wiring connections.

Check F1 test and F2 test to check fuses protecting input wiring. See Figure 8.

Ensure that the totalizer operation is enabled. See section 3.5.8.

Increase the low flow cutoff to a value greater than the displayed flow rate.

The TA2 will ignore readings lower than this value. Optionally, increase the zero flow signal to match the value indicated under Signal Value. See section 3.5.14.

Check values entered for Flow Area under

Basic Configuration. Check if Install Factors are entered under Advanced Configuration.

Check STP conditions under Advanced

Configuration.

Depending on type and size of buildup, flow readings may either increase or decrease. Clean sensor.

The TA2 assumes a specific fully developed flow profile. User can correct for variations in flow profile using the Install

Factors found under Advanced

Configuration section 3.5.9.

Condensed moisture will cool the sensor more than gas flow. This will temporarily indicate a higher than expected flow rate.

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5.2.1 Error Messages

The TA2 Mass Flow Meter utilizes a 3-level hierarchy for reporting diagnostics information: FAULTS, WARNINGS, and INFORMATION. Faults and Warnings can be reviewed on the rotating screen in the Home menu. These screens capture only current conditions. Historic diagnostic information can be viewed in the HISTORY screen of the

Diagnostics Menu.

FAULT

: The highest level in the hierarchy of diagnostics.

A Fault indicates a defect or failure in the circuitry or software, or a calibration condition that makes reliable measurement impossible. Further error information can be obtained by reviewing the Diagnostic Menu screens.

WARNING

: This is the second level in the hierarchy of diagnostics. A Warning indicates conditions that are not fatal but may affect the measurement. A message will appear on the Home (rotating) screen when a Warning is detected but will not affect the output current. Further error information can be obtained by reviewing the

Diagnostic Menu screens.

INFORMATION

: This is the lowest level in the hierarchy of diagnostics. Information messages are for conditions that provide operational factors that are not critical to the measurement. Further error information can be obtained by reviewing the Diagnostics Menu.

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5.2.1.1 Fault Messages

diagnostic

Non-Volatile

Memory corruption

No signal from Probe

Temperature Sensor

Failure

Temperature Sensor

Failure

Flow Sensor Failure

Flow Sensor Failure

RTDs Reversed

Heater Shorted

Heater Open

Zero Flow Signal is too high

Too Few

Calibration Points

Air Equivalency

Coefficients incorrect

Install Factors incorrect

Module Failure

Velocity is greater than the Upper Sensor Limit

Fault description/Corrective Action

Partial corruption of the Non-Volatile memory stored in the EEPROM. Data may revert to Default conditions.

Re-verify that all calibration and configuration factors in the TA2 match the calibration certificate.

There is no signal from the sensor. Check the wiring between the probe and the electronics.

A short has occured in the RTD measuring the process temperature or in the interconnecting wiring (if remote electronics). Check wiring to the probe.

There is an open circuit in the RTD measuring the process temperature or in the interconnecting wiring

(if remote electronics). Check wiring to the probe.

A short has occured in the RTD measuring the heated sensor or in the interconnecting wiring


There is an open circuit in the RTDs measuring the heated sensor or in the interconnecting wiring


The wiring connecting the RTDs is reversed.

Check probe wiring or interconnecting cable

(if remote electronics)

The heater has developed a short either in the probe or in the interconnecting cable (if remote electronics).

Check probe wiring.

There is an open circuit in the wiring going to the heater.

Check wiring. Also, check if the two-pin jumper is missing.

See section 5.3.1.

Zero Flow Signal (power) is greater than second data point in the Calibration Table. Check value entered under Factory Config/Cal Parameters/Zero Flow Signal.

The calibration table does not contain sufficient number of data points for the flow range. Minimum of ten points is required.

The Air Equivalency factors used result in a nonmonotonically increasing curve over the operating range.

Check factors.

Install factors entered under Advanced Configuration result in a non-monotonically increasing curve.

Check factors.

No readings received from the ADCs, or the values out of range. Indicates failure of Analog to Digital converters.

Requires replacement of processor board or return of unit to factory.

The velocity is greater than established values.

Contact MAGNETROL.

LCd Message

Default Params

No Probe Signals

TempSnsr Shorted

Temp Sensor Open

FlowSnsr Shorted

Flow Sensor Open

RTDs Reversed

Heater Shorted

Heater Open

ZFS Too High

Too Few Cal Pts

Air Equiv Coeffs

User Coeffs

Module Failure

Vel > UprSnsrLmt

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5.2.1.2 Warning Messages

diagnostic

Initializing

TA2 is running diagnostics test

Velocity too high

RTD drift

Totalizer Error

Temperature Limit

Exceeded

Install Factor Error

Electronic Temperature

Exceeded

Warning description

Initialization in progress. The TA2 will begin making flow readings at completion of cycle.

The operator has put the TA2 into one of several diagnostics tests.

The Flow rate exceeds the calibration range of the instrument.

Instrument will continue to operate. Accuracy is uncertain; flow measurements will be repeatable.

The RTD drive circuit current has drifted since last calibration.

The drift is outside expected range. The TA2 has compensated for the drift, continued drift may affect accuracy. Repeatability will remain.

There is an error in the Totalizer operation—the Totalizer and

Elapsed Time indicator are reset to 0.

The temperature measured by the sensor exceeds the rated temperature. Continued operation will damage sensor.

Check and recalculate the install factors. This message may occur if the units of measurement were changed after install factors were entered.

The temperature of the microprocessor board is above +80 °C

(+176 °F) or below -40 °C (-40 °F)

LCd Message

Initializing

In Test Mode

Vel > Upr Cal Pt

RTD Drive Ckt

Dflt Totalizer

Process Temp Hi

Check Inst Factors

Elec Temp Hi

Elec Temp Lo

5.2.1.3 Information Message

diagnostic

System Warning

Information description

Non-fatal firmware exception. Advise MAGNETROL with system code number.

LCd Message

System Code

56

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5.2.1.4 Device Status Parameter in the Transducer Block

The following table lists the conditions indicated in the Device

Status parameter. It also shows how the conditions affect

PV Quality, Sub-Status and Limit. XD ERROR and

BLOCK ALARM are not affected by these conditions directly.

Type

Mode

device Status

Label Bit # Value

Config Changed 6 0x00000040

Fault Default Params 31 0x80000000

Fault No Probe Signals 29 0x20000000

Fault

Temp Sensor Shorted

28 0x10000000

Fault

Fault

Temp Sensor Open

Flow Sensor Shorted

27

26

0x08000000

0x04000000

Quality

Bad

Bad

Bad

Bad

Fault Flow Sensor Open 25 0x02000000

Fault RTDS Reversed 24 0x01000000

Fault

Fault

Fault

Fault

Heater Shorted

Heater Open

ZFS Too High

Too Few Cal Pts

23

22

21

20

0x00800000

0x00400000

0x00200000

0x00100000

Fault

Fault

Air Equiv Coeffs

User Coeffs

19

18

0x00080000

0x00040000

Fault Module Failure 17 0x00020000

Fault Vel > UprSnsrLmt 16 0x00010000

Bad

Bad

Bad

Bad

Warning

Warning

Initializing

In Test Mode

15 0x00008000 Uncertain

13 0x00002000 Bad

Warning Vel > UprCalPt 12 0x00001000 Good

Warning Vel < LowFlowLmt 11 0x00000800 Good

Warning RTD Drive Circuit 10 0x00000400 Good

Warning Default Totalizer 9 0x00000200

Bad

➀

Warning Process Temp High 4 0x00000010 Good

Warning

Check Install Factors

3 0x00000008 Bad

Warning Elec Temp High 2 0x00000004 Good

Bad

Bad

Bad

Bad

Bad

Bad

Bad

Bad

Process Variable Status

PV Sub Status

OOS

Limit

Not Limited

Configuration Error

Sensor Failure

Sensor Failure

Not Limited

Constant Limited

Constant Limited

Sensor Failure

Sensor Failure

Sensor Failure

Sensor Failure

Sensor Failure

Sensor Failure

Configuration Error

Configuration Error

Constant Limited

Constant Limited

Constant Limited

Constant Limited

Constant Limited

Constant Limited

Not Limited

Not Limited

Configuration Error

Configuration Error

Device Failure

Non-Specific

Initial Value

OOS

Non-Specific

Non-Specific

Non-Specific

Configuration Error

Non-Specific

Configuration Error

Non-Specific

Not Limited

Not Limited

Constant Limited

High Limited

Constant Limited

Not Limited

Not Limited

Low Limited

Not Limited

Not Limited

Not Limited

Not Limited

Not Limited

Warning Elec Temp Low 1 0x00000002 Good

➀

For the Default Totalizer Warning,

PV Status is bad only if the PV is

R Totalizer or NR Totalizer. If the

Non-Specific Not Limited

If everything is running normally and there are no Faults or

Warnings, then status is not shown on the rotating menu

PV is Flow, Mass, or Temperature, on the local display and 0x00000000 will be displayed for then PV status is “Good, Non-

Specific, Not limited” the Device Status parameter in the Transducer Block from the Fieldbus interface. If a static parameter is changed from the local display, the Transducer Block is taken Out of

Service if it is not already, and the “Config Changed” mode condition is set in Device Status. This will indicate to the operator that the configuration has been changed from the local display. No indication is given on the Fieldbus network if someone is only viewing parameters on the local display.

For the Default Totalizer Warning, PV Status is bad only if the

PV is R Totalizer or NR Totalizer. If the PV is Flow, Mass, or

Temperature, PV Status is “Good, Non-specific, Not Limited”.

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57

58

Q1

J1

U3

P3

U1

J2

J3

U20

U21

U24

U4

R90

R101

J2 Heater Test

Figure 14

5.3

Diagnostics Test

The TA2 has several diagnostics tests which may be routinely performed. When conducting these tests, the

Transducer Block is taken Out of Service (OOS).

5.3.1 Heater Setting

The amount of current flowing to the heater is displayed under Diagnostics/Heater Setting. This value can be verified by connecting a multi-meter across the Heater Bypass terminals (J2) shown in figure 13. This board can be accessed by opening the cover and removing the display module. See Figure 14.

The measured value should match the value shown on the display. Any difference between the two values indicates that the heater calibration is incorrect. If the heater circuit is open, a nominal current value will be displayed, but the measured current will be zero.

5.3.2 Zero Power Test

This test checks that the resistances of the RTDs have not changed. The heater is turned off and the temperature difference between the two sensors is compared. The test should be performed in a water bath (preferred) or under flowing conditions. Conducting this test in still air will cause the test to time out and provide inconclusive results.

The temperature difference between the two sensors is displayed. Typical values will match within 0.15 °C.

Temperature difference may be as high as 0.5 °C depending upon test conditions. If greater than this value, contact the factory as drift in the RTDs may have occurred.

5.3.3 Calibration Verification Procedure

The TA2 measures heat transfer. These procedures are designed to permit the user to verify the calibration by checking the heat transfer characteristics of the sensor. If the heat transfer characteristics are approximately the same when the test is conducted compared with when the same data was collected at the factory during the initial calibration, the unit remains in calibration.

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Figure 15

The procedure is performed under two different sets of conditions. Both tests should be conducted at “room temperature,” approximately +21 °C to +30 °C (+70 °F to

+85 °F).

Low Flow Validate—Simulates a low flow condition.

i. Cover sensor tips to isolate from air currents. During the test, the heater power is set and the Delta T

(temperature difference) between the two RTDs is measured.

ii. After completion of the test, the value of the temperature difference measured during the test is compared against the previously stored value. (This value can also be compared with the initial calibration found on the original calibration certificate.) iii. The value from the test should compare with the stored (or original calibration value) within 1.5 °C.

This variation in part due to potential variations of the ambient temperature during the test and differences in test methods.

High Flow Validate—Simulates a high flow condition.

i. Support the TA2 vertically in a water bath. See

Figure 15. During the test, the heater power is set and the Delta T (temperature difference) between the two RTDs is measured.

ii. After completion of the test, the value of the temperature difference measured during the test is compared against the stored value. (This value can also be compared with the initial calibration found on the original calibration certificate.) iii. The value from the test should compare with the stored (or original calibration value) within 1.5 °C

This variation in part due to potential variations of the ambient temperature during the test and differences in test methods.

If the temperature difference measured during the test is greater than the recommended temperature difference indicated above in item “iii”, then the overall accuracy of the

TA2 may be affected. Contact MAGNETROL Technical support.

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60

Front

Compartment

Figure 16

Rear

Compartmen

6.0

Maintenance

6.1

Circuit Board Replacement

The input wiring board and display module can be replaced without any effect on the performance and operation of the TA2. The processor board contains the calibration information and is matched with the probe. If this circuit board is replaced, re-entry of all the original calibration data and configuration information is required. This information is contained on the calibration certificate which can be supplied by MAGNETROL.

1. Make sure the power source is turned off.

2. The input wiring board is contained in the rear compartment where the input voltage wiring comes into. The display module, power fieldbus board and processor board are contained in the front compartment.

3. Remove cover—refer to Figure 16.

4. If removing boards in the front compartment: a. Remove and unplug the display module if provided.

b. Remove the two hex head fasteners using a 1 ⁄

4

" socket.

This will remove the electronics module containing the processor board and the power fieldbus board.

c. Unplug the electrical connection at J1 of the power fieldbus board.

d. Probe wiring connections are made to TB1 on the same side of the power fieldbus circuit board.

e. Connect the probe wires as indicated:

Integral Electronics

Wire Color

Orange

Connection on TB1

8

Brown

Black

Blue

White

2

1

7

3

Remote Electronics

—see Figure 9 on Page 13.

f. Reattach the electrical connection to J1.

g. Reassemble the circuit boards in the enclosure.

Make sure that the probe wiring does not get pinched between the standoffs on the circuit board and the attachment lugs in the housing.

h. Reinstall the display module if provided.

5. If replacing the input wiring board, loosen screws, and remove the electrical connection to J1 on the rear of the circuit board.

i. Attach electrical connections to J1 on new circuit board and reassemble.

6. Re-install the cover.

7. Apply power to the instrument.

8. Proceed to section 6.3

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6.2

Probe Replacement

The probe and processor board are calibrated together to form a matched set. If a probe needs to be replaced,

MAGNETROL will provide a new calibration certificate.

The user will be required to re-enter the data from this certificate into the instrument. A new serial number will be designated to the replacement probe.

Integral Electronics

1. Make sure the power source is off.

2. Access the power fieldbus circuit board following procedure in section 6.1.4.

3. Disconnect wiring to the probe.

4. Loosen the two set screws at the base of the housing. One serves as a rotational lock, the other secures the head into place.

5. Unthread the probe.

6. Thread in a new probe.

7. Connect the probe wires to the power fieldbus board as indicated in section 6.1.4., step “e”

8. Reassemble the electronics following 6.1.4.

9. Align the enclosure with the desired probe position, making sure that the flow arrow indicates the direction of flow.

10. Retighten the two set screws.

11. Reapply power.

12. Proceed to section 6.3.

Remote Electronics

1. Make sure the power source is off.

2. Remove cover of remote electronics housing.

3. Remove bezel.

4. Disconnect the wires from the probe at terminal TB1.

5. Loosen the two set screws at the base of the housing. One serves as a rotational lock, the other secures the head into place.

6. Unthread the probe.

7. Thread in a new probe.

8. Connect the probe wires to Terminal TB1 as shown in figure 10.

9. Retighten the two set screws.

Wire Color

White

Blue

Black

Brown

Orange

Terminal Connection on TB1

1

4

5

2

3

10. Re-assemble the bezel and install cover.

11. Reapply power.

12. Proceed to section 6.3.

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6.3 Replacement Calibration

6.3.1 RTd Calibration

If either the probe or the processor board is replaced in the field, calibration of the RTDs in the probe will return the

TA2 to like-new performance.

NOTE: If this procedure is not followed, the accuracy will be affected; however, very repeatable flow measurements will be obtained.

Locate the sensor vertically in a water bath with an accurate temperature sensor directly adjacent to the probe tips.

It is preferable that the water is stirred during the calibration to ensure the TA2 pins and temperature probe are at the same temperature. Using the keypad and display, select

“Factory Config\Probe Params\Probe Temp Calib” and then press the Enter key. The device will dynamically display the To/Fo readings over a period of time. After 3 minutes, and if the readings are stable enough, the display automatically changes to request entry of a password (126) followed by the ambient water temperature. After the temperature is entered, the device will display if the calibration is OK. The device then automatically resets itself for normal operation.

6.3.2 Set Point Adjustment

A new set point must be calculated to complete the reconfiguration.

1. Place the probe in ambient temperature air where there is no flow across the sensor. This can be accomplished by wrapping the sensor tip with a piece of paper.

2. Go into Diagnostics

’

Signal. Allow time for the signal to stabilize to within ±1 mW and record the new signal.

3. Calculate a new set point by using the following formula:

New set point = set point x (zero flow signal ÷ new signal)

If replacing the probe, use the set point and zero flow signal (ZFS) shown on the new calibration certificate that came with the probe.

If replacing the processor board, use the set point and ZFS on the original calibration certificate. If the original calibration certificate is not available, contact MAGNETROL with the serial number of the unit found on the nameplate.

New signal is the value measured under step 2.

NOTE: If the TA2 is calibrated for a gas other than air, there are two

ZFS values on the certificate. One is for air and the other is for the particular gas. Use the ZFS for air when making the adjustment in air.

4. Enter this new set point into the TA2 instead of the value on the calibration certificate under Factory Config

’

Cal

Parameters A

’

Set Point.

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5. Return to the signal screen, similar to step 2, ensuring there is no flow over the sensor. The signal value should now agree with the original ZFS within 1%. If desired, steps 2 through

5 can be repeated.

6.4

Flow Recalibration

Calibration of the TA2 requires a flow bench or other method for determining the flow rate. Using this procedure, the user can re-calibrate the unit himself or use a local flow calibration facility rather than returning the unit to the factory for recalibration. With an insertion probe, it is not necessary to calibrate in the same size pipe as the unit is installed in. The TA2 has internal scale-up factors which adjusts the data from the calibration pipe size to the installation pipe size.

Calibration requires the TA2 sensor to be positioned in a test section; the test section should have a sufficient upstream and downstream straight run to ensure the formation of a fully developed flow profile. Calibration should be performed using the same gas which the unit is calibrated for. Optionally, an air equivalency calibration can be performed. In this case, calibrate in air and contact the factory for air equivalency factors and equivalent air calibration rate.

Recalibration Procedure:

1. Select the set point; this is the temperature in degrees Celsius which the TA2 maintains between the two sensors. If the unit is re-calibrated for the same application, then it is probably not necessary to change the original value. If it becomes necessary to change the set point due to change in the calibration velocity or the type of gas: a. Record the set point under Factory Configuration/ Cal

Parameters (A or B)/Set Point.

b. Determine the maximum velocity in SFPM which the unit will operate (SFPM equals the SCFM divided by the flow area of the test section in square feet).

c. Install the probe in the test section and flow gas that is equivalent to the maximum velocity in the calibration range.

d. Using the display, obtain the signal value in mW from the Diagnostics menu.

e. Calculate a new set point using the formula:

New set point = old set point * (800/measured signal

(mW)). 800 mW is the desired maximum power rating for the TA2.

f. Enter new /set point in TA2 under Factory

Configuration/Cal Parameters (A or B) Set Point.

2. Convert the flow rate in the application to the flow rate in the test section using the formula:

Flow in test section = application flow * (flow area of test section/flow area of application)

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a. Allow a flow of a known amount of gas through the test section, recording flow rate and TA2 signal

(mW). A minimum of 10 and a maximum of 30 data points including a zero flow value should be obtained. One data point should be taken at a flow rate approximately 20 % greater than the expected operating range. The higher the number of data points, the better the overall accuracy of the instrument.

b. Convert the flow rate in the test section to mass velocity in SFPM (Standard Feet Per Minute). This is equivalent to the flow rate in SCFM divided by the flow area in square feet. Convert from other units of measurement as necessary. Use MAGNETROL

STP conditions of 20 °C (70 °F) and 1 Atmosphere

(14.69 psia).

c. Enter the Power and the corresponding Mass

Velocity into the TA2 using the display and keypad or using the Fieldbus interface. These values should be entered in increasing order to ensure a monotonically increasing curve.

Note password of 126 is required for entry of calibration data. (Contact MAGNETROL if issues using this password.) d. After completion of entry of the calibration data, check the display for the number of points accepted

(or table length). If this number is less than the actual number of data points entered, then there is an error in the entry of the calibration data. Ensure that the data is entered so the curve is monotonically increasing. The values of mass velocity and power should always be increasing over the calibration range.

e. A Fault message will occur if there are fewer than

10 calibration data points in the calibration table.

3. Enter the flow area of the calibration test section. Units of measurement are the same as selected under Basic Config menu. This value is used in calculating the scale-up factor between the calibration test section and the installation.

7.0

Reference Information

7.1

Description

The THERMATEL Model TA2 Thermal Mass Flow Meter provides a mass flow measurement of air and other gases.

The TA2 consists of a probe or flow body with electronics either integrally mounted on the probe or remotely located.

54-650 Thermatel

®


OUNDATION fieldbus

™

The optional plug-in display module with four-button keypad permits the user to easily make changes in the configuration of the TA2 for application-specific conditions.

The display provides an indication of the mass flow, temperature and totalized flow, plus other selectable information.

Each instrument is calibrated and configured by

MAGNETROL for the type of gas, pipe size, flow area and flow rate. Calibration is performed in a NIST traceable flow bench.

The TA2 provides real-time temperature compensation which adjusts the flow measurement due to changing gas properties caused by process temperature changes.

7.2

Theory of Operation

The flow element of the TA2 Thermal Mass Flow Meter utilizes a heater and two resistance temperature detectors

(RTDs). The heater and the active RTD are contained in one sensor. The second sensor contains the reference RTD and a mass balancing element.

The reference RTD measures the temperature of the process where the flow element is installed. A variable power is provided to the heater. The active RTD measures the temperature of the heated sensor in a feedback loop to the electronics. The electronics vary the power to the heater to maintain a constant temperature difference between the active and reference RTDs. As the mass flow rate increases there is a cooling effect on the heated sensor.

The power to the heated sensor is controlled to maintain a constant temperature difference between the two sensors.

The amount of power required to maintain this temperature difference provides a measurement of the mass flow.

There is an inherent non-linear relationship between heater power and the mass flow rate. The microprocessor based electronics convert the heater power to provide a linear measurement of the mass flow rate. The electronics also provide real time temperature compensation which automatically adjusts the flow measurement for changes in process temperature over the entire operating range of the instrument.

The temperature measured by the reference RTD and the totalized flow can be viewed on the display, and is also available from the Fieldbus interface.

54-650 Thermatel

®


OUNDATION fieldbus

™

65

7.3

Display Module

The Enhanced model TA2 has a back-lit, plug-in, rotatable display module. The display module consists of a 2-line

¥

16-character Liquid Crystal Display with four-push-button keypad for configuring the instrument, or for diagnostics.

The display can be rotated in 90-degree increments to permit viewing from various orientations. To rotate the display, remove the two screws on the front of the display module, rotate to the desired position, and reattach.

66

54-650 Thermatel

®


OUNDATION fieldbus

™

1

3

2

7.4

Replacement Parts

NOTE: Replacement of the processor board / electronic module or the sensor requires entry of configuration data from the

Calibration Certificate.

CAUTION:

EXPLOSION HAZARD

Do not disconnect equipment unless power has been switched off or the area is known to be non-hazardous.

Partn°:

Digit in partn°:

X

T A 2

1 2 3 4 5 6 7 8 9 10

Serial n°:

See nameplate, always provide complete partn° and serial n° when ordering spares.

X

= product with a specific customer requirement

E X P E D I T E S H I P P L A N ( E S P )

Several parts are available for quick shipment, within max. 1 week after factory receipt of purchase order, through the Expedite Ship

Plan (ESP).

Parts covered by ESP service are conveniently grey coded in the selection tables.

4

5

8

9

6

7

10

Digit 6

0

B

Digit 6

0

B

(1) Housing cover

Replacement part

004-9197-007

036-4411-001

(2) Display module


not applicable

Z30-3614-001

(3) Electronic module

Digit 5 Digit 9

1

2

4

3 or 4

E or F

3 or 4

3 or 4

E or F


089-7261-002

089-7261-005

089-7263-001

089-7261-003

089-7261-006

54-650 Thermatel

®


OUNDATION fieldbus

™

Digit 5

1

2

4


(6) "O"-ring

(7) "O"-ring

(10) Sensor

(4) Wiring PC board


089-7260-001

089-7262-001

089-7260-002


004-9206-010

012-2201-240

012-2201-240 consult factory

Digit 9

3 or E

4 or F



not applicable

004-9225-002

Digit 9

3 or E

4 or F

(9) "O" ring


not applicable

012-2201-237

67

7.5

Specifications

Electronics specifications

Description

Power supply

Power consumption

Output

Active

Analog Output

Passive

Analog

Display

Resolution

Calibration

Damping

Diagnostic Alarm

User Interface

Pulse Output

Alarm Output

Display

Displayed values

Menu Language

Housing Material

Approvals

Mounting

Probe length

Specification

15 – 30 V DC

100 – 264 V AC, 50-60 Hz

DC = 9 W max - AC = 20 VA max

4-20 mA with HART

®

, FOUNDATION fieldbus™ H1

4-20 mA isolated (3,8 – 20,5 mA useable as per NAMUR NE 43) - max 1000 Ω loop resistance

4-20 mA isolated (3,8 – 20,5 mA useable as per NAMUR NE 43) max loop resistance depending power supply

0,01 mA

0,01 Nm/s

Pre-calibrated from factory - ISO 17025 and NIST traceable

Adjustable 0-15 s time constant

Adjustable 3,6 mA, 22 mA or Hold last output

®

HART communicator, AMS

® or PACT

ware

™, FOUNDATION fieldbus™ and/or 4-button keypad

Active connection – 24 V DC Power, 150 mA

Passive connection – 2,5 to 60 V DC Power, 1,5 A

Active connection – 24 V DC Power, 100 mA

Passive connection – 2,5 to 60 V DC Power, 1 A

2-line x 16-character backlit LCD

Flow (eg. Nm

3

/h, Nl/h) and/or mass flow (eg. kg/h) and/or temperature (°C/°F) and/or loop current (mA) and/or totalized flow (eg. Nm

3

/h, Nl/h)

English, French, German, Spanish, Russian

IP 66, Aluminium A 356 (< 0,2 % copper) dual compartment

ATEX II 2 G Ex d IIC T6 Gb, flameproof enclosure

ATEX II 1/2 G Ex d +ib / d [ib] IIC T4 Ga/Gb, flameproof enclosure

IEC Ex d IIC T6 Gb, flameproof enclosure

Temperature class decreases for process temperatures above +55 °C (+130 °F)

Other approvals are available, consult factory for more details

Functional safety to SIL1 as 1oo1 / SIL2 as 1oo2 in accordance to IEC 61508 – SFF: 88,3 %.

Full FMEDA report and declaration sheets available at request

ANSI/ISA-S71.03 Class SA1 (Shock), ANSI/ISA-S71.03 Class VC2 (Vibration)

3,3 kg (7.3 lbs) – electronics with 25 cm threaded probe

5.2

Link Master (LAS) – selectable ON/OFF

1 x RB, 5 x AI, 1 x IT, 1 x TB and 1 x PID

AI = 15 ms, PID = 20 ms, IT = 30 ms

15 mA

Available at www.fieldbus.org

SIL (Safety Integrity Level)

Shock/Vibration Class

Net weight

Foundation Fieldbus™ specifications

ITK version

H1 device class

Function blocks

Execution time

Quiescent current draw

DD/CFF files

Performance

Description

Turn down ratio

Max

Min

Flow range

Linearity

Accuracy

Repeatability

Response time

Remote electronics

Flow

Temperature

Ambient temperature

Operating temperature effect

Humidity

Electromagnetic Compatibility

Probe specifications

Description

Materials – wetted parts

Max process temperature

Max pressure rating

Specification

100:1 typical (depending upon calibration)

0,05 - 275 Nm/s (10 - 54,000 SFPM) reference of air at STP conditions

0,05 - 2,5 Nm/s (10 - 500 SFPM) reference of air at STP conditions

Included in flow accuracy

± 1 % of reading + 0,5 % of calibrated full scale

± 1 °C (2 °F)

± 0,5 % of reading

Time constant of 1 to 3 s

Max 45 m or 150 m, depending on cable used

Display: -30 °C to +80 °C (-22 °F to +176 °F)

± 0,04 % of reading per °C

0-99 %, non-condensing

Meets CE requirements (EN 61326)

Insertion probe

316/316L (1.4401/1.4404) or Hastelloy

®

C (2.4819)

Sensor with flow body

Sensor: 316/316L (1.4401/1.4404)

Flow body: stainless steel or carbon steel

Threaded, compression fitting, ANSI-EN (DIN) flanged or with Retractable probe assembly

Threaded or flanged

From 7 cm up to 253 cm (2.6" up to 99.9") Flow body sizes from 1/2" up to 4"

Integral electronics: -45 °C up to +120 °C (-50 °F up to +250 °F)

-45 °C up to +200 °C (-50 °F up to +400 °F) with 100 mm (4") longer probe serving as heat extension between the electronics and the compression fitting

Remote electronics: -45 °C up to +200 °C (-50 °F up to +400 °F)

103 bar @ +20 °C (1500 psi @ +70 °F)

94,8 bar @ +200 °C (1375 psi @ +400 °F) – direct insertion

75,9 bar @ +200 °C (1100 psi @ +400 °F) – with flow body

68

54-650 Thermatel

®


OUNDATION fieldbus

™

Pressure drop for sensors with flow body

Pressure drop

Pressure drop with conditioning plate

5 10

Flow rate - Nm

3

/hr

50 100 500 1000 5000 10000 5 10

Flow rate - Nm

3

/hr

50 100 500 1000 5000 10000

1000

500 ½" ¾" 1" 1½" 2" 3" 4"

1000

500

1000

500 1½" 2" 3" 4"

1000

500

100

50

100

50

100

50

100

50

10

5

10

5

10

5

10

5

1

0.5

1

0.5

1 1

0.1

1

5

10 100

Flow rate - SCFM

500

1000

5000

10000

0.1

1

5

10 100

50

Flow rate - SCFM

500

1000

5000

10000

Pressure drop is based on air at +20 °C (+70 °F) and 1 atmosphere (density = 1,2 kg/m by 1,2.

3 or 0.075 lb/ft or temperatures, estimate pressure drop by multiplying value from chart by actual density in kg/m

3

3

). For other gases, pressure

(at operating conditions) divided

Pressure drop for flow conditioning plates for use with insertion probes

Conditioning plate pressure drop

1.5" 2"

1000

100

3" 4" 5"

6"

8"

10"

12"

10

1

0.1

0.01

0.001

0.0001

10 100

Flow rate - (Nm3/h)

1000 10000

7.6

Model Identification

A complete measuring system consists of:

1. Thermatel

®

TA2 mass flow electronics.

Thermatel

®

TA2 mass flow meters require an application report for performing pre-calibration from factory. Ask your

Magnetrol

® contact for assistance when specifying a device.

2. Thermatel

®

TA2 mass flow insertion probe or Thermatel

®

TA2 mass flow sensor with flow body.

3. Connecting cable for remote mount Thermatel

®

TA2 mass flow meters.

4. Options:

- MACTek Viator USB HART

® interface: order code:

070-3004-002

- portable display module – order code:

089-5219-002

(for more details see page 73)

- flow conditioning plate for use with insertion probes – for order code see page 72

- retractable probe assembly (RPA) – for order code see page 73

- valve with compression fitting – order code:

089-5218-001

(for more details see page 73)

5. Free of charge: TA2 DTM (PACT

ware

™) can be downloaded from www.magnetrol.com

54-650 Thermatel

®


OUNDATION fieldbus

™

69

1. Code for Thermatel

®

Enhanced Model TA2 mass flow meter

BASIC MODEL NUMBER

T A 2 - A Thermatel

®

TA2 mass flow meter

OUTPUT

1 4-20 mA with HART

® communication

2 FOUNDATION fieldbus™ communication

4 4-20 mA with HART

® communication, Pulse/Alarm, second mA output

ACCESSORIES

0 0

B 0

Blind transmitter (can receive the plug-in display as future option)

Plug-in digital display and keypad

CALIBRATION

For TA2 with insertion probe

Actual gas calibration

0 Special

➀

. Specify medium separately

1 Air

2 Nitrogen

3 Hydrogen

4 Natural gas

6 Digester gas

7 Propane

8 Oxygen

Air equivalency / Correlation

5 Gas correlation

➀

9 Air equivalency

➀

➀

Consult factory for approval.

For TA2 with sensor with flow body

Actual gas calibration

A Special

➀

. Specify medium separately

B Air

C Nitrogen

D Hydrogen

E Natural gas

G Digester gas

H Propane

J Oxygen

Air equivalency / Correlation

F Gas correlation

➀

K Air equivalency

➀

MOUNTING/APPROVAL

➀

3 Integral, ATEX II 2 G Ex d IIC T6 Gb, flameproof enclosure

4 Remote

¡

, ATEX II 2 G Ex d IIC T6 Gb, flameproof enclosure

E Integral, ATEX II 1/2 G Ex d +ib / d [ib] IIC T4 Ga/Gb, flameproof enclosure

F Remote

¡

, ATEX II 1/2 G Ex d +ib / d [ib] IIC T4 Ga/Gb, flameproof enclosure

➀

¡

Codes E & F not available with FOUNDATION fieldbus™ output.

For weatherproof, consult factory.

Bracket for electronics and probe housing included.

HOUSING / CABLE ENTRY

1 IP 66, Cast aluminium, M20 x 1,5 cable entry (2 entries - 1 plugged)

0 IP 66, Cast aluminium, 3/4" NPT cable entry (2 entries - 1 plugged)

T A 2 A 0

complete code for Thermatel

X = product with a specific customer requirement

®


70

54-650 Thermatel

®


OUNDATION fieldbus

™

2. code for Thermatel

®

Enhanced Model TA2 mass flow insertion probe

BASIC MODEL NUMBER

T M R Thermatel

®

TA2 Mass Flow probe - 3/4" diameter

MATERIALS OF CONSTRUCTION

A 316/316L (1.4401/14404) stainless steel

B Hastelloy

®

C (2.4819) - not available with 316 (1.4401) stainless steel compression fitting

PROCESS CONNECTION

0 0 A Designed for use with compression fitting – min. 11 cm insertion length

Compression fitting not included

Threaded with 316 (1.4401) stainless steel compression fitting included

0 3 A 3/4" NPT compression fitting with Teflon ferrules (max. 6,90 bar)

0 4 A 3/4" NPT compression fitting with stainless steel ferrules

(max. 103 bar @ +20 °C, max. 94,8 bar @ +200 °C)

0 5 A 1" NPT compression fitting with Teflon ferrules (max. 6,90 bar)

0 6 A 1" NPT compression fitting with stainless steel ferrules

(max. 103 bar @ +20 °C, max. 94,8 bar @ +200 °C)

Threaded

1 1 A 3/4" NPT - default selection in combination with a retractable probe assembly (RPA)

2 1 A 1" NPT

2 2 A 1" BSP (G 1")

ANSI flanges

2 3 A 1"

2 4 A 1"

3 3 A 1 1/2"

3 4 A 1 1/2"

4 3 A 2"

4 4 A 2"

EN (DIN) flanges

B B A DN 25

C B A DN 40

D A A DN 50

D B A DN 50

150 lbs ANSI RF

300 lbs ANSI RF

150 lbs ANSI RF

300 lbs ANSI RF

150 lbs ANSI RF

300 lbs ANSI RF

PN 16/25/40

PN 16/25/40

PN 16

PN 25/40

EN 1092-1 Type A

EN 1092-1 Type A

EN 1092-1 Type A

EN 1092-1 Type A

INSERTION LENGTH - consider process connections

Min probe length

0 0 7 7 cm (2.6") fixed length - for NPT threaded and flanged

0 0 9 9 cm (3.5") fixed length - for BSP threaded

Selectable probe length - specify per cm (0.39") increment

0 0 9 min. 9 cm (3.5")

0 1 1 min. 11 cm (4.5")

- for NPT threaded and flanged

- for BSP threaded and compression fitting

0 2 5 min. 25 cm (10") - for use with RPA (Retractable Probe Assembly)

2 5 3 max. 253 cm (99.9") - for all probe connections

T M R A


®

Enhanced Model TA2 mass flow insertion probe


54-650 Thermatel

®


OUNDATION fieldbus

™

71

2. Code for Thermatel

®

Enhanced Model TA2 sensor with flow body

BASIC MODEL NUMBER

T F T Thermatel

®

TA2 sensor with mass flow body


A 316/316L (1.4401/1.4404) stainless steel body and sensor

1 Carbon steel body / stainless steel sensor

THREADED FLOW BODY - ø size and connection

0 1

1

/

2

"

1 1

2 1

3 1

4 1

3

1

/

4

1"

2"

1

"

/

2

"

NPT-M

NPT-M

NPT-M

NPT-M

NPT-M

FLANGED FLOW BODY - ø size and connection

0 3

1

/

2

"

1 3

3

/

4

"

2 3 1"

3 3 1

1

/

2

"

4 3 2"

5 3 3"

6 3 4"

150 lbs ANSI RF

150 lbs ANSI RF

150 lbs ANSI RF

150 lbs ANSI RF

150 lbs ANSI RF

150 lbs ANSI RF

150 lbs ANSI RF

FLOW CONDITIONING PLATE

A None

B Stainless steel flow conditioning plate - For flow body sizes ≥ 1

1

/

2

"

T F T 0 0 0



®

Enhanced Model TA2 sensor with flow body

3. Code for connecting cable remote mount Thermatel

®


0 3 7 – 3 3 1 4 Connecting cable for non-hazardous area - 8 wire shielded instrument cable (max 45 m)

0 3 7 – 3 3 2 0 Connecting cable for non-hazardous area - 10 wire shielded instrument cable (max 150 m)

0 0 9 – 8 2 7 0 Connecting cable for ATEX flameproof enclosure - 8 wire shielded instrument cable (max 150 m)

CABLE LENGTH - specify per m (3.28 ft) increment

0 0 3 min 3 m (9.84 ft) length

0 4 5 max 45 m (148 ft) length (for 037-3314-xxx cable)

1 5 0 max 150 m (492 ft) length (for 037-3320-xxx and 009-8270-xxx cable)

0

complete code for connecting cable

4. Code for flow conditioning plate for use with insertion probes

Part number

004-8986-001

004-8986-002

004-8986-003

004-8986-004

004-8986-005

004-8986-006

004-8986-007

004-8986-008

004-8986-009

description

4" 316 stainless steel

4" carbon steel

4" PVC


5" carbon steel

5" PVC


6" carbon steel

6" PVC

Part number

004-8986-010

004-8986-011

004-8986-012

004-8986-013

004-8986-014

004-8986-015

004-8986-016

004-8986-017

004-8986-018

description


8" carbon steel

8" PVC


10" carbon steel

10" PVC


12" carbon steel

12" PVC

72

54-650 Thermatel

®


OUNDATION fieldbus

™

5. Code for retractable probe assembly

BASIC MODEL NUMBER

R P A Retractable probe assembly

DESIGN TYPE

E Low pressure - up to 5,5 bar (80 psi)

F High pressure - up to 300 lbs service


1 Carbon steel with 316 SST (1.4401) seal gland

4 316 SST (1.4401)

PROCESS CONNECTION

0 1 1/2" NPT-M

1 1 1/2" - 150 lbs RF flange

2 1 1/2" - 300 lbs RF flange

BALL VALVE

0 No ball valve supplied

1 Carbon steel ball valve

2 Stainless steel ball valve

PROBE LENGTH

0 2 5 min 25 cm (9.84")

1 8 0 max 180 cm (70.87")

– not available for RPA-E1

– select material code 1

– select material code 4

R P A

complete code for retractable probe assembly


6. Code for other options

When ordered separately:

Process

Conn. Size

1" NPT

3/4" NPT

Teflon ferrules

Max. 6,90 bar (100 psi) code: code:

Compression fitting in 316 (1.4401) stainless steel

011-4719-009

011-4719-008

Stainless steel ferrules

Max. 103 bar @ +20 °C (1500 psi @ +70 °F)

Max. 94,8 bar @ +200 °C (1375 psi @ +400 °F) code:

011-4719-007

code:

011-4719-006

203 (8) Typical

1" NPT customer supplied

1" NPT ball valve in 316 SST with compression fitting (TFE ferrules) code:

089-5218-001

Portable display module

A portable display module for configuration and diagnosis of multiple units is available (code

089-5219-002

). This portable module plugs into the electronics in the same manner as the normal display and uses the same software menu. This module permits the user to reduce installation cost by having one display module with keypad for multiple TA2 units.

Usage of the display module requires that the housing cover be removed during use and thus may not be useable in hazardous areas. In these cases, the

HART

® option should be utilised.

54-650 Thermatel

®


OUNDATION fieldbus

™

73

7.7

Dimensions in mm (inches)

Integral Mount TA2

114 (4.49)

A

99 (3.89)

3

/

1" NPT: 79 (3.1)

Pipe centerline

Remote Mount TA2

25 mm (1)

114 (4.49)

102 (4.00)

Ø 19,1 (0.75)

74

ø 19,1 (0,75)

TMR for mounting with compression fitting

ø 19,1 (0,75)

TMR with threaded connection

ø 19,1 (0,75)

TMR with flanged connection

54-650 Thermatel

®


OUNDATION fieldbus

™

A

B

A

B

L1

L

Flow conditioning plate

L1

L

Flanged flow body Threaded flow body

Code

2

3

0

1

Size

1

1

3

1

/

2

"

/

4

"

1"

/

2

"

Length (L)

With Flow

Conditioning

mm (inches)

Without Flow

Conditioning

mm (inches)

203 (8)

➀

286 (11.25)

➀

381 (15)

➀

495 (19.5)

—

—

—

191 (7.5)

With Flow

Conditioning

mm (inches)

L1

Without Flow

Conditioning

mm (inches)

127 (5)

➀

191 (7.5)

➀

254 (10)

➀

305 (12)

—

—

—

95 (3.75)

Height to

Centerline

(A)

mm (inches)

203 (8.0)

203 (8.0)

203 (8.0)

211 (8.3)

Overall Height (B)

NPT-M

mm (inches)

214 (8.4)

217 (8.5)

220 (8.7)

235 (9.3)

Flange

mm (inches)

248 (9.7)

251 (9.9)

257 (10.1)

274 (10.8)

4

5

2"

3"

660 (26)

991 (39)

191 (7.5)

254 (10)

406 (16)

610 (24)

95 (3.75)

127 (5)

241 (9.5)

241 (9.5)

272 (10.7)

N/A

6 4" 1321 (52) 305 (12) 914 (36) 152 (6) 241 (9.5)

➀

The upstream length in pipe sizes < 1

1

/

2

" dia. is sufficient to create the flow conditioning effect without need for a flow conditioning plate.

N/A

318 (12.5)

337 (13.3)

356 (14.0)

Adjustment rods

Adjustment nuts

Retaining bar

Seal nut

T

Ball valve

V

X

Vessel wall

Pipe centerline

25 (1)

Model RPA-F412-XXX

Y minimum probe length: T = 2 (X + Y)

Safety cable

Seal nut

1 1/2" NPT S

V

X

Ball valve

Vessel wall

Pipe centerline

25 (1)

Model RPA-E402-XXX

Y minimum probe length: S + X + Y

S Dimension

Threaded connection

Flanged connection

102 (4.00)

127 (5.00)

Size

1

1

⁄

2

" NPT

Ball Valve Dimensions*

V

112 (4.4)

1

1

1

⁄

1

2

2

⁄ " 150# flange

" 300# flange

165 (6.5)

191 (7.5)

*Dimension of ball valve if supplied by the factory.

54-650 Thermatel

®


OUNDATION fieldbus

™

75

7.8 References

1. F

OUNDATION fieldbus ™ : A Pocket Guide, Ian Verhappen, Augusto Pereira

2. F

OUNDATION fieldbus ™ —System Engineering Guidelines, AG–181

Appendix A – Transducer Block Parameters

ITEM PARAMETER nAME

28

29

30

31

24

25

26

27

20

21

22

23

16

17

18

19

12

13

14

15

8

9

10

11

4

5

6

7

0

1

2

3

44

45

46

47

40

41

42

43

36

37

38

39

32

33

34

35

48

49

50

PARAMETER LABEL

BLOCK_STRUCTURE

ST_REV

TAG_DESC

STRATEGY

ALERT_KEY

MODE_BLK

BLOCK_ERR

UPDATE_EVT

BLOCK STRUCT

ST REV

TAG DESC

STRATEGY

ALERT KEY

MODE BLK

BLOCK ERR

UPDATE EVT

BLOCK_ALM BLOCK ALM

TRANSDUCER_DIRECTORY XD DIRECTORY

TRANSDUCER_TYPE

XD_ERROR

XD TYPE

XD ERROR

COLLECTION_DIRECTORY COLLECT DIR

VOLUME_FLOW Flow

VOLUME_FLOW_UNIT

MASS_FLOW

Flow Unit

Mass

MASS_FLOW_UNIT

PROCESS_TEMP

TEMPERATURE_UNIT

DENSITY_UNIT

INSIDE_DIAMETER

DIAMETER_UNIT

FLOW_AREA

AREA_UNIT

Mass Unit

Process Temp

Temperature Unit

Density Unit

Inside Diameter

Diameter Unit

Flow Area

Area Unit

USER_UNIT

DAMPING

User Unit

Damping

R_TOTALIZER_MODE R Totalizer Mode

R_TOTALIZER_MULTIPLIER R Totalizer Multiplier

R_TOTALIZER_FLOW

R_TOTALIZER_UNIT

R_TOTALIZER_TIME

RESET_TOTALIZER

R Totalizer Flow

R Totalizer Unit

R Totalizer Time

Reset R Totalizer

NR_TOTALIZER_MULTIPLIER NR Totalizer Multiplier

NR_TOTALIZER_FLOW NR Totalizer Flow

NR_TOTALIZER_UNIT

NR_TOTALIZER_TIME

NR Totalizer Unit

NR Totalizer Time

INSTALL_FACTOR_A

INSTALL_FACTOR_B

INSTALL_FACTOR_C

STP_TEMPERATURE

Install Factor A

Install Factor B

Install Factor C

STP Temperature

STP_PRESSURE

GAS_CAL_TABLE

UPPER_FLOW_LIMIT

UPPER_CAL_POINT

TA2_SENSOR_TYPE

TZERO_FACTOR

FZERO_FACTOR

COEFFICIENT_RATIO

STP Pressure

Gas Cal Table

Upper Flow Limit

Upper Cal Point

Sensor Type

TZero

FZero

Coefficient Ratio

SLOPE

POWER_PREDICTOR

Slope

Power Predictor

FACTORY_PARAMETER_1 Factory Parameter 1

ITEM PARAMETER nAME PARAMETER LABEL

51 FACTORY_PARAMETER_2 Factory Parameter 2




55 GAS_A_TEMP_CORR_A Gas A TCC-A

56 GAS_A_TEMP_CORR_B

57 GAS_A_TEMP_CORR_C

Gas A TCC-B

Gas A TCC-C

58 GAS_A_DENSITY Gas A Density

59 GAS_A_AIR_EQUIV_MODE Gas A Air Equiv Mode

60 GAS_A_COEFF_A

61 GAS_A_COEFF_B

Gas A Coeff Ag

Gas A Coeff Bg

62 GAS_A_COEFF_C

63 GAS_A_COEFF_D

64 GAS_A_COEFF_E

65 GAS_A_SET_POINT

Gas A Coeff Cg

Gas A Coeff Dg

Gas A Coeff Eg

Gas A Set Point

66

GAS_A_ZERO_FLOW_SIGNAL Gas A Zero Flow Signal

67

GAS_A_LOW_FLOW_CUTOFF Gas A Low Flow Cutoff

68 GAS_A_CALIB_PIPE_AREA Gas A Calib Pipe Area

69 GAS_B_TEMP_CORR_A Gas B TCC-A

70 GAS_B_TEMP_CORR_B

71 GAS_B_TEMP_CORR_C

Gas B TCC-B

Gas B TCC-C

72 GAS_B_DENSITY Gas B Density

73 GAS_B_AIR_EQUIV_MODE Gas B Air Equiv Mode

74 GAS_B_COEFF_A

75 GAS_B_COEFF_B

76 GAS_B_COEFF_C

77 GAS_B_COEFF_D

Gas B Coeff Ag

Gas B Coeff Bg

Gas B Coeff Cg

Gas B Coeff Dg

78 GAS_B_COEFF_E

79 GAS_B_SET_POINT

Gas B Coeff Eg

Gas B Set Point

80

GAS_B_ZERO_FLOW_SIGNAL Gas B Zero Flow Signal

81

GAS_B_LOW_FLOW_CUTOFF Gas B Low Flow Cutoff

82 GAS_B_CALIB_PIPE_AREA

Gas B Calib Pipe Area

83 CAL_TABLE_A_LENGTH

84 TABLE_A_POINT_01

85 TABLE_A_POINT_02

Cal Table A Length

Table A Pt 01

Table A Pt 02

86 TABLE_A_POINT_03

87 TABLE_A_POINT_04

88 TABLE_A_POINT_05

89 TABLE_A_POINT_06

90 TABLE_A_POINT_07

91 TABLE_A_POINT_08

92 TABLE_A_POINT_09

93 TABLE_A_POINT_10

94 TABLE_A_POINT_11

95 TABLE_A_POINT_12

96 TABLE_A_POINT_13

97 TABLE_A_POINT_14

98 TABLE_A_POINT_15

99 TABLE_A_POINT_16

100 TABLE_A_POINT_17

Table A Pt 03

Table A Pt 04

Table A Pt 05

Table A Pt 06

Table A Pt 07

Table A Pt 08

Table A Pt 09

Table A Pt 10

Table A Pt 11

Table A Pt 12

Table A Pt 13

Table A Pt 14

Table A Pt 15

Table A Pt 16

Table A Pt 17

76

54-650 Thermatel

®


OUNDATION fieldbus

™

Appendix A

(continued)

ITEM PARAMETER nAME














114 CAL_TABLE_B_LENGTH

115 TABLE_B_POINT_01






























145 ENTER_PASSWORD

146 USER_PASSWORD

PARAMETER LABEL

Table A Pt 18

Table A Pt 19

Table A Pt 20

Table A Pt 21

Table A Pt 22

Table A Pt 23

Table A Pt 24

Table A Pt 25

Table A Pt 26

Table A Pt 27

Table A Pt 28

Table A Pt 29

Table A Pt 30

Cal Table B Length

Table B Pt 01

Table B Pt 02

Table B Pt 03

Table B Pt 04

Table B Pt 05

Table B Pt 06

Table B Pt 07

Table B Pt 08

Table B Pt 09

Table B Pt 10

Table B Pt 11

Table B Pt 12

Table B Pt 13

Table B Pt 14

Table B Pt 15

Table B Pt 16

Table B Pt 17

Table B Pt 18

Table B Pt 19

Table B Pt 20

Table B Pt 21

Table B Pt 22

Table B Pt 23

Table B Pt 24

Table B Pt 25

Table B Pt 26

Table B Pt 27

Table B Pt 28

Table B Pt 29

Table B Pt 30

Enter Password

New User Password

ITEM PARAMETER nAME PARAMETER LABEL

147 DEVICE_STATUS

148 RUN_TIME

149 SIGNAL

150 FIXED_SIGNAL_MODE

151 FIXED_SIGNAL_VALUE

152 DELTA_TEMP

Device Status

Run Time

Signal

Fixed Signal Mode

Fixed Signal Value

Delta Temp

153 HEATER_SETTING

154 MAX_PROCESS_TEMP

Heater Setting

Max Process Temp

155

RESET_MAX_PROCESS_TEMP Reset Max Process Temp

156

ELECTRONICS_TEMPERATURE

Electronics Temp

157 MAX_ELECTRONICS_TEMP Max Elec Temp

158 MIN_ELECTRONICS_TEMP Min Elec Temp

159

RESET_ELECTRONICS_TEMPS Reset Electronics Temps

160 NSP_VALUE NSP Value

161 LOCAL_DISPLAY_SELECT Local Display Select

162 LOCAL_TAG Local Tag

163 DATE_CODE Date Code

164

MAGNETROL_SERIAL_NUMBER

MAGNETROL S/N

165 FIRMWARE_VERSION Firmware Version

166 CALIB_LOCATION

167 CALIB_DATE

168 CALIB_WHO

Calibration Location

Calibration Date

Calibration Who

169 PROBE_TEMP_DATA

170 RTD_CAL_RESULT

171 HEATER_CAL_RESULT

172 PROC_DATA_STATE

173 CAL_TEMP

174 CURRENT_SETTING

175 PWM_SETTING

176 LOW_CAL_VALIDATE

Probe Temp Data

RTD Cal Result

Heater Cal Result

Proc Data State

Cal Temp

Current Setting

PWM Setting

Low Cal Delta T

177 HI_CAL_VALIDATE

178 HISTORY_CONTROL

High Cal Delta T

History Control

179 HISTORY_CAPTURE_TIME History Capture Time

180 NUM_OF_HIST_EVENTS Number of Events

181 HIST_ENTRY_1

182 HIST_ENTRY_2

183 HIST_ENTRY_3

184 HIST_ENTRY_4

History Entry 1

History Entry 2

History Entry 3

History Entry 4

185 HIST_ENTRY_5

186 HIST_ENTRY_6

187 HIST_ENTRY_7

188 HIST_ENTRY_8

189 HIST_ENTRY_9

190 HIST_ENTRY_10

191 RESET_HISTORY

History Entry 5

History Entry 6

History Entry 7

History Entry 8

History Entry 9

History Entry 10

Reset History

54-650 Thermatel

®


OUNDATION fieldbus

™

77

Appendix B

The flow measurement of the TA2 assumes that the end of the probe is 25 mm (1”) past the centreline and the presence of a fully developed flow profile. See figure A.

As gas flows in a pipe or duct, the flow profile will change with obstructions and changes in flow direction. As the gas flows around an elbow, the momentum causes the gas velocity on the outside of the elbow to increase and the velocity on the inside to decrease. See figure B.

RD = 3,000,000

RD = 4,000

Figure A

Turbulent flow profile

Figure B

Flow profile following single elbow

Figure C indicates the minimum recommended straight run distances required to obtain the desired fully developed flow profile. If these straight-run distances are not available, the overall accuracy of the flow measurement will be affected; however, the repeatability of the measurement will be maintained.

The user has the ability to enter correction factors to compensate for non-ideal flow profile conditions.

FLOW

Ø x 15

One 90° elbow

Ø x 5

FLOW

Ø x 15

Reduction

Ø x 5

FLOW

Ø x 20

Two 90° elbows in plane

Ø x 5

FLOW

Ø x 15

Expansion

Ø x 5

FLOW

Ø x 35

Two 90° elbows out of plane

Ø x 5

Figure C – Probe Installations

FLOW

Ø x 50 Ø x 5

Control Valve -

It is recommended that control valves be installed downstream of the flow meter

78

54-650 Thermatel

®


OUNDATION fieldbus

™

Appendix B

(continued)

Conditioning plates

Flow conditioning plates may be provided in applications where limited straight run is available. Plates are available in flow body type sensor designs (TFT) from 1.5" to 4" pipes.

Plates may be purchased separately for pipe sizes 4" to 12" when using insertion probes (TXR).

The plate should be installed 2-5 diameters downstream of the nearest obstruction, change in pipe inside diameter or change in flow direction. For TXR designs, the insertion probe can be installed 8 pipe diameters downstream of the plate with 5

Thickness

diameters required downstream of the TXR. For TFT designs with the plate at the entrance, the downstream is provided in the length of the TFT.

Plates are to be fitted with gaskets (customer supplied) in between flanges. If plates are not included and recommended straight run is not adhered to, the TA2 will provide repeatable measurement and the installation factors can be utilized.

Inside diameter

Outside diameter

79

Part number

004-8986-001

004-8986-002

004-8986-003

004-8986-004

004-8986-005

004-8986-006

004-8986-007

004-8986-008

004-8986-009

004-8986-010

004-8986-011

004-8986-012

004-8986-013

004-8986-014

004-8986-015

004-8986-016

004-8986-017

004-8986-018

description


4" carbon steel

4" PVC


5" carbon steel

5" PVC


6" carbon steel

6" PVC


8" carbon steel

8" PVC


10" carbon steel

10" PVC


12" carbon steel

12" PVC

Od mm (inch)

157,2 (6.19)

157,2 (6.19)

157,2 (6.19)

185,7 (7.31)

185,7 (7.31)

185,7 (7.31)

215,9 (8.50)

215,9 (8.50)

215,9 (8.50)

269,7 (10.62)

269,7 (10.62)

269,7 (10.62)

323,9 (12.75)

323,9 (12.75)

323,9 (12.75)

381 (15.00)

381 (15.00)

381 (15.00)

Id mm (inch)

97,3 (3.83)

97,3 (3.83)

97,3 (3.83)

122,2 (4.81)

122,2 (4.81)

122,2 (4.81)

146,3 (5.76)

146,3 (5.76)

146,3 (5.76)

193,7 (7.63)

193,7 (7.63)

193,7 (7.63)

242,9 (9.56)

242,9 (9.56)

242,9 (9.56)

288,9 (11.37)

288,9 (11.37)

288,9 (11.37)

Thickness mm (inch)

12,7 (0.50)

12,7 (0.50)

12,7 (0.50)

16 (0.63)

16 (0.63)

16 (0.63)

19,1 (0.75)

19,1 (0.75)

19,1 (0.75)

25,4 (1.00)

25,4 (1.00)

25,4 (1.00)

31,8 (1.25)

31,8 (1.25)

31,8 (1.25)

38,1 (1.50)

38,1 (1.50)

38,1 (1.50)

54-650 Thermatel

®


OUNDATION fieldbus

™

IMPORTANT

SERVICE POLICY

Owners of Magnetrol products may request the return of a control; or, any part of a control for complete rebuilding or replacement. They will be rebuilt or replaced promptly. Magnetrol International will repair or replace the control, at no cost to the purchaser, (or owner)

other than transportation cost

if: a. Returned within the warranty period; and, b. The factory inspection finds the cause of the malfunction to be defective material or workmanship.

If the trouble is the result of conditions beyond our control; or, is

NOT

covered by the warranty, there will be charges for labour and the parts required to rebuild or replace the equipment.

In some cases, it may be expedient to ship replacement parts; or, in extreme cases a complete new control, to replace the original equipment before it is returned. If this is desired, notify the factory of both the model and serial numbers of the control to be replaced. In such cases, credit for the materials returned, will be determined on the basis of the applicability of our warranty.

No claims for misapplication, labour, direct or consequential damage will be allowed.

RETURNED MATERIAL PROCEDURE

So that we may efficiently process any materials that are returned, it is essential that a “Return Material Authorisation” (RMA) form will be obtained from the factory. It is mandatory that this form will be attached to each material returned. This form is available through Magnetrol’s local representative or by contacting the factory. Please supply the following information:

1. Purchaser Name

2. Description of Material

3. Serial Number and Ref Number

4. Desired Action

5. Reason for Return

6. Process details

Any unit that was used in a process must be properly cleaned in accordance with the proper health and safety standards applicable by the owner, before it is returned to the factory.

A material Safety Data Sheet (MSDS) must be attached at the outside of the transport crate or box.

All shipments returned to the factory must be by prepaid transportation. Magnetrol

will not accept

collect shipments.

All replacements will be shipped Ex Works.

UNDER RESERVE OF MODIFICATIONS

BULLETIN N°:

EFFECTIVE:

SUPERSEDES:

BE 54-650.0

MAY 2015

New

BENELUX

FRANCE

Heikensstraat 6, 9240 Zele, België -Belgique

Tel. +32 (0)52.45.11.11 • Fax. +32 (0)52.45.09.93 • E-Mail: [email protected]

DEUTSCHLAND Alte Ziegelei 2-4, D-51491 Overath

Tel. +49 (0)2204 / 9536-0 • Fax. +49 (0)2204 / 9536-53 • E-Mail: [email protected]

INDIA

ITALIA

RUSSIA

U.A.E.

UNITED

KINGDOM

B-506, Sagar Tech Plaza, Saki Naka Junction, Andheri (E), Mumbai - 400072

Tel. +91 22 2850 7903 • Fax. +91 22 2850 7904 • E-Mail: [email protected]

Via Arese 12, I-20159 Milano

Tel. +39 02 607.22.98 • Fax. +39 02 668.66.52 • E-Mail: [email protected]

198095 Saint-Petersburg, Marshala Govorova street, house 35, office 427

Tel. +7 812 320 70 87 • E-Mail: [email protected]

DAFZA Office 5EA 722 • PO Box 293671 • Dubai

Tel. +971-4-6091735 • Fax +971-4-6091736 • E-Mail: [email protected]

Unit 1 Regent Business Centre, Jubilee Road Burgess Hill West Sussex RH 15 9TL

Tel. +44 (0)1444 871313 • Fax +44 (0)1444 871317 • E-Mail: [email protected]

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