Mettler Toledo pH transmitter pH 2100-PA Operating Instruction

Bedienungsanleitung
Instruction Manual
Notice d‘utilisation
Transmitter pH 2100 PA
Deutsch
Mettler-Toledo GmbH
Process Analytics
Im Hackacker 15, P.O. Box
CH-8902 Urdorf
Switzerland
Phone: +41-1-736 22 11
Fax:
+41-1-736 26 36
www.mtpro.com
Gewährleistung
Innerhalb von 1Jahr ab Lieferung auftretende Mängel werden bei
freier Anlieferung im Werk kostenlos behoben.
Softwareversion: 2.x
Stand Bedienungsanleitung: 24.06.2005
Warranty
Defects occurring within 1 year from delivery date shall be remedied
free of charge at our plant (carriage and insurance paid by sender).
Software release: 2.x
Date of issue: June 24, 2005
Garantie
Tout défaut constaté dans les 1 an à dater de la livraison sera réparé
gratuitement dans notre usine à réception franco de l‘appareil.
Version logiciel : 2.x
Version du mode d‘emploi : 24.06.2005
TA-194.170-MTX02
Contents
Information on this instruction manual
. . . . . . . . . . . . . . E-3
Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3
2
4
7
Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-4
Be sure to read and observe the following instructions!. E-4
3
ORP measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-22
Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-23
8
Operation possibilities . . . . . . . . . . . . . . . . . . . . . . . . . .E-24
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-5
Operation using keypad on the Transmitter . . . . . . . . .E-25
Variants and basic characteristics . . . . . . . . . . . . . . . . . E-5
Mode code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-27
Definitions for PROFIBUS-PA . . . . . . . . . . . . . . . . . . . . E-5
Safety functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-27
PROFIBUS-PA with the Transmitter pH 2100 PA. . . . . E-6
Mode indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-28
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-29
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-7
Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-32
Operating tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-40
Technical features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-7
Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-40
Communication model . . . . . . . . . . . . . . . . . . . . . . . . . . E-8
Profile for process control devices (extract) . . . . . . . . . . E-9
9
PROFIBUS-PA limit monitoring . . . . . . . . . . . . . . . . . .E-43
Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-44
Mounting plan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-12
Installation and connection
Display messages and PROFIBUS communication . . .E-48
. . . . . . . . . . . . . . . . . . . . . . E-15
Information on installation . . . . . . . . . . . . . . . . . . . . . . E-15
Terminal assignments . . . . . . . . . . . . . . . . . . . . . . . . . E-17
Overview of the Transmitter pH 2100 PA. . . . . . . . . . . E-17
pH measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-18
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-42
Sensocheck, Sensoface . . . . . . . . . . . . . . . . . . . . . . . .E-42
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-11
Package contents and unpacking . . . . . . . . . . . . . . . . E-11
6
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-24
PROFIBUS technology . . . . . . . . . . . . . . . . . . . . . . . . . . . E-5
Proper use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-7
5
Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-23
Diagnostics functions . . . . . . . . . . . . . . . . . . . . . . . . . .E-51
10
Maintenance and cleaning
. . . . . . . . . . . . . . . . . . . . . . .E-53
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-53
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-53
Contents
E-1
English
1
11
Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-55
Product line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-55
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-55
ATEX EC-Type-Examination Certificate . . . . . . . . . . . .E-60
Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . .E-64
FM Control Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . .E-65
Buffer tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-67
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-69
12
E-2
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-71
Information on this instruction manual
1.1
Markings
The warning symbol means that the in structions given must always be followed
for your own safety.
Failure to follow these instructions may result in injuries
Notes provide important information that
should be strictly followed when using the device.
Trademarks
The following names are registered trademarks. For practical reasons
they are shown without trademark symbol in this manual.
- Registered trademarks
-
InPro®
Sensocheck®
Sensoface®
Calimatic®
GainCheck®
When a key is shown, its function is explained.
When a display is shown, the corresponding
information or operating instructions are provided.
Operating instructions
• Each operating instruction is preceded by a dot.
Enumerations
- Each enumeration is preceded by a dash.
Model designation
For practical purposes, the Transmitter pH 2100 PA is simply referred
to as Transmitter in this instruction manual.
Information on this instruction manual
E-3
English
1
2
Safety information
2.1
Be sure to read and observe the following instructions!
The Transmitter has been designed in accordance with the state of the
art and complying with the applicable safety regulations.
When operating the device, certain conditions may nevertheless be
dangerous for the operator or cause damage to the device.
Whenever it is likely that protection has
been impaired, the device shall be made inoperative and secured against unintended
operation.
The protection is likely to be impaired if, for example:
- the device shows visible damage
- the device fails to perform the intended measurements
- after prolonged storage at temperatures above 70 ˚C
- after severe transport stress
Before recommissioning the device, a professional routine test in accordance with EN 61010-1 must be performed. This test should be carried out by the manufacturer.
The Transmitter pH 2100 PA is approved
forinstallation in ATEX, FM Zone 1 with
measurement in Zone 0, and FM Class I
Div 1.
Before commissioning it must be proved
that the intrinsic safety is maintained when
connecting the device to other equipment,
such as segment coupler and cable.
For hazardous-area applications, the
Transmitter pH 2100 PA may only be connected to explosion-proof segment couplers, power supplies ....
E-4
Safety information
The Transmitter pH 2100 PA may be operated in accordance with the
FISCO model.
The stipulations of EN 60079-10:1996 and
the following must be observed for the installation.
To protect against electrostatic discharge,
the Transmitter may only be cleaned with a
damp cloth in hazardous locations.
PROFIBUS technology
3.1
General
PROFIBUS is a digital communication system that connects different
field devices over a common cable and integrates them into a control
system. In the long term, PROFIBUS will replace the 4-20 mA technology, which only supplies pure measured values.
Advantages of the PROFIBUS technology are:
- easy and cost-saving cabling
- convenient operation over a central control station
- transmission, evaluation and control of high amounts of data from
field device to control station.
3.2
- devices installed in hazardous locations are configured and maintained from the control station
PROFIBUS is the leading open fieldbus system in Europe. Its application range covers manufacturing, process and building automation. As
open fieldbus standard to EN 50170, PROFIBUS ensures communication of different devices over one bus.
The PROFIBUS User Organization (PNO) provides for further development and maintenance of the PROFIBUS technology. It combines
the interests of users and manufacturers.
Variants and basic characteristics
PROFIBUS determines the technical and functional characteristics of
a serial bus system.
There are three PROFIBUS variants:
- PROFIBUS-FMS (FMS protocol)
- is particularly suited for exchanging large amounts of data between control devices. It operates according to the RS 485
standard with transmission rates up to 12 MBits/sec.
- PROFIBUS-DP (decentralized peripherals)
- is tailored for communication of automation systems and distributed peripherals. It operates according to the RS 485 standard with transmission rates up to 12 MBits/sec.
- PROFIBUS-PA (process automation)
sensors and actuators to a common bus even in hazardous locations. PROFIBUS-PA has a transmission rate of 31.25 kBits/
sec.
PROFIBUS distinguishes between two types of devices:
- Masters
- control the data traffic on the bus. They send messages without
external request.
- Slaves
- are peripheral devices such as valves, drives, transmitters and
analyzers. They can react acyclically to servicing, configuration
and diagnostic tasks of the master. The central controller cyclically reads the measurement data with status.
- is dedicated to the process industry. It permits connection of
3.3
Definitions for PROFIBUS-PA
The bus protocol defines type and speed of the data exchange between master and slave devices and determines the transmission pro-
tocol of the respective PROFIBUS system.
PROFIBUS technology
E-5
English
3
PROFIBUS-PA permits cyclic and acyclic services.
- Cyclic services are used for transmission of measurement data
and actuating commands with status information.
- Acyclic services are used for device configuration, maintenance
and diagnostics during operation.
3.4
Fig. 3.1
E-6
The device profile defines the device class and typical functionalities
with parameters, ranges and limit values.
The FISCO model developed by the German PTB for hazardous locations permits connection of several devices to one common bus and
defines permissible limits for device and cable parameters.
PROFIBUS-PA with the Transmitter pH 2100 PA
Typical configuration of a PROFIBUS system with the Transmitter pH 2100 PA
PROFIBUS technology
Description
4.1
Proper use
The Transmitter pH 2100 PA is a PROFIBUS-PA analyzer. The Transmitter is used for pH/mV, ORP and temperature measurement in industry, environment, food processing and sewage treatment.
weather exposure and mechanical damage.
The rugged molded enclosure can be wall mounted or fixed into a control panel. It can also be mounted at a post or pipe.
The Transmitter accepts commercially available electrodes with a
nominal zero point at pH 7.
The Transmitter can be easily replaced since the terminals are of a
plug-in design.
The protective hood provides additional protection against direct
4.2
Technical features
Communication between measuring point and control room is via
PROFIBUS-PA. The data exchange (cyclic and acyclic) is performed
in accordance with the PROFIBUS-DP/V1 protocol.
Control room
pH measurement
EEx ia IIC
EEx ia IIC
Segment
coupler
+
pH, ORP
Sensocheck
–
PROFIBUSPA
Temperature
Glass Ref
Fig. 4.1
Pt 100/
Pt 1000/
NTC 30 kΩ
P
R
O
F
I
B
U
S
PROFIBUS
Master
D
P
Transmitter
pH 2100 PA
System functions (hardware)
Description
E-7
English
4
Communication model
The device performance is described by function blocks according to
the PNO profile for Process Control Devices.
The respective blocks contain different parameters and functions.
Physical Block
Global Status
Control Transducer Block
meas/cal
Logbook
Function
Block
Analyzer
Transducer
Block
Transfer
Transducer
Block
Analog Input
mV/pH
Ext.
temp.
Temperature
Transducer
Block
Analog Input
Temp.
mV/pH
˚C
Transducer
Limit Block
Discrete Input
Limit 1
mV/pH
˚C
Transducer
Limit Block
Discrete Input
Limit 2
Transmitter pH 2100 PA
Fig. 4.2
E-8
Communication model Transmitter pH 2100 PA according to the “Profile for Process Control Devices“ (PNO).
Description
PROFIBUS
Transducer
Alarm Block
Cyclic services
4.3
Profile for process control devices (extract)
Type of block
Block contents
(general)
Block contents (detailed)
Physical Block
(PB)
Description of
device
Measurement procedure, device configuration
Serial number, manufacturer name
English
4.4
Operating state (run, maintenance, ...)
Global status, diagnostics information
Transducer
Block (TB)
Measurement
procedure with
interpretation
Process variable (plain text and unit)
Number of measurement ranges (MR), start and end value of MR, active MR
Autorange function On/Off
Sampling rate of measured values
Uncorrected measured value with time stamp and status
Control Transducer Block
Control of device Status of function execution of respective Transducer Blocks
functions
Number of buffer sets available
Slope of sensor characteristic
Transfer Transducer Block
Pre-processing
of a measured
value
Measured value pre-processing
Temperature compensation
Selection of pre-processing function
Transducer Limit Limit monitoring
Block
Block (TB) for limit setting
Threshold, effective direction, hysteresis
On-delay, off-delay
Reset behavior, reset confirmation
Limit status (active, not active)
Description
E-9
Type of block
Block contents
(general)
Block contents (detailed)
Analog Input (AI) Measured value
Currently measured value with status and range
Function Block
Rise time, hysteresis of AI limits
Upper/lower alarm limit
Upper/lower warning limit
Switchover manual/automatic operation, measured value simulation
Fail-safe behavior
Discrete Input
(DI)
Digital input
Switchover manual/automatic operation
Limit value message/status
Function Block
Signal inversion
Fail-safe behavior
Transducer
Alarm Block
Signaling of
Required maintenance, function check, errors, limits incl. cumulative message
states and events
Logbook Function Block
Registration of
Power on, power off, reset
states and events
State of execution
Navigation through entries
Tab. 4.1:
E-10
Profile for Process Control Devices (function contents)
Description
Assembly
5.1
Package contents and unpacking
Unpack the Transmitter carefully. Check the shipment for transport
damage and completeness.
- This instruction manual
The package should contain:
- Floppy disk with GSD file METT7533.GSD
- Front unit of Transmitter
- Bag containing small parts:
- Short instruction sheet
English
5
- Lower case
1
12
1
Jumper (1 piece)
2
Washer (1 piece): for conduit mounting: Place washer between enclosure
and nut
3
Cable ties (3 pieces)
4
Hinge pin (1 piece): insertable from
either side
11
2
5
Enclosure screws (4 pieces)
10
9
3
6
Sealing inserts (3 pieces)
7
Rubber reducer (1 piece)
8
Cable glands (3 pieces)
9
Filler plugs (3 pieces)
10 Gaskets (3 pieces)
8
11 Hexagon nuts (3 pieces)
12 Sealing plugs (2 pieces): for sealing
in case of wall mounting
7 6
Fig. 5.1
5
4
Assembling the enclosure
Assembly
E-11
5.2
Mounting plan
1 Cable glands (3 pieces)
2 Breakthroughs for cable gland or
conduit 1/2”, ø = 21.5 mm
(2 breakthroughs)
105
144
27
Cable glands and conduit glands not
included!
144
3 Breakthroughs for pipe mounting
(4 breakthroughs)
18
4 Breakthroughs for wall mounting
(2 breakthroughs)
42
84
21
43
1
80
6.2
72
32
3
4
Fig. 5.2
E-12
Mounting plan
Assembly
2
max. 25
78
1 Screws (4 pieces)
2 Gasket (1 piece)
27
3 Panel
4 Span pieces (4 pieces)
English
5 Threaded sleeves (4 pieces)
1
5
4
2
1...22
Fig. 5.3
3
ZU 0275 panel-mount kit, panel cutout 138 x 138 mm (DIN 43700)
1 ZU 0276 protective hood (if required)
40
132
60
1
2
3
4
2 Hose clamps with worm gear drive to
DIN 3017 (2 pieces)
3 Pipe-mount plate (1 piece)
4 For vertical or horizontal posts or
pipes
5 Self-tapping screws (4 pieces)
5
Fig. 5.4
ZU 0274 pipe-mount kit
Assembly
E-13
1 Protective hood
165
132
173
1
Fig. 5.5
E-14
ZU 0276 protective hood for wall and pipe mounting
Assembly
1
6
Installation and connection
6.1
Information on installation
Be sure to observe the technical specifica
tions and input ratings.
English
Installation may only be carried out by
trained experts in accordance with this instruction manual and as per applicable local and national codes.
-
According to the PTB FISCO model, the
limits of the permissible parameter range
must be observed for connection in a hazardous location.
See PROFIBUS Technical Guidelines PNO
Order No.: 2.091
Be sure not to notch the conductor when
stripping the insulation.
For easier installation, the terminal strips are of a plug-in design. The
terminals are suitable for single wires and flexible leads up to 2.5 mm2
(AWG 14).
A special twisted and shielded two-wire cable (e.g. Siemens) is used
as bus cable.
Division 2 wiring
The connections to the Transmitter must be installed in accordance
with the National Electric Code (ANSI-NFPA 70) Division 2 hazardous
(classified) location non-incendive wiring techniques.
Installation and connection
E-15
1 Connection leads PROFIBUS-PA
2 Area for placing the screwdriver to
pull out the terminals
3 Cover for electrode and temperature
probe terminals
1
4 Pulling out the terminal blocks using a
screwdriver
2
5 Recommended stripping lengths for
multi-core cables
7
6 Recommended stripping lengths for
coaxial cables
7 Cable laying in the Transmitter
20
7
3
280
6
4
5
Fig. 6.1
E-16
Information on installation
Installation and connection
Terminal assignments
English
6.2
Fig. 6.2
6.3
Terminal assignments of the Transmitter
Overview of the Transmitter pH 2100 PA
EEx ia IIC
1 Inputs for glass and reference electrode
EEx ia IIC
2 Input for temperature probe
1
3
pH, mV
Sensocheck
2
Temperature
Fig. 6.3
3 PROFIBUS-PA
Transmitter
pH 2100 PA
Inputs and outputs
Installation and connection
E-17
6.4
Fig. 6.4
E-18
pH measurement
pH measurement with monitoring of glass, VP connection
Installation and connection
English
Fig. 6.5
pH measurement with monitoring glass and reference electrode, VP connection
Installation and connection
E-19
Fig. 6.6
E-20
pH measurement with monitoring of glass electrode
Installation and connection
English
Fig. 6.7
pH measurement with monitoring of glass and reference electrode
Installation and connection
E-21
6.5
Fig. 6.8
E-22
ORP measurement
ORP measurement without monitoring of reference electrode
Installation and connection
7
Commissioning
7.1
Checklist
English
Commissioning may only be carried out by
trained experts.
Before commissioning the Transmitter
pH 2100 PA, the following requirements
must be met:
- The device must not show any damage.
- When recommissioning the device after a
repair, a professional routine test in accordance with EN 61010-1 must be performed.
- It must be proved that the intrinsic safety is
maintained when connecting the device to
other equipment.
- It must be ensured that the device is configured in accordance with the connected peripherals.
- All connected voltage and current sources
must correspond to the technical data of the
device.
- The device must only be connected to explosion-proof segment couplers, power
supplies, ...
Commissioning
E-23
8
Operation
8.1
Operation possibilities
Fig. 8.1
System configuration
The Transmitter can be operated as follows:
- using the keypad on the Transmitter
- using an operating tool in the service station
E-24
Operation
8.2
Operation using keypad on the Transmitter
1 Display
2 Mode indicators (no keys)
METTLER TOLEDO
- Measuring mode
English
- Calibration mode
- Alarm
- PROFIBUS-PA
communication
- Configuration mode
1
3 Keypad
4 Coding
5 Model designation
2
6 Rating plate
3
4
6
Fig. 8.2
5
Front view of the Transmitter pH 2100 PA
Operation
E-25
Display
1
2
3 4
5
6
7
20
8
9
10
1
Mode code entry
11 Unit symbol
2
Display of process variable
12 Proceed with enter
3
Temperature
13 Bar for device status
4
Not connected
14 Lower display
5
Limit values
15 Manual temp indicator
Alarm
16 Hold state active
Sensocheck
17 Wait
Calibration
18 Sensor data
11 6
19
7
12 8
13 9
18
Interval/response time
10 Not connected
17 16 15
Fig. 8.3
19 Main display
20 Sensoface
14
Transmitter display
Keypad functions
Change digit
Measurement
Calibration
Configuration
conf
Select digit position
Selected position flashes
E-26
Operation
Prompt in display:
Continue in program sequence
Configuration: Confirm entries, next configuration step
Further key combinations are explained in the
respective function descriptions.
Mode code
After pressing meas and/or cal you can enter one of the following
mode codes to access the designated mode:
conf
8.4
conf, 0000
conf, 1200
cal, 0000
cal, 1015
cal, 1100
cal, 2222
Error Info
Configuration mode
Cal Info
Adjusting temp probe
Calibration mode
Display of electrode potential
Safety functions
Sensocheck, Sensoface electrode monitoring
Hold state
Sensocheck continuously monitors the glass and reference electrodes.
The Hold state is a safety state that is activated in the case of interventions such as configuration and calibration. The Transmitter freezes
the last valid measured value and sends a status message to the control system.
Sensoface provides information on the electrode condition.
The asymmetry potential (zero), slope and response time during calibration are evaluated.
The three Sensoface indicators provide the
user with information about wear and required
maintenance of the electrode.
GainCheck manual device self-test
A display test is carried out, the software version is displayed and the
memory and measured value transfer are checked.
Start GainCheck
manual device self-test
Automatic device self-test
The automatic device self-test checks the memory and measuredvalue transfer. It runs automatically in the background at fixed intervals.
This symbol indicates that the Transmitter is in
the ”Hold” state.
The Hold state is activated by the following mode codes:
- Calibration
- Mode code 1015 = Temp probe adjustment
- Mode code 1100 = Calibration mode
- Mode code 2222 = Display of electrode potential
- Configuration
- Mode code 1200 = Configuration mode
The measured value and Hold are displayed alternately.
• Check whether the measured value is
plausible
• End the Hold state
After 20 sec (for measured value stabilization) the Transmitter returns
to measuring mode.
Operation
E-27
English
8.3
8.5
Mode indicators
Measuring mode
The Transmitter is in measuring mode.
Calibration mode
Calibration mode is active.
Alarm
During an error message the red alarm LED
beneath the display flashes.
The alarm response time is permanently set to 10 sec.
PROFIBUS-PA communication
The Transmitter communicates via PROFIBUS-PA and can be configured from the service station. Measured values, messages and
device identification can be downloaded at
any time. This allows integration in fully automatic process cycles.
Configuration mode
The Transmitter is in configuration mode.
E-28
Operation
8.6
Configuration
In the configuration mode the device parameters are set.
conf
• Activate configuration
English
In the case of an incorrect input ”Err” is displayed for approx. 3 sec. The incorrect parameters cannot be stored. Input must be
repeated.
The following steps must be executed:
• End configuration
• Enter mode code ”1200”
The measured value and Hold are displayed
alternately.
•
• End the Hold state / accept configuration or
Confirm
Welcome text 3 sec
conf
•
repeat configuration
During configuration the Transmitter remains
in the Hold state for reasons of safety.
• Select or edit parameter
• Confirm entries
All configurable parameters are shown in the
table ”Configuration parameters” Pg. 30.
The configuration parameters are checked
during the input.
Operation
E-29
Configuration parameters
Picto-graph
Display
Parameter
Selection/input
Process variable 0.00...14.00 pH
-1500...+1500 mV
Comment
Factory
setting
The selected process variable is shown in the pH
display.
When it is changed, a complete configuration
is required.
Temperature dis- Auto ˚C
play/
Auto ˚F
Temperature
man ˚C
detection
man ˚F
˚C Auto man
˚F Auto man
Temperature
probe
Pt 100
Automatic detection during measurement and Auto ˚C
calibration (temp probe must be connected)
Manual input during measurement and calibration
Automatic detection during
measurement, manual input during calibration
Selection of temperature probe
PT 1000
Pt 1000
NTC 30
BUS EXT
External temp during measurement [˚C]
Manual input during calibration [˚C]
Temperature
probe
xxx.x ˚C
Sensocheck
ON
OFF
E-30
Operation
Input of manual temperature
025.0 ˚C
Sensor monitoring on/off
OFF
xxx.x ˚F
Display
Parameter
Selection/input
Comment
Factory
setting
Calibration
mode:
Mettler-Toledo
Calibration mode:
Automatic with Calimatic
BUF -01-
Buffer set selecMerck Titrisols, Riedel
tion
Fixanals
English
Picto-graph
Ciba (94)
NIST technical buffers
NIST standard buffers
HACH buffers
Customer-specific
buffer solutions
Calibration with manual buffer entry
Direct entry of zero and slope of premeasured
electrodes
Operation
E-31
Picto-graph
Display
Parameter
Calibration mode
Selection/input
Calibration timer 0000 to 9999 h
Comment
Factory
setting
Entry of time interval within which the Trans- 0000 h
mitter is to be calibrated.
With a time interval of 0000 hrs the calibration
timer is not active.
PROFIBUS
device address
Tab. 8.1:
8.7
0001 to 0126
Entry of PROFIBUS address of device.
0126
Be sure that the device is not communicating
via PROFIBUS.
Configuration parameters
Calibration
Calibration procedures (configurable)
- Automatic calibration with Calimatic /
temperature detection automatic or manual
(See Page 33)
- Manual calibration / temperature detection automatic or manual
(See Page 35)
- Data entry of premeasured electrodes
(See Page 37)
- Adjustment of temperature probe (See Page 39)
Information on calibration
You can conduct either a one or a two-point calibration.
The calibration can be carried out with the Calimatic automatic buffer
recognition, with manual buffer input or by entering premeasured electrode data.
All calibration procedures must be performed
by trained personnel.
E-32
Operation
Incorrectly set parameters may go unnoticed,
but change the measuring properties.
The calibration is directly conducted on the
Transmitter.
Calibration via PROFIBUS-PA is not provided.
The response times of the electrode and temperature probe are considerably reduced if the
electrode is first moved about in the buffer solution and then held still.
Automatic calibration with Calimatic (BUF -XX-) /
temperature detection automatic or manual
The automatic calibration mode and the type
of temperature detection must be preset in the
configuration mode. See table 8.6 ”Configuration” Pg. 29
English
The Transmitter can only operate properly
when the buffer solutions used correspond to
the configured set.
Other buffer solutions, even those with the
same nominal values, may demonstrate a different temperature behavior. This leads to
measurement errors.
The following steps must be executed:
During calibration the Transmitter remains in
the Hold state for reasons of safety.
• Activate calibration
In the case of an incorrect input ”Err” is displayed for approx. 3 sec. The incorrect parameters cannot be stored. Input must be
repeated.
• Enter mode code ”1100”
For keypad functions refer to Pg. 26.
•
Confirm
Welcome text 3 sec
During calibration the Transmitter remains in
the Hold state for reasons of safety.
• Remove the electrode and temperature
probe, clean them and immerse them in
the first buffer solution
It does not matter which buffer solution is
taken first.
Operation
E-33
• Enter calibration temperature
Calibration with the first buffer solution is completed.
This step is omitted when automatic cal temp
detection has been selected.
For a one-point calibration, the procedure is
ended at this point.
• Start calibration
• End procedure for one-point calibration
While the hour glass flashes, the electrode
and temperature probe remain in the first
buffer solution.
For one-point calibration: The Transmitter now
shows the old slope in the main display and
the newly determined asymmetry potential of
the electrode related to 25 ˚C in the lower display.
Buffer recognition
For a two-point calibration, you must proceed
with the following steps.
The nominal buffer value is displayed.
Stability check:
The measured mV value is displayed.
• Abort stability check if desired
When the stability check is aborted, calibration
accuracy will be compromised.
E-34
Operation
• Remove the electrode and temp probe
from the first buffer solution and rinse them
thoroughly
• Immerse electrode and temperature probe
in the second buffer solution
• Start calibration
The calibration process runs again as for the
first buffer.
Manual calibration /
temperature detection automatic or manual
For calibration with manual buffer specification, you must enter the pH
value of the buffer solution used in the Transmitter for the proper temperature.
This presetting enables calibration with any desired buffer solution.
After calibration (one- or two-point) is ended,
the following steps must be executed:
The MAN calibration mode and the type of
temperature detection must be preset in the
configuration mode. See table 8.6 ”Configuration” Pg. 29
• Remove the electrode and temperature
probe from the buffer solution, rinse them
thoroughly and reinstall them
• Check whether the measured value is
plausible
The following steps must be executed:
• Activate calibration
• Repeat calibration if required
• Enter mode code ”1100”
• End the Hold state
After 20 sec (for measured value stabilization) the Transmitter returns
to measuring mode.
•
Confirm
Welcome text 3 sec
During calibration the Transmitter remains in
the Hold state for reasons of safety.
l
• Enter calibration temperature and confirm
Operation
E-35
English
Calibration with the second buffer solution is
completed.
The Transmitter shows the newly determined
slope and the asymmetry potential of the electrode related to 25 ˚C.
This step is omitted when automatic cal temp
detection has been selected.
• End procedure for one-point calibration
• Enter the pH value of your buffer solution
for the proper temperature and confirm
For one-point calibration: The Transmitter now
shows the old slope in the main display and
the newly determined asymmetry potential of
the electrode related to 25 ˚C in the lower display.
• Start calibration
For a two-point calibration, you must proceed
with the following steps.
While the hour glass flashes, the electrode
and temperature probe remain in the first
buffer solution.
Stability check:
The measured mV value is displayed.
• Remove the electrode and temp probe
from the first buffer solution and rinse them
thoroughly.
• Immerse electrode and temperature probe
in the second buffer solution
• Abort stability check if desired
• Start calibration
When the stability check is aborted, calibration
accuracy will be compromised.
Calibration with the first buffer solution is completed.
The calibration process runs again as for the
first buffer.
Calibration with the second buffer solution is
completed.
The Transmitter shows the newly determined
slope and the asymmetry potential of the electrode related to 25 ˚C.
For a one-point calibration, the procedure is
ended at this point.
E-36
Operation
Data entry of premeasured electrodes
• Remove the electrode and temperature
probe from the buffer solution, rinse them
thoroughly and reinstall them
• Check whether the measured value is
plausible
• Repeat calibration if required
You can directly enter the values for slope and asymmetry potential
(zero point) of an electrode.
The values must be known, e.g. determined beforehand in the laboratory.
The DAT calibration mode must be preset in
the configuration mode. See table 8.6 ”Configuration” Pg. 29
The following steps must be executed:
• Activate calibration
• End the Hold state
After 20 sec (for measured value stabilization) the Transmitter returns
to measuring mode.
• Enter mode code ”1100”
•
Confirm
Welcome text 3 sec
• Enter asymmetry potential and confirm
• Enter slope and confirm
Operation
E-37
English
After calibration (one- or two-point) is ended,
the following steps must be executed:
The Transmitter shows the new slope and the
asymmetry potential of the electrode related to
25 ˚C.
• Repeat calibration if required
• End the Hold state
• Check whether the measured value is
plausible and repeat adjustment if required
Convert slope [%] to slope [mV/pH] at 25
˚C:
%
mV/pH
Tab. 8.2:
E-38
After 20 sec (for measured value stabilization) the Transmitter returns
to measuring mode.
78
80
82
84
86
88
90
92
94
96
98
100
102
46.2
47.4
48.5
49.7
50.9
52.1
53.3
54.5
55.6
56.8
58.0
59.2
60.4
Slope conversion table at 25 ˚C
Operation
Convert asymmetry potential to electrode zero point:
VAS [mV]
ZERO = 7 S [mV / pH]
Fig. 8.4
ZERO
Electrode zero point
VAS
Asymmetry potential
S
Slope
English
PROFIBUS-PA transmits the slope in mV/pH
and the electrode zero point as pH value.
Conversion formula for electrode zero point
Adjustment of temperature probe
Especially for Pt 100 temperature probes, it is
advisable to perform an adjustment.
The following steps must be executed:
• Activate calibration
• Enter mode code ”1015”
• Measure the temperature of the process
medium using an external thermometer
• Enter the determined temperature value in
the main display
If you take over the temperature value shown
in the lower display, the correction is without
effect.
• Confirm the temperature value
• Check whether the measured value is
plausible
•
Confirm
Welcome text 3 sec
• Repeat temperature adjustment if required
• End the Hold state
After 20 sec (for measured value stabilization) the Transmitter returns
to measuring mode.
Operation
E-39
8.8
Operating tool
For parameter setting, commissioning and diagnostics of the Transmitter via PROFIBUS, we recommend operating tools such as SIMATIC-PDM Version 5 or higher.
8.9
The current device description is included.
Measurement
Measuring mode
Error Info
In the measuring mode the main display shows the configured process
variable and the lower display the temperature.
”Error Info” shows the most recent error message.
conf
The Transmitter returns to measuring mode,
also from configuration or calibration mode
(after a relax time for measured-value stabilization, if required).
• Select function
• Mode code
Cal Info
”Cal Info” shows the asymmetry potential and the slope.
• Select function
• Mode code
•
Confirm
The error message is displayed for approx. 20 sec.
Afterwards, the message will be deleted.
• End ”Error Info”
•
Confirm
The current calibration data are displayed for approx. 20 sec.
• End ”Cal Info”
E-40
Operation
Manual temperature specification
This symbol indicates that the temperature is
manually specified.
English
The measuring temperature is set in the configuration, the calibration
temperature in the calibration.
Operation
E-41
9
Diagnostics
9.1
Sensocheck, Sensoface
Sensocheck continuously monitors the glass and reference electrodes.
Sensocheck can be switched off.
Sensoface provides information on the electrode condition.
The asymmetry potential (zero), slope and response time during calibration are evaluated.
The three Sensoface indicators provide the
user with information about wear and required
maintenance of the electrode.
A friendly Smiley can only be displayed when
Sensocheck has been activated.
The basis for accurate Sensoface indication is
proper calibration.
The worsening of a Sensoface criterion leads
to the devaluation of the Sensoface indicator
(average/poor).
An improvement of the Sensoface indicator
can only take place after calibration or removal
of an electrode defect.
The Sensoface status does not influence the
measured value display.
Sensoface displays
Display
Problem
Electrode response
time
Status
The electrode adjusts slowly to the measured value.
• Clean the electrode
• Soak it in buffer for several hours
• Replace electrode if there is no improvement
The electrode adjusts very slowly to the measured value. Correct measurement is no
longer ensured.
• Replace the electrode
E-42
Diagnostics
Display
Problem
Status
Asymmetry potential
(zero) and slope
Asymmetry potential (zero) and slope of the electrode are still okay, however cleaning is recommended.
English
Asymmetry potential (zero) and/or slope of the electrode have reached values which
no longer ensure proper calibration.
• Replace the electrode
Calibration timer
Over 80 % of the calibration interval have already past.
The calibration interval has been exceeded.
Electrode defect
Tab. 9.1:
9.2
• Check the electrode and its connections
Sensoface display
PROFIBUS-PA limit monitoring
The Transmitter pH 2100 PA is equipped with two limit blocks that can
be separately configured for temperature and/or the process variable.
Configuration is only performed via the bus.
When this symbol is displayed, limit block 2 is
active.
The limit conditions are transmitted cyclically.
Hysteresis, effective direction, on and off delay can be configured.
Limit value setting and output of limit messages is via the PROFIBUS-PA.
When this symbol is displayed, limit block 1 is
active.
Diagnostics
E-43
9.3
Error messages
When one of the following error messages is displayed, the Transmitter can no longer determine the measured value correctly.
The alarm response time is permanently set to 10 sec.
During an error message the red alarm LED
beneath the display flashes.
Error No.
Display (flashing)
Err 01
Problem
pH electrode
The error messages are sorted according to
their priority. A higher-priority message overlays a lower-priority message.
Possible causes
- Electrode defective
- Too little electrolyte in electrode
- Electrode not connected
- Break in electrode cable
- Incorrect electrode connected
- Measured pH value < 0
- Measured pH value > +14
Err 02
Redox electrode
- Electrode defective
- Electrode not connected
- Break in electrode cable
- Incorrect electrode connected
- Measured electrode voltage < -1500 V
- Measured electrode voltage > +1500 V
Err 03
Temperature probe
- Wrong temperature probe connected
- Wrong temperature probe configured
- Open circuit in temperature probe
- Short circuit in temperature probe
- Measured temperature < -20 ˚C
- Measured temperature > +150 ˚C (NTC 30 kΩ : +130 ˚C)
Err 33
Glass electrode
- Glass electrode defective
- Connection cable or electrode cap defective
- Connection terminals or electrode cap dirty
E-44
Diagnostics
Error No.
Display (flashing)
Err 34
Problem
Reference electrode
Possible causes
- Reference electrode defective
- Connection cable or electrode cap defective
- Connection terminals or electrode cap dirty
System error
English
- Jumper between terminal 4 and 5 missing
Err 98
- Memory error in device program (PROM defective)
- Measured value transmission defective
- Configuration or calibration data defective
• Completely reconfigure and calibrate the Transmitter
Err 99
Factory settings
- EEPROM or RAM defective
- Error in factory settings
This error message normally should not occur as the data are protected from
loss by multiple safety functions.
• Should it nevertheless occur, send in the Transmitter for repair
Tab. 9.2:
Error messages
Diagnostics
E-45
Calibration error messages
Calibration error messages only occur during
calibration.
Display (flashing)
Problem
Possible causes
Asymmetry potential (zero) - Electrode "worn out"
out of range (± 60 mV)
- Buffer solution contaminated
- Buffer does not belong to configured buffer set
- Temperature probe not immersed in buffer solution (for automatic temperature compensation)
- Wrong buffer temperature set (for manual temperature specification)
- Electrode with nominal zero point ≠ pH 7
Electrode slope out of
range (80-103 %)
- Electrode "worn out"
- Buffer solution contaminated
- Buffer does not belong to configured buffer set
- Temperature probe not immersed in buffer solution (for automatic temperature compensation)
- Wrong buffer temperature set (for manual temperature specification)
- Electrode used has different nominal slope
Problems during recognition of the buffer solution
- Same or similar buffer solution was used for both calibration steps
- Buffer solution used does not belong to buffer set currently configured in the Transmitter
- During manual calibration the buffer solutions were not used in the specified order
- Buffer solutions contaminated
- Wrong buffer temperature set (for manual temperature specification)
- Electrode defective
- Electrode not connected
- Electrode cable defective
E-46
Diagnostics
Display (flashing)
Problem
Possible causes
English
Calibration was canceled - Electrode defective
after approx. 2 minutes,
- Electrode dirty
because the electrode drift
- No electrolyte in the electrode
was too large.
- Electrode cable insufficiently shielded or defective
- Strong electric fields influence the measurement
- Major temperature fluctuation of the buffer solution
- No buffer solution or extremely diluted
Tab. 9.3:
Calibration error messages
Diagnostics
E-47
Display messages and PROFIBUS communication
Failure
ERR SYSTEM
X
X
Error in configuration data,
Gaincheck
2
0001 11xx
Failure
ERR PARAMETERS
X
Err 98
X
Memory error
(RAM, ROM, EPROM)
3
0001 11xx
Failure
ERR MEMORY
X
Err 01
X
pH range violation
(pH electrode)
4
0100 0111
Failure
ERR PH VALUE
X
Err 02
X
mV range violation
(redox electrode)
5
0100 0111
Failure
ERR MV VALUE
X
Err 03
X
Temp range violation
6
0100 0111
Failure
ERR TEMP VALUE
X
Sensocheck
Glass electrode
7
0100 0111
Failure
CHK GLASS EL.
X
Diagnostics
X
(factory setting)
Physical Block (PB)
0001 11xx
Logbook entry
Analog Input status
1
(factory setting)
No. of binary message
(logbook)
Error in factory settings
Text of binary message
For comments
see Pg. 44 through Pg. 47
X
Err 98
Err 33
E-48
Communication via PROFIBUS
LED
Err 99
Cause
Sensoface
Display message
Display pictograph
User interface / display of device
Global status
9.4
Failure
CHK REF. EL.
X
Zero point/
slope
9
0101 00xx
Maintenance
required
CHK ZERO/SLOPE.
X
Response time
of electrode
10
0101 00xx
Maintenance
required
CHK EL. RESPONSE.
X
Calibration timer
Cal prompt
11
0101 00xx
Maintenance
required
CAL REQUIRED
X
Calibration
12
0100 0111
Function
check
CAL RUNNING
X
Configuration
13
0100 0111
Function
check
CONF RUNNING
X
HOLD
14
0100 0111
Function
check
HOLD
X
HI_HI_LIM
FB analysis
mV/mV
15
1000 1110
Limit 1
Bit 1
HI_HI_LIMIT PH
Logbook entry
Diagnostics
E-49
English
0100 0111
(factory setting)
8
(factory setting)
Text of binary message
Physical Block (PB)
Sensocheck
Reference electrode
Global status
Analog Input status
For comments
see Pg. 44 through Pg. 47
LED
X
Communication via PROFIBUS
No. of binary message
(logbook)
Err 34
Cause
Sensoface
Display message
Display pictograph
User interface / display of device
Tab. 9.4:
E-50
HI_LIMIT PH
LO_LIM
FB analysis
mV/mV
17
1000 1001
Limit 1
Bit 3
LO_LIMIT PH
LO_LO_LIM
FB analysis
mV/mV
18
1000 1101
Limit 1
Bit 4
LO_LO_LIMIT PH
HI_HI_LIM
FB temperature
19
1000 1110
Limit 2
Bit 1
HI_HI_LIMIT TEMP
HI_LIM
FB temperature
20
1000 1010
Limit 2
Bit 2
HI_LIMIT TEMP
LO_LIM
FB temperature
21
1000 1001
Limit 2
Bit 3
LO_LIMIT TEMP
LO_LO_LIM
FB temperature
22
1000 1101
Limit 2
Bit 4
LO_LO_LIMIT TEMP
Logbook empty
23
Function
Check
LOGBOOK EMPTY
(factory setting)
Limit 1
Bit 2
(factory setting)
1000 1010
Logbook entry
Text of binary message
Physical Block (PB)
16
Global status
Analog Input status
HI_LIM
FB analysis
mV/mV
Display messages and PROFIBUS communication
Diagnostics
Communication via PROFIBUS
No. of binary message
(logbook)
For comments
see Pg. 44 through Pg. 47
LED
Cause
Sensoface
Display message
Display pictograph
User interface / display of device
9.5
Diagnostics functions
Cal Info
• End ”Error Info”
• Select function
Display of electrode potential
• Mode code
•
Confirm
The current calibration data are displayed for approx. 20 sec.
During electrode maintenance it is useful to directly indicate the electrode potential. This allows, for example, to check electrode response
after cleaning.
• Select function
• Enter mode code ”2222”
• End ”Cal Info”
• Confirm
Error Info
”Error Info” shows the most recent error message.
The electrode potential is displayed.
conf
• Select function
• End display mode
• Mode code
•
During electrode potential display the Transmitter is in the Hold state.
Confirm
The error message is displayed for approx. 20 sec.
Afterwards, the message will be deleted.
Diagnostics
E-51
English
”Cal Info” shows the asymmetry potential and the slope.
GainCheck manual device self-test
A display test is carried out, the software version is displayed and the
memory and measured value transfer are checked.
Start GainCheck
manual device self-test
Automatic device self-test
The automatic device self-test checks the memory and measuredvalue transfer. It runs automatically in the background at fixed intervals.
E-52
Diagnostics
10 Maintenance and cleaning
10.1 Maintenance
English
The Transmitter contains no user repairable components.
10.2 Cleaning
To remove dust, dirt and spots, the external surfaces of the Transmitter may be wiped with a soft cloth moistened with water.
A mild household cleaner may also be used if necessary.
Maintenance and cleaning
E-53
E-54
Maintenance and cleaning
11 Appendix
11.1 Product line
Mounting accessories
Model designation
Ref. No.
Accessories
Ref. No.
Transmitter pH 2100 PA for applications in
hazardous and safe areas
52 121 042
ZU 0274 pipe-mount kit
52 120 741
ZU 0275 panel-mount kit
52 120 740
ZU 0276 protective hood
52 120 739
English
Devices
11.2 Specifications
General specifications
Manufacturer / ID
Mettler-Toledo GmbH / METT
Model designation / ID
Transmitter pH 2100 PA / 7533
Applications
pH/mV, ORP and temperature measurement
Appendix
E-55
input
Process variable
pH or mV
(ORP)
Ranges
Glass electrode input
Reference electrode input
pH value
0.00 to +14.00
mV value
-1500 mV to +1500 mV
Input resistance
>0.5 x 10 12 Ω
Input current (20˚C) b
<2 x 10 -12 A
Input resistance
>1 x 10 10 Ω
Input current (20˚C)
Max. cable length
Temperature
Temperature sensor
Glass electrode
a
Resolution
Temperature compensation
-20.0 to +150.0 ˚C / -4 to +302 ˚F
NTC 30 kΩ
-20.0 to +130.0 ˚C / -4 to +266 ˚F
0.1 ˚C / 1 ˚F
a
Automatic
a) Configurable
b) Doubles every 10 K
Accuracy (± 1 count)
pH value
< 0.02
TC: <0.002 pH/K
mV value
< 1 mV
TC: <0.1 mV/K
Temperature
0.5 K (with Pt100 < 1 K, with NTC > 100 ˚C < 1 K)
Monitoring function
mV value
E-56
Appendix
20 m
Pt100 / Pt1000
Manual input
Sensocheck
(can be disabled)
<1 x 10 -10 A
Pt100 / Pt1000 / NTC 30 kΩ
Ranges
Electrode
b
Monitoring of glass and reference electrode
Determination of alarm limits during calibration
Pt100 / Pt1000 / NTC 30 kΩ
Electrode standardization
Calimatic automatic cal- -01- Mettler-Toledo
ibration with buffer sets
-02- Merck-Titrisols, Riedel Fixanals
-03- Ciba (94)
2.00 / 4.01 / 7.00 / 9.21
2.00 / 4.00 / 7.00 / 9.00 / 12.00
2.06 / 4.00 / 7.00 / 10.00
-04- NIST technical buffers
1.68 / 4.00 / 7.00 / 10.01 / 12.46
-05- NIST standard buffers
4.006 / 6.865 / 9.180
-06- HACH buffers
4.00 / 7.00 / 10.18
-07- Customer-specific buffers
2.00 / 4.01 / 7.00 / 10.00
English
Operating modesa
MAN calibration with manual buffer entry
DAT data entry of premeasured electrodes
Calibration timera
Adjustment range
0 to 9999 h
Calibration ranges
Asymmetry potential
±60 mV
Slope
80 to 103 %
Out-of-range conditions Sensoface display message
a) Configurable
Conditions for use
Temperature
Operation
Electromagnetic compatibility
RFI suppression
-20 to +55 ˚C
EN 50 081-2
Immunity to interference
EN 50 082-1, EN 50 082-2
Ingress protection
Enclosure
IP65
Explosion protection
ATEX
II 2(1) G EEx ia IIC T4, FISCO
FM
IS, Class I Div1, Group A, B, C, D T4 FISCO
I / 1[0] / AEx ib [ia] / IIC / T4 FISCO
NI, Class I Div2, Group A, B, C, D T4 NIFW
Parameters and calibration data
> 10 years
Data retention
EEPROM
Appendix
E-57
Construction
Dimensions
Height
144 mm
Width
144 mm
Depth
105 mm
Weight
Approx. 1 kg
Material
PBT (polybutylene terephtalate)
Color
Bluish gray
Assembly
Wall mounting
Post/pipe mounting
Panel mounting
RAL 7031
on pipe with 40 to 60 mm diameter,
on square post with 30 to 45 mm edge length
Cutout to DIN 43 700
Sealed against panel
Electrical connection Cable glands
3 breakthroughs
for included cable glands
2 breakthroughs
for NPT 1/2” or Rigid Metallic Conduit or cable
glands
Display and user interface
Display
LC display, 7-segment
Operation
Operating tool
E-58
Appendix
Measured value display
pH / mV value, temperature
3 Sensoface states
Good / average / poor
5 mode indicators
meas / cal / alarm / online / conf
Alarm LED
Error message
5 keys
meas / cal / up / right / enter
Device description implemented in SIMATIC PDM
Remote interface
Digital communication by current modulation of supply current
Reading of device identification, measured values, status and message
Reading and writing of parameter and configuration data
Protocol
PROFIBUS-PA (DPV 1)
Connection
via segment coupler or link to SPC, PC, PCS
Profile
PNO directive: PROFIBUS-PA,
Profile for Process Control Devices, Version 3.0
Physical
interface
to IEC 1158-2
Address range
1 to 126, factory setting: 126
Supply voltage
English
PROFIBUS-PA
communication
FISCO bus supply: 9 to 17.5 V
Linear barrier: (9 to 24 V)
Current consumption
< 12.7 mA
Max. current in case of fault
(FDE)
< 21.4 mA
Appendix
E-59
11.3 ATEX EC-Type-Examination Certificate
E-60
Appendix
English
Appendix
E-61
E-62
Appendix
English
Appendix
E-63
11.4 Declaration of Conformity
Declaration of conformity
Konformitätserklärung
Déclaration de conformité
We/Wir/Nous
0820
Mettler-Toledo GmbH, Process Analytics
Im Hackacker 15
8902 Urdorf
Switzerland
declare under our sole responsibility that the product,
erklären in alleiniger Verantwortung, dass dieses Produkt,
déclarons sous notre seule responsabilité que le produit,
Description
Beschreibung/Description
pH 2100 PA
to which this declaration relates is in conformity with the following standard(s) or other
normative document(s).
auf welches sich diese Erklärung bezieht, mit der/den folgenden Norm(en) oder
Richtlinie(n) übereinstimmt.
auquel se réfère cette déclaration est conforme à la (aux) norme(s) ou au(x)
document(s) normatif(s).
Explosionsschutzrichtlinie
Explosion Protection / Protection contre les explosions
94/9/EG
Prüf- und Zertifizierungsstelle ZELM
ZELM 00 ATEX 0032
D-38124 Braunschweig, ZELM 0820
EMC Directive/EMV-Richtlinie
Directive concernant la CEM
89/336/EWG
SR 734.5, VEMV
Low-voltage directve/Niederspannungs-Richtlinie/
Directive basse tension
73/23/EWG
SR 734.26, NEV
Norm/Standard/Standard
Place and Date of issue
Ausstellungsort / - Datum
Lieu et date d’émission
EN 50 014:
EN 50 020:
DIN EN 50 081-1
DIN EN 50 082-2
DIN EN 61326
DIN EN 61326 / A1
EN 60529 / 10.91
EN 61010 Teil 1 / 03.93
EN 61010-1/ A2 / 07.95
/ VDE 0839 Teil 81-1:
/ VDE 0839 Teil 82-1:
/ VDE 0843 Teil 20:
/ VDE 0843 Teil 20 / A1:
/ VDE 0470 Teil 1:
/ VDE 0411 Teil 1:
/ VDE 0411 Teil 1 / A1:
1997
1994
1993-03
1996-02
1998-01
1999-05
1992-11
1994-03
1996-05
Urdorf, August 2, 2004
Mettler-Toledo GmbH, Process Analytics
Waldemar Rauch
General Manager PO Urdorf
Artikel Nr.: 52960164 KE
E-64
Appendix
Christian Zwicky
Head of Marketing
Dateiname: 52960164KE-2100-PA-Internet-2.doc
Version b
11.5 FM Control Drawing
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Appendix
E-65
E-66
Appendix
11.6 Buffer tables
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
Tab. 11.1:
pH
2.03
2.02
2.01
2.00
2.00
2.00
1.99
1.99
1.98
1.98
1.98
1.98
1.98
1.99
1.99
2.00
2.00
2.00
2.00
2.00
4.01
4.01
4.00
4.00
4.00
4.01
4.01
4.02
4.03
4.04
4.06
4.08
4.10
4.13
4.16
4.19
4.22
4.26
4.30
4.35
˚C
7.12
7.09
7.06
7.04
7.02
7.00
6.99
6.98
6.97
6.97
6.97
6.98
6.98
6.99
7.00
7.02
7.04
7.06
7.09
7.12
9.52
9.45
9.38
9.32
9.26
9.21
9.16
9.11
9.06
9.03
8.99
8.96
8.93
8.90
8.88
8.85
8.83
8.81
8.79
8.77
BUF -01- Knick / Mettler Toledo
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
a) Interpolated
Tab. 11.3:
˚C
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
Tab. 11.2:
pH
2.04
2.09
2.07
2.08
2.09
2.08
2.06
2.06
2.07
2.06
2.06
2.05
2.08
2.07 a
2.07
2.04 a
2.02
2.03 a
2.04
2.05 a
4.00
4.02
4.00
4.00
4.01
4.02
4.00
4.01
4.02
4.03
4.04
4.05
4.10
4.10 a
4.11
4.13 a
4.15
4.17 a
4.20
4.22 a
7.10
7.08
7.05
7.02
6.98
6.98
6.96
6.95
6.94
6.93
6.93
6.91
6.93
6.92 a
6.92
6.92 a
6.93
6.95 a
6.97
6.99 a
10.30
10.21
10.14
10.06
9.99
9.95
9.89
9.85
9.81
9.77
9.73
9.68
9.66
9.61 a
9.57
9.54 a
9.52
9.47 a
9.43
9.38 a
BUF -03- Ciba (94) (Nominal values: 2.06; 4.00; 7.00; 10.00)
pH
2.01
2.01
2.01
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.01
2.01
2.01
2.01
2.01
2.01
4.05
4.04
4.02
4.01
4.00
4.01
4.01
4.01
4.01
4.01
4.00
4.00
4.00
4.00
4.00
4.00
4.00
4.00
4.00
4.00
7.13
7.07
7.05
7.02
7.00
6.98
6.98
6.96
6.95
6.95
6.95
6.95
6.96
6.96
6.96
6.96
6.97
6.98
7.00
7.02
BUF -02- Merck Titrisols, Riedel Fixanals
9.24
9.16
9.11
9.05
9.00
8.95
8.91
8.88
8.85
8.82
8.79
8.76
8.73
8.72
8.70
8.68
8.66
8.65
8.64
8.64
12.58
12.41
12.26
12.10
12.00
11.88
11.72
11.67
11.54
11.44
11.33
11.19
11.04
10.97
10.90
10.80
10.70
10.59
10.48
10.37
˚C
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
Tab. 11.4:
pH
1.67
1.67
1.67
1.67
1.68
1.68
1.68
1.69
1.69
1.70
1.71
1.72
1.72
1.73
1.74
1.75
1.77
1.78
1.79
1.81
4.00
4.00
4.00
4.00
4.00
4.00
4.02
4.03
4.03
4.05
4.06
4.08
4.09
4.10
4.13
4.14
4.16
4.18
4.21
4.23
7.12
7.09
7.06
7.04
7.02
7.00
6.99
6.98
6.98
6.98
6.97
6.97
6.97
6.98
6.99
7.01
7.03
7.05
7.08
7.11
10.32
10.25
10.18
10.12
10.06
10.01
9.97
9.93
9.89
9.86
9.83
9.83
9.83
9.83
9.83
9.83
9.83
9.83
9.83
9.83
13.42
13.21
13.01
12.80
12.64
12.46
12.30
12.13
11.99
11.84
11.71
11.57
11.45
11.45
11.45
11.45
11.45
11.45
11.45
11.45
BUF -04- NIST technical buffers
Appendix
E-67
English
˚C
˚C
˚C
pH
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
Tab. 11.5:
4.010
4.004
4.000
3.999
4.001
4.006
4.012
4.021
4.031
4.043
4.057
4.071
4.087
4.109
4.126
4.145
4.164
4.185
4.205
4.227
6.984
6.951
6.923
6.900
6.881
6.865
6.853
6.844
6.838
6.834
6.833
6.834
6.836
6.841
6.845
6.852
6.859
6.868
6.877
6.886
BUF -05- NIST standard buffers
9.464
9.395
9.332
9.276
9.225
9.180
9.139
9.102
9.068
9.038
9.011
8.985
8.962
8.942
8.921
8.903
8.885
8.868
8.850
8.833
Tab. 11.6:
˚C
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
Tab. 11.7:
E-68
Appendix
pH
0
4.00
7.14
10.30
5
4.00
7.10
10.23
10
4.00
7.04
10.11
15
4.00
7.04
10.11
20
4.00
7.02
10.05
25
4.01
7.00
10.00
30
4.01
6.99
9.96
35
4.02
6.98
9.92
40
4.03
6.98
9.88
45
4.05
6.98
9.85
50
4.06
6.98
9.82
55
4.07
6.98
9.79
60
4.09
6.99
9.76
65
4.09 a
6.99 a
9.76 a
70
4.09 a
6.99 a
9.76 a
a
a
75
4.09
6.99
9.76 a
80
4.09 a
6.99 a
9.76 a
a
a
85
4.09
6.99
9.76 a
90
4.09 a
6.99 a
9.76 a
a
a
95
4.09
6.99
9.76 a
a) Values complemented (buffer values up to 60 ˚C as specified by Bergmann & Beving
Process AB)
BUF -06- HACH buffers (Nominal values: 4.00; 7.00; 10.18)
ST 1
ST 2
2.03
2.02
2.01
2.00
2.00
2.00
1.99
1.99
1.98
1.98
1.98
1.98
1.98
1.99
2.00
2.00
2.00
2.00
2.00
2.00
ST 3
4.01
4.01
4.00
4.00
4.00
4.01
4.01
4.02
4.03
4.04
4.06
4.08
4.10
4.13
4.16
4.19
4.22
4.26
4.30
4.35
ST 5
7.12
7.09
7.06
7.04
7.02
7.00
6.99
6.98
6.97
6.97
6.97
6.98
6.98
6.99
7.00
7.02
7.04
7.06
7.09
7.12
BUF -07- Customer-specific buffer solutions
10.65
10.52
10.39
10.26
10.13
10.00
9.87
9.74
9.61
9.48
9.35
11.7 Glossary
The voltage which a pH electrode provides at a pH of 7. The
asymmetry potential is different for each electrode and changes
with age and wear.
Buffer set
Contains selected buffer solutions which can be used for automatic calibration with the Calimatic. The buffer set must be selected prior to the first calibration.
Buffer solution
Solution with an exactly defined pH value for calibrating a pH
meter.
Electrode
A pH electrode system consists of a glass and a reference electrode. If they are combined in one body, they are referred to as
combination electrode.
English
Asymmetry potential
Electrode slope
See slope
Electrode zero point
pH value at which the pH electrode outputs the voltage 0 mV.
The zero point is different for each electrode and changes with
age and wear.
FISCO Model (Fieldbus Intrinsically Safe Concept)
Calibration
Adjustment of the pH meter to the current electrode characteristics. The asymmetry potential and slope are adjusted. Either
a one- or two-point calibration can be carried out. With onepoint calibration only the asymmetry potential (zero point) is adjusted.
Calibration buffer set
See buffer set
Calimatic
Automatic buffer recognition. Before the first calibration, the
buffer set used must be activated once. The patented Calimatic
then automatically recognizes the buffer solutions used during
calibration.
Combination electrode
Combination of glass and reference electrode in one body.
Permits connection of several devices to a common bus line
and defines limit values for device and cable parameters.
This model developed by the German PTB assumes that only
one ”active” device, i.e. the bus supply is connected to the field
bus. All other devices are ”passive” with regard to the power
supply into the bus.
Within the defined limits, the line characteristics have no influence on the intrinsic safety.
GainCheck
Device self-test which runs automatically in the background at
fixed intervals. The memory and measured-value transmission
are checked. You can also start the GainCheck manually. Then
a display test is also conducted and the software version displayed.
GSD file (device database file)
Contains the communication parameters of slave devices. During commissioning it is loaded and installed in the process control system.
Appendix
E-69
Limit values
Sensoface
The Transmitter pH 2100 PA provides two limit blocks which
can be assigned to the process variables pH/mV or ˚C. The limit
conditions are cyclically transmitted via PROFIBUS. Hysteresis, effective direction, on and off delay can be configured via
the PROFIBUS.
Provides information on the electrode condition.
SIMATIC-PDM
A link collects the transmission data from the segment couplers
and sends them in blocks to the control system.
Slope
Tool developed by Siemens for projecting, configuring, commissioning and diagnostic of smart process analyzers. The device description for the Transmitter pH 2100 PA is implemented
in the SIMATIC-PDM.
Link
Mode code
Preset four-digit number to select certain modes.
One-point calibration
Calibration with which only the asymmetry potential (zero point)
is taken into account. The previous slope value is retained. Only
one buffer solution is required for a one-point calibration.
PROFIBUS-DP (decentralized peripherals)
Standardized specification (EN 50 170) of an open fieldbus
system for binary and analog signals of sensors and actuators.
It has been designed for high-speed data exchange at the device level.
PROFIBUS-PA (process automation)
Open fieldbus standard for process automation. It makes use of
the transmission technology to IEC 1158-2 approved for operation in hazardous locations, which at the same time allows the
field devices to be powered over the bus.
Response time
Time from the start of calibration to the stabilization of the electrode potential.
Sensocheck
Sensocheck continuously monitors the glass and reference
electrodes.
E-70
Appendix
Is indicated in % of the theoretical slope (59.2 mV/pH at 25 ˚C).
The electrode slope is different for each electrode and changes
with age and wear.
Two-point calibration
Calibration with which the electrode asymmetry potential (zero
point) and slope are determined. Two buffer solutions are required for two-point calibration.
Zero point
See electrode zero point
12 Index
A
Accuracy, E-56
Cleaning
Adjusting temp probe, E-39
Commissioning, E-23
Analog Input (AI) Function Block, E-10
Conditions for use, E-57
Applications, E-55
Configuration, E-29
Assembly
Connection, E-15
Enclosure, E-11
Panel-mount kit (ZU 0275), E-13
Examples, E-18, E-19, E-20, E-21, E-22
Lines, E-16
Pipe-mount kit (ZU 0274), E-13
Construction, E-58
Protective hood (ZU 0276), E-14
Control Transducer Block, E-9
Transmitter, E-12
Converting asymmetry potential, E-39
Asymmetry potential
Converting, E-39
B
Buffer tables, E-67
English
Transmitter, E-53
Converting slope, E-38
D
Declaration of Conformity, E-64
Device description, E-7
Device self-test
C
Cal Info, E-40, E-51
Calibration, E-32
Automatic
With automatic calibration temp detection, E-33
Manual
Automatic, E-27, E-52
Manual, E-27, E-52
Diagnostics functions, E-51
Discrete Input (DI) Function Block, E-10
Display, E-26
Display electrode potential, E-51
Data entry, E-37
Display messages and PROFIBUS communication, E-48
With automatic calibration temp detection, E-35
Division 2 wiring, E-15
Sensoface, E-42
Calibration error message, E-46
Certificate of Conformity, E-60
E
Electrode standardization, E-57
Error Info, E-40, E-51
Index
E-71
Error message, E-44
Calibration, E-46
Explosion protection, E-4
N
Notes
Installation, E-15
This instruction manual, E-3
F
FM Control Drawing, E-65
G
GainCheck, E-27, E-52
H
Hold state, E-27
I
Installation, E-15
O
Operating tool, E-40
Operation possibilities, E-24
ORP measurement, E-22
P
Packing list, E-11
Panel-mount kit (ZU 0275), E-13
pH measurement, E-18, E-19, E-20, E-21
Physical Block (PB), E-9
K
Keypad functions, E-26
L
Limit monitoring
PROFIBUS-PA, E-43
Logbook Function Block, E-10
Pipe-mount kit (ZU 0274), E-13
Process variable
Configuring, E-30
Product line
Devices, E-55
Mounting accessories, E-55
PROFIBUS
M
Maintenance
Transmitter, E-53
Measurement, E-40
Measuring mode, E-40
Mode code, E-27, E-75
Mode indicators, E-28
Mounting plan, E-12
E-72
Index
Variants, E-5
PROFIBUS technology, E-5
PROFIBUS-PA
Definitions, E-5
Limit monitoring, E-43
Proper use, E-7
Protective hood (ZU 0276), E-14
S
Safety functions, E-27
Safety information, E-4
Sensocheck, E-27, E-42
Sensoface, E-27, E-42
English
Calibration, E-42
Sensor monitoring, E-27
Slope
Converting, E-38
Specifications, E-55
Stripping lengths, E-16
T
Technical features, E-7
Temperature detection
Configuring, E-30
Temperature probe adjustment, E-39
Temperature specification
Manual, E-40, E-41, E-51
Terminal assignments, E-17
Transducer Alarm Block, E-10
Transducer Block (TB), E-9
Transducer Limit Block, E-9
Transfer Transducer Block, E-9
Transmitter pH 2100 PA
Overview, E-17
Type Examination Certificate, E-60
U
Unpacking, E-11
Index
E-73
E-74
Index
Mode Codes
conf
conf, 0000
conf, 1200
Error Info
Configuration mode
cal, 0000
cal, 1015
cal, 1100
cal, 2222
Cal Info
Temp probe adjustment
Calibration mode
Electrode potential
Subject to technical changes.
© Mettler-Toledo GmbH, Process Analytics
06/05 Printed in Switzerland. 52 121 064
Mettler-Toledo GmbH, Process Analytics
Industrie Nord, CH-8902 Urdorf, Switzerland
Phone + 41 44 736 22 11, Fax +41 44 736 26 36