FloBoss 107 Flow Manager
GFC-IS
November 2009
Technical Specifications
ControlWave® Intrinsically Safe Gas Flow
Computer (GFC-IS)
The GFC-IS is delivered in a compact
polycarbonate enclosure that has provisions for a
display/keypad, DP/P/T transducer assembly, and 6
Volt battery/solar power system. The GFC-IS
includes a base API 21.1 flow measurement
application program, 2 user-configurable digital
inputs (DI) or pulse inputs (PI), a DP/P sensor
assembly, an RTD interface, and a shunt regulator
for solar panel charging of an internal, lead acid cell
battery.
The CPU and I/O boards are located behind a
shield in the enclosure and all wiring termination
blocks are on a termination panel. You must wire all
connections from the terminal panel or from the
ISProx board out through a conduit on the right side
of the GFC-IS enclosure in order to preserve the
integrity of the intrinsically-safe rating.
Hardware
ƒ 32-bit ARM9 platform capable of dual-run flow
computing and process automation operations.
ƒ Gauge pressure or DP/P sensor assembly can
be removed and replaced independently of the
electronics.
ƒ Precision RTD interface provides accurate
temperature measurement.
ƒ Low power consumption minimizes costs.
ƒ Two serial communication ports.
ƒ Base I/O includes 2 DI/PI.
ƒ Optional I/O expansion includes 2 DI/DO, 4 DI,
2 DO, 2 High-speed Counter Inputs, and 3 AI
(1-5 V).
ƒ Integral LCD with optional, 25-key keypad
allows operators to view and change
configurable parameters, on site, without
packing a PC.
Application Areas
ControlWave GFC is appropriate to all flow
computer and chart replacements applications,
including:
ƒ
ƒ
ƒ
ƒ
ƒ
Off-shore platforms.
Compressor stations.
Storage facilities.
Transmission metering stations.
Distribution/LDC metering/gate stations.
Communications
The GFC-IS has two built-in RS-232 communication
ports and one RS-485 port. One RS-232 port (Com
1) is factory wired to the LOI port of the bottom of
the GFC-IS enclosure.
Inputs and Outputs
The GFC-IS supports a variety of I/O options. The
base unit includes two I/O ports that are userconfigurable as digital inputs (DI) or pulse inputs
(PI). Additional I/O modules may be added
including:
ƒ
2 DI/DO, 4 DI, 2 DO, 2 HSC, and 3 AI
ƒ
2 DI/DO, 4 DI, 2 DO, and 2 HSC
ƒ
RTD Input
D301635X012
The ControlWave® Intrinsically Safe Gas Flow
Computer (GFC-IS) is an intrinsically-safe
integrated “all in one box” chart replacement. The
intrinsically safe features of the ControlWave GFCIS are designed to prevent sparks or a release of
energy that could ignite a hazardous atmosphere.
The GFC-IS is UL approved as non-incendive for
operation in Class I, Division 1 hazardous areas.
ControlWave Intrinsically Safe
Gas Flow Computer
Remote Automation Solutions
www.EmersonProcess.com/Remote
GFC-IS
November 2009
Technical Specifications
Display/Keypad
The GFC-IS display is comprised of a four line by
twenty character liquid crystal display with
adjustable contrast. The display allows you to view
and modify variable values and associated status
information via an ACCOL3 Function Block.
Variables include inputs, process variables,
calculated variables, constants, setpoints, tuning
parameters, outputs, and alarm state.
You can input data into the GFC-IS via a 2-button or
25-button keypad. Each key on both keypads has a
microswitch for positive tactile feedback.
IStran
The IStran is the communications interface that
allows the GFC-IS to communicate with devices
located outside of the hazardous area. The IStran
provides 500 V dc isolation between the two
devices, and also allows the GFC-IS to receive
power from outside the hazardous location. The
IStran allows the GFC-IS to control power to a radio
or modem located outside the Division 1 area, and
operates at up to 19200 bps.
ISProx
The Intrinsically Safe Proximity Sensor Interface
(ISProx) provides an intrinsically safe interface to
one or two variable impedance proximity sensors
(NAMUR Gap Sensors). The ISProx conditions and
converts incoming signals to open drain outputs
(DOs) which in turn drive digital inputs (DIs) or highspeed counter inputs (HSCs).
TeleCounter
The TeleCounter is an optional pulse counting
device and odometer. The integrated TeleCounter
assembly directly mounts to a rotary positive
displacement meter, and is mounted to the bottom
of the GFC-IS enclosure by a water tight gasket.
The TeleCounter can be configured to accept a
clockwise or counterclockwise turbine meter shaft
rotation with index rates of 1, 5, 10, 100, 1000
CF/Rev or 0.1, 1, 10, 100 M3/Rev.
Firmware/Software Features
ControlWave GFC is pre-programmed to meet API
21.1 requirements for a two-run metering station
with networking via BSAP or Modbus. PC web style
menu pages are pre-configured for all user
operations.
ControlWave Designer is an IEC 61131-3
programming environment that allows you to modify
the base application or create a completely
customized program. ControlWave Designer
includes an extensive library of more than 200 basic
IEC 61131-3 functions and function blocks common
to many IEC 61131-3 based products.
In addition to the basic functions and function
blocks, ControlWave Designer includes the ACCOL
III function block library. This library includes over
sixty function blocks that are valuable for use in oil &
gas and process measurement & control
applications. The ACCOL III function block library is
designed to take full advantage of the significant
features offered by the ControlWave GFC-IS.
Data Integrity
The GFC-IS ensures data integrity, in the event of a
communication interruption, by storing critical timestamped alarm and historical data in the controller
memory. This data is then retrieved when
communication is restored.
Sensor Assembly
Using the sensor assembly integrated in the
instrument package is the easiest implementation
for a single meter run; however, the base
application program also allows use of external
transmitters, with or without the integrated sensor
assembly.
Most two-run systems use the integrated sensor
assembly for the first run and three 1-5 V
transmitters for the second run.
Mounting
The GFC-IS can be remotely mounted on a wall, a
panel, or a two-inch pipe. It can also be mounted
directly on the pipeline by utilizing a manifold block.
Options
The GFC-IS supports the following:
ƒ
Integral, Bristol gauge pressure or multivariable
(MVT), DP/P sensor assembly and upper range
limits.
ƒ
Bendable RTD assembly, pre-wired.
ƒ
Thermowell.
ƒ
I/O card, including 2 DI/DO, 4 DI, 2 DO and 2
HSC/DI and, optionally, an additional 3 AI, 1
AO.
ƒ
Choice of integral, battery and solar power
systems.
ƒ
ƒ
Stainless steel manifold adapters.
A mounting bracket which affixes to the neck of
the housing and allows installation on a wall or
2” pipe.
RS-232 interface PC cables are available in
either 10 Ft. or 25 Ft lengths.
6 Volt IS solar panel.
ƒ
ƒ
GFC-IS
Page 3
Technical Specifications
ControlWave GFC-IS
Processor
Type
32-bit 14 MHz ARM9TDMI RISC Core Processor.
Memory
Boot Flash
512KB.
Holds boot/download code and soft switch configuration parameters.
Flash
8MB.
SRAM (External)
2MB battery backed.
Time Functions
Clock
Serial real time clock accurate to 1 second/day at 25 ºC, battery backed.
Communications
COM1
(this port can only be
connected to the LOI port)
Type
RS-232.
Connector
Physical Interface via 3-pin connector, which is internally linked to
the circular, Alden connector on the bottom of the enclosure door.
Tx, Rx, GND with DCD asserted when external cable is plugged in.
Note: Area must be declassified before making a physical
connection to the Alden connector.
COM2
(this port can only be
connected to an IStran
communications port)
Type
RS-232.
Connector
8-pin terminal block.
Supports RTS, CTS, DTR, DCD and DSR modem control signals.
RS-232 transceivers are enabled by the port’s DTR.
DCD input remains active even when the port is disabled.
Note: Connections must be routed to IStran located in a nonhazardous area (25 foot maximum length).
COM3
(this port can only be
connected to an MVT 3808)
Type
RS-485.
Connector
5-pin terminal block.
Surge Suppression
All communication ports are transorb protected to ±15KV ESD.
Inputs/Outputs
RTD
(interface only)
Type
The greater of ± 0.1 °C, or ± 0.1 % of reading.
Conversion
Accuracy
The greater of ± 0.1 °C, or ± 0.1 % of reading.
Ambient
Temperature
Effect
±0.01°C / ºC max.
Long Term
Stability at
Constant
Conditions
±0.25 °C / month max.
Note: RTD probe interchangeability can add ±0.7°C of uncertainty to the measurement.
GFC-IS
Page 4
Technical Specifications
Pulse/Discrete Inputs
Digital Inputs
Quantity
2.
Type
Non-interrupting inputs.
Maximum Scan
Rate
Once per second
Input Filter
20 microseconds.
Input Current
200 µA nominal at 3.3V per input
Voltage Range
Internally sourced dry contact input - 3.3 Vdc
On State Voltage
>1.86 V
Off State Voltage
<1.5 V
Surge
Suppression
16 V transorb between signal ground
Used as a pulse
input
Frequency
Range
0-10 kHz.
Accumulator
16-bit.
Quantity
Meets ANSI/IEEE C37.90-1978.
6 total: 4 DI and 2 selectable DI or DO.
Note: Total DI points plus DO points cannot exceed eight.
Type
Dry contact.
Maximum Scan
Rate
Once per 250 ms
Input Filter
15 ms
Input current for
DI points 1 – 4
(those that are
DI-only)
Configurable as 60 µA for low power applications or 2 mA nominal at
3.3V per input
Input current for
DI points 5 – 6
(those that are
selectable as DI
or DO)
Configurable as 200 µA for low power applications or 2.2 mA nominal
at 3.3V per input
On State Voltage
>1.6 V
Off State Voltage
<1.3 V
Isolation
None.
Surge
Suppression
30V transorb between signal and ground.
Meets ANSI/IEEE C37.90-1978.
GFC-IS
Page 5
Technical Specifications
Digital Outputs
Quantity
4 total: 2 DO and 2 selectable DI or DO.
Note: Total DI points plus DO points cannot exceed eight.
Counter Inputs
Analog Inputs (optional)
Type
Open Drain MOSFET
Maximum scan
rate
Once per 250 ms.
Operating
Voltage Range
10 Vdc
Maximum load
current
250 mA
Isolation
None
Surge
Suppression
30V transorb between signal and ground.
Quantity
2 also operable as DI points.
Type
Dry contact.
Frequency
Range
Low-Speed
0 – 300 Hz.
High-Speed
0 – 10 kHz.
Input Range
Internally sourced dry contact input.
Input Current
200 µA.
Input Filtering
1 ms or 20 µs.
Accumulator
16 bit.
Maximum Scan
Rate
Once per 250 ms.
Signal
Conditioning
Switch selectable high and low speed input.
On State Voltage
> 1.86 V.
Off State Voltage
< 1.5 V nominal.
Isolation
None.
Surge
Suppression
30 V transorb between signal and ground.
Quantity
3.
Type
Externally sourced. Single–ended inputs, 1–5 V dc
Resolution
14-bit.
Input Impedance
1 MΩ
Input Filtering
12 Hz.
Maximum scan
rate
Once per 250 ms.
Channel Settling
Time
600 ms to be within 0.01% of input signal.
Input accuracy
0.1% of span at 25˚C.
Meets ANSI/IEEE C37.90-1978.
Meets ANSI/IEEE C37.90- 1978.
0.2% of span at 40˚C to 70˚C.
Surge
Suppression
30 V transorb between signal and ground.
Meets ANSI/IEEE C37.90- 1978.
GFC-IS
Page 6
Technical Specifications
Power
Consumption
Base Unit
6 V dc : 10 mA.
Input Voltage Range
Input Voltage Range: 5 V dc to 8.28 Vdc.
Fuses
1.5 A from charge regulator, 0.125 A for battery input.
Surge Suppression
16 V dc transorb between signal and ground.
Meets ANSI/IEEE C37.90- 1978.
Charge regulator
Temperature-compensated charge control with cut-off.
Threshold voltage for shunt at
23ºC
7.2 V for a 6 V battery.
Backup Battery
Backs up Real Time Clock and SRAM.
300 mA-Hour Lithium Coin Cell, 9000 Hour Expected Backup Time.
Power Consumption (keypad)
2.5 mA @ 3.3 V (0.008 watts)
Physical
Dimensions
Sensor
Keypad / Display
Housing
15.77” H x 7.8” W x 9” D.
Clearance
Please allow at least 2.5” space underneath for cabling.
MVT Assembly
(optional)
3” H x 3¾” W x 2½” D.
Mounting
Can be pipe-mounted, wall-mounted, or direct-mounted (in the last
case, Emerson recommends PGI Direct Mount manifold products); a
kit for affixing to a 2” pipe or mast is available.
Diaphragm
Material
316 Stainless Steel.
Fill Medium
DC 200 Silicone.
Flange Material
316 Stainless Steel.
Flange Bolt
Material DP
Units
316 Stainless Steel.
Flange Process
Connections
¼” NPT female.
4 line by 20 character backlit liquid crystal display with adjustable contrast.
2-button or 25-button keypad with membrane keys with tactile feedback.
Self-adhesive overlay mounts to the enclosure door or panel (ControlWave GFC package
is delivered with this assembly installed on the door).
Configuration via ACCOL III Function Block
Dimensions
7.4”H x 5.5”W (18.8cm x 14.4cm)
Window size
1.1” H x 3.1”W (2.8cm x 7.9cm)
Character size
4mm H x 3mm W
GFC-IS
Page 7
Technical Specifications
Wiring
Up to 16 gauge wire size at the terminal block.
Weight
Minimum
10 lbs.
Battery + MVT
Assembly
18.5 lbs.
Maximum with
Radio
20 lbs.
Externally
Powered
-40 to 70ºC (-40 to 158ºF)
With Lead Acid
Batteries
-20 to 60ºC (-4 to 140ºF)
Environmental
Operating Temp
Storage Temp
-40 to 85ºC (-40 to 185ºF)
Operating Humidity:
10 to 95% RH non-condensing
Immunity
In conformity with ENV 50140 Radio-frequency electromagnetic field amplitude modulated
EMC.
Electro-Static Discharge
Meets IEC EN 61000-4-2, EN 61326
Radiated Emissions
EN 55011:1998 Class A ITE emissions requirements (EU); ICES-003 Issue 3 Class A
Digital Apparatus emissions requirements (Canada); AS/NZS3548:1995/ CISPR Class A
ITE emissions requirements (Australia). EN 6100-4-3.
Vibration
Maintains proper operation while subjected to a 2.0g acceleration over 10- 150 Hz and 1.0
g acceleration over 150-2000 Hz (ISA Process Mount).
NEMA Rating
Nema 3R (Nema 4x except with a battery vent)
Approvals
Product Markings for
Hazardous Locations (USA):
Class I Div. 1, Groups C & D.
T3C
GFC-IS
Page 8
Technical Specifications
The following tables detail the model specification for the ControlWave GFC-IS:
Model Number Format: CWM-GFC-1- ABC-D-E-F-G-H-J-K-L-M-N-O-P-Q-R
Differential / Static Pressure Range (When using differential / static pressure, substitute one of these Range
Codes for ABC in model number)
Description
Range Code (ABC)
NO SENSOR
000
150” WC / 1000 PSI
121
150” WC / 2000 PSI
122
150” WC / 500 PSI
123
100” WC / 2000 PSI
132
300” WC / 1000 PSI
141
300” WC / 2000 PSI
142
25 PSI / 2000 PSI
202
25 PSI / 4000 PSI
204
Gauge Pressure Range (When using gage pressure, substitute one of these Range Codes for ABC in model
number)
Description
Range Code (ABC)
300” WC
014
25 PSI
020
100 PSI
022
300 PSI
023
1000 PSI
025
2000 PSI
028
Static Pressure Flange Orientation (Substitute one of these flange codes for D in the model number)
Description
Note
Flange Code (D)
Upstream left
First digit of range code (A) must be 1 or 2.
1
Upstream right
First digit of range code (A) must be 1 or 2.
2
None, correct no counter
First digit of range code (A) must be 0.
3
Counter with index (clockwise)
First digit of range code (A) must be 0.
4
Counter with index
(counterclockwise)
First digit of range code (A) must be 0.
5
GFC-IS
Page 9
Technical Specifications
Model Number Format: CWM-GFC-1- ABC-D-E-F-G-H-J-K-L-M-N-O-P-Q-R
Enclosure (Substitute one of these enclosure codes for E in the model number)
Description
Note
Enclosure Code (E)
2-button
First digit of range code (A) must be 1 or 2.
2
25-button
First digit of range code (A) must be 1 or 2.
3
2-button
First digit of range code (A) must be 0.
5
25-button
First digit of range code (A) must be 0.
6
Mounting Hardware (Substitute one of these mounting hardware codes for F in the model number)
Description
Note
Mounting Hardware Code (F)
Process mount
First digit of range code (A) or mounting kit (P) must be 1 or 2.
0
Pole mount
First digit of range code (A) or mounting kit (P) may be 0, 1, or 2.
1
Processor (Substitute one of these processor codes for G in the model number)
Description
Processor Code (G)
2
14 MHz CPU 5.4 to 8 Vdc powered, Intrinsic rated. Includes 10 kHz counter and RS 485 port.
Application Program (Substitute one of these program codes for H in the model number)
Description
Note
No application
Unit ships from factory without an application
Program Code (H)
0
Base 2-Run
measurement application
1
TeleFlow Emulator
3
Power System (Substitute one of these power system codes for J in the model number)
Description
Note
Power System Code (J)
External
Unit ships from factory without a power system. Adding an external
power supply does not meet UL intrinsically safe certification.
1
6V, 7AH lead acid
battery with 1W, 6V solar
panel system
This is an intrinsically safe system as it ships from the factory. You
cannot substitute other third-party batteries/solar panels without
voiding UL intrinsically safe certification.
4
6V, 7AH lead acid
battery with 6W, 6V solar
panel system
This is an intrinsically safe system as it ships from the factory. You
cannot substitute other third-party batteries/solar panels without
voiding UL intrinsically safe certification.
5
GFC-IS
Page 10
Technical Specifications
Model Number Format: CWM-GFC-1- ABC-D-E-F-G-H-J-K-L-M-N-O-P-Q-R
RTD (Substitute one of these RTD codes for K in the model number)
Description
Note
RTD Code (K)
No RTD included
Sealed plug in space for RTD
0
12 in bendable RTD with
6 ft cable length
Bendable RTD must be used with a thermowell.
1
12 in bendable RTD with
15 ft cable length
Bendable RTD must be used with a thermowell.
2
12 in bendable RTD with
25 ft cable length
Bendable RTD must be used with a thermowell.
3
Thermowell (Substitute one of these thermowell codes for L in the model number)
Note: A thermowell is required to prevent possible RTD blowout due to pipeline pressure.
Description
Note
Thermowell Code (L)
None
This option applies only if thermowell is already installed or will be
supplied from another source.
0
2.5 in insertion length
316 SS thermowell
1
4.5 in insertion length
316 SS thermowell
2
7.5 in insertion length
316 SS thermowell
3
I/O (Substitute one of these I/O codes for M in the model number)
Description
Note
I/O Code (M)
None
No I/O
0
2 DI/DO, 4 DI, 2 DO, 2
HSC
2 DI/DO, 4 DI, 2 DO, 2 HSC
1
2 DI/DO, 4 DI, 2 DO, 2
HSC, 3 AI
2 DI/DO, 4 DI, 2 DO, 2 HSC, 3 Ai
2
IStran (Intrinsically Safe Communication Interface) (Substitute one of these IStran codes for N in the model
number)
Description
IStran Code (N)
None / ISTRAN Ready
0
ISTRAN installed
1
GFC-IS
Page 11
Technical Specifications
Model Number Format: CWM-GFC-1- ABC-D-E-F-G-H-J-K-L-M-N-O-P-Q-R
ISProx (Intrinsically Safe Proximity Sensor Interface Board) (Substitute one of these ISProx codes for O in
the model number)
Description
Note
ISProx Code (O)
None
No ISProx installed.
0
ISProx installed and
connected to CPU HSC
Flange code (D) must be 1, 2, or 3.
1
ISProx installed and
connected to CPU HSC
Input 2
Flange code (D) must be 4 or 5.
1
ISProx installed and
connected to process I/O
terminal “LS”
Flange code (D) must be 4 or 5.
2
Mounting Kit (Substitute one of these mounting kit codes for P in the model number)
Description
Note
Mounting Kit Code (P)
None
Mounting hardware code (F) must be 0 or 1
0
Standard (Rockwell, Roots
type)
Mounting hardware code (F) must be 0
1
American Meter Type
Mounting hardware code (F) must be 0
2
Digit Blanking (Substitute one of these digit blanking codes for Q in the model number)
Description
Digit Blanking Code (Q)
None
0
st
1 digit (tenths)
nd
2
1
digit (ones)
2
rd
3 digit (tens)
3
Meter Index Rate (Substitute one of these meter index rate codes for R in the model number)
Description
Meter Index Rate Code (R)
None
0
1 CF/REV
1
5 CF/REV
2
10 CF/REV
3
100 CF/REV
4
1000 CF/REV
5
3
0.1 M /REV
3
6
1 M /REV
7
3
8
10 M /REV
3
100 M /REV
9
Technical Specifications
GFC-IS
Page 12
Bristol, Inc., Bristol Canada, BBI SA de CV and Emerson Process Management Ltd, Remote Automation Solutions division (UK), are wholly
owned subsidiaries of Emerson Electric Co. doing business as Remote Automation Solutions (“RAS”), a division of Emerson Process
Management. FloBoss, ROCLINK, Bristol, Bristol Babcock, ControlWave, TeleFlow and Helicoid are trademarks of RAS. AMS, PlantWeb and
the PlantWeb logo are marks of Emerson Electric Co. The Emerson logo is a trademark and service mark of the Emerson Electric Co. All
other marks are property of their respective owners.
The contents of this publication are presented for informational purposes only. While every effort has been made to ensure informational
accuracy, they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein
or their use or applicability. RAS reserves the right to modify or improve the designs or specifications of such products at any time without
notice. All sales are governed by RAS’ terms and conditions which are available upon request. RAS does not assume responsibility for the
selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any RAS product remains solely
with the purchaser and end-user.
Emerson Process Management
Remote Automation Solutions
Watertown, CT 06795 U.S.A.
Mississauga, ON L4V 1H3 Canada
Worcester WR3 8YB UK
© 2009 Remote Automation Solutions, division of Emerson Process Management. All rights reserved.
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