Brooks Instrument 0154 User manual

Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008 Brooks®Models 0152/0154
5
Gas and Liquid Mass Flow
Secondary Electronics
Brooks Model 0154
Four Channel Read Out
Table Top Housing

Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
Brooks®Models 0152/0154
ESD (Electrostatic Discharge)
Essential Instructions
Read this page before proceeding!
Brooks Instrument designs, manufactures and tests its products to meet many national and international standards. Because
these instruments are sophisticated technical products, you must properly install, use and maintain them to ensure they
continue to operate within their normal specifications. The following instructions must be adhered to and integrated into your
safety program when installing, using and maintaining Brooks Products.
• Read all instructions prior to installing, operating and servicing the product. If this instruction manual is not the correct
manual, please see back cover for local sales office contact information. Save this instruction manual for future reference.
• If you do not understand any of the instructions, contact your Brooks Instrument representative for clarification.
• Follow all warnings, cautions and instructions marked on and supplied with the product.
• Inform and educate your personnel in the proper installation, operation and maintenance of the product.
• Install your equipment as specified in the installation instructions of the appropriate instruction manual and per applicable
local and national codes. Connect all products to the proper electrical and pressure sources.
• To ensure proper performance, use qualified personnel to install, operate, update, program and maintain the product.
• When replacement parts are required, ensure that qualified people use replacement parts specified by Brooks Instrument.
Unauthorized parts and procedures can affect the product's performance and place the safe operation of your process at
risk. Look-alike substitutions may result in fire, electrical hazards or improper operation.
• Ensure that all equipment doors are closed and protective covers are in place, except when maintenance is being
performed by qualified persons, to prevent electrical shock and personal injury.
HandlingProcedure:
1. Power to unit must be removed.
2. Personnel must be grounded, via a wrist strap or other safe, suitable means before any printed circuit card or other internal
device is installed, removed or adjusted.
3. Printed circuit cards must be transported in a conductive container. Boards must not be removed from protective enclosure
until immediately before installation. Removed boards must immediately be placed in protective container for transport,
storage or return to factory.
Comments
This instrument is not unique in its content of ESD (electrostatic discharge) sensitive components. Most modern electronic
designs contain components that utilize metal oxide technology (NMOS, SMOS, etc.). Experience has proven that even small
amounts of static electricity can damage or destroy these devices. Damaged components, even though they appear to function
properly, exhibit early failure.

Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008 Brooks®Models 0152/0154
Dear Customer,
We appreciate this opportunity to service your flow measurement and control requirements with a Brooks
Instrument device. Every day, flow customers all over the world turn to Brooks Instrument for solutions to their gas
andliquid low-flowapplications. Brooks providesan arrayof flowmeasurement andcontrol productsfor various
industries from biopharmaceuticals, oil and gas, fuel cell research and chemicals, to medical devices, analytical
instrumentation,semiconductor manufacturing,and more.
TheBrooks productyou havejust receivedis ofthe highestquality available,offering superiorperformance,
reliability and value to the user. It is designed with the ever changing process conditions, accuracy requirements
and hostile process environments in mind to provide you with a lifetime of dependable service.
We recommend that you read this manual in its entirety. Should you require any additional information
concerning Brooks products and services, please contact your local Brooks Sales and Service Office listed on the
back cover of this manual or visit www.BrooksInstrument.com
Yours sincerely,
Brooks Instrument

Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
Brooks®Models 0152/0154
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Contents
Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008 Models 0152 / 0154
Paragraph Page
Number Number
Section 1 Introduction
1-1 Description ....................................................................................................................................... 1-1
1-2 Specifications ................................................................................................................................... 1-2
1-3 Optional Equipment .......................................................................................................................... 1-7
1-3-1 Connecting Flomega Series ............................................................................................................. 1-7
1-3-2 Connecting Mass Flow and Pressure Series.................................................................................... 1-7
1-3-3 Connecting Smart Series ................................................................................................................. 1-7
1-3-4 Connecting QUANTIM...................................................................................................................... 1-8
1-3-5 Connecting RS-232 Communication ................................................................................................ 1-8
1-4 Certifications..................................................................................................................................... 1-8
Section 2 Installation
2-1 General............................................................................................................................................. 2-1
2-2 Receipt of Equipment ....................................................................................................................... 2-1
2-3 Recommended Storage Practice...................................................................................................... 2-1
2-4 Return Shipment .............................................................................................................................. 2-2
2-5 Transit Precautions .......................................................................................................................... 2-2
2-6 Removal from Storage...................................................................................................................... 2-2
2-7 Dimensions of the Enclosures.......................................................................................................... 2-2
2-8 Ventilation and Mounting Requirements ........................................................................................... 2-3
2-9 Cleaning Instructions ........................................................................................................................ 2-3
2-10 Cable Requirements......................................................................................................................... 2-3
2-11 Connector Pinning ............................................................................................................................ 2-4
2-12 Jumper Settings and Functions........................................................................................................ 2-7
2-13 Adjustments of LCD Contrast and 5 V Reference............................................................................ 2-8
Section 3 Operation
3-1 General............................................................................................................................................. 3-1
3-2 Description of Keys .......................................................................................................................... 3-1
3-3 Start Up Screens .............................................................................................................................. 3-3
3-4 Changing the Active Channel ........................................................................................................... 3-3
3-5 Changing the Setpoint Value ............................................................................................................ 3-4
3-6 Using the Blending Mode ................................................................................................................. 3-4
3-7 Using the Valve Control Function ..................................................................................................... 3-6
3-8 Using the Remote Function.............................................................................................................. 3-7
3-9 Menu ................................................................................................................................................ 3-8
Section 4 Operation (Via Personal Computer)
4-1 Operation (Via Personal Computer) ................................................................................................. 4-1
Appendix A Engineering Units
Available Engineering Units..............................................................................................................A-1
Appendix B Blending Examples
Examples 1 through 6 ......................................................................................................................B-1

ii
Contents Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
Models 0152 / 0154
Appendix C CE Certification
CE Certification of Mass Flow Equipment ........................................................................................C-1
Warranty, Local Sales/Service Contact Information....................................................................... Back Cover
Figures
Figure Page
Number Number
1-1 Dimensions Table Top Models 0152/0154 ........................................................................................ 1-3
1-2 Dimensions Panel Mount Models 0152/0154 ................................................................................... 1-3
1-3 Dimensions of 1/2 19" Cassette ....................................................................................................... 1-4
1-4 Mounting of 1/2 19" Cassette into 19" Rack ..................................................................................... 1-4
1-5 Mounting of Panel Mount Unit with Dimensions for the Panel Cut-Out ............................................ 1-5
1-6 Electrical Configuration .................................................................................................................... 1-6
2-1 Back Panel Layout............................................................................................................................ 2-4
2-2 Main Board: Jumper and Potmeter Locations .................................................................................. 2-7
2-3 Optional I/O Board: Jumper Locations ............................................................................................. 2-8
4-1 LabVIEW .......................................................................................................................................... 4-1
4-2 Testpoint ........................................................................................................................................... 4-2
Tables
Table Page
Number Number
2-1 Pinning of Channel 1 to 4 Connectors.............................................................................................. 2-5
2-2 Pinning of Ext. Valve Control Connector .......................................................................................... 2-5
2-3 Pinning of Remote Connector .......................................................................................................... 2-6
2-4 Pinning of RS-232 Connector........................................................................................................... 2-6
2-5 Jumper Setting for 0-5 Vdc I/O......................................................................................................... 2-7
2-6 Jumper Setting (Optional I/O Board Installed1)................................................................................. 2-8

1-1
Brooks®Models 0152/0154
Section 1 Introduction
Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
1-1 Description
The Brooks microprocessor based readout and control equipment is
designed to meet the highest standards with user-friendly operation. Model
0152 provides 2 channels and Model 0154 provides 4 channels. 0152/
0154 also provide power supply for Brooks gas/liquid thermal mass flow/
pressure controllers/meters and QUANTIMTM. The readout function is a
back lit 4 x 20 character display. Features include membrane push buttons
for setpoint, blending, valve override and local/remote control.Actual
reading or % full scale of flow rate/pressure/density/temperature is
programmable for each channel.
Both models can be operated with independent mass flow control
channels, or with one or more channels slaved to the master (blending
mode). (If planning to use blending mode with engineering units rather than
% full scale, 1-5 Vdc or 4-20 mA I/O cannot be used.) Each channel can be
operated as master or slave or in an independent control mode. Valve
override functions are selectable. In valve override mode, the valve will be
open/closed independent of setpoint value. The Mass Flow Controller
Output Signals are switched to the 25-pin connector located on the
backpanel.This connector includes up to 4 channels with setpoint input
and flowrate or pressure output.
An RS-232 port is provided standard to control the 0152/0154 from a PC.
This port enables connection of up to 4 analog (or analog configured
devices) to a Model 0154. Communications is possible with optional cable
and software (Standalone and LabVIEWTM VI with Smart DDE driver).
Setpoint, Flow Rate and Valve Override parameters are available.
The local function is useful as backup of the customer's system
configuration. In local mode, the Mass Flow devices will be operated
directly by the 0152/0154, and in remote mode the customer's peripheral
equipment determines the control actions. Stored default values are
available after power interruption

1-2
Brooks®Models 0152/0154
Section 1 Introduction Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
1-2 Specifications
Power input
90-260 Vac, 50/60 Hz 70 W max power.
Power output
+15 V/2.9 A, -15V/1.4 A max or 24 Vdc/2.5Amax.
Signal input
Signal from flow or pressure transducer and remote setpoint. 0(1)-5 Vdc or
0(4)-20 mA .
Signaloutput
0(1)-5 Vdc or 0(4)-20 mA, Impedance 1 kW (minimum) or Impedance
750W (maximum)
Electrical
Two or four 15-pin D connectors for connecting the mass flow or pressure
control equipment.
One 25-pin D connector for combined remote setpoint input and output
signal, up to 4 channels.
One 15-pin D connector for connecting remote valve override control
function.
One 9-pin D connector for RS232 communication link to a PC.
Display reading
Model 0152: 2x 20 character and Model 0154: 4x 20 character display with
back lighting. Percentage full scale or actual reading.
Controls
Membrane push buttons for setpoint, blending, valve override, local/
remote control, menu selection per channel and power switch.
Materials of Construction
Housing
Anodized aluminium and steel covers: 1/2 size 19" rack cassette or table
top with optional handle.
Dimensions
1/2 size 19" rack cassette, [5.1" (130 mm) height, 8.7" (220 mm) width,
9.1" (230 mm) depth]. Table top (Refer to Figures 1-1 and 1-5).
Ambient Temperature
0 - 50°C (32-122°F)
Electrical Configuration, (Refer to Figure 1-6).

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Brooks®Models 0152/0154
Section 1 Introduction
Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
Figure 1-1 Dimensions Table Top Models 0152/0154
Figure 1-2 Dimensions Panel Mount Models 0152/0154

1-4
Brooks®Models 0152/0154
Section 1 Introduction Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
All housing options consist of a standard 1/2 19"
cassette ( 3HE x 42TE ) using three different parts:
• Table Top Option: Table Top Housing
• 19" Rack Option: 19" Rack
• Panel Mount Option: Bracket Set
The dimensions of the 1/2 19" cassette are:
cassette ( 3HE x 42TE ) using three different parts:
• Table Top Option: Table Top Housing
• 19" Rack Option: 19" Rack
• Panel Mount Option: Bracket Set
.
Figure 1-3 Dimensions of 1/2 19” Cassette
The cassette can be mounted directly into a 19" rack:
The cassette can be mounted into the table top enclosure in the same way.
The dimensions of the table top housing are (all dimensions in/mm):
Figure 1-4 Mounting of 1/2 19” Cassette into 19” Rack

1-5
Brooks®Models 0152/0154
Section 1 Introduction
Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
The panel mount option uses the cassette mounted into a panel using the
panelmount bracket set. The dimensions for the panel cutout and the
mounting details are:
Figure 1-5 Mounting of Panel Mount Unit with Dimensions for the Panel Cut-Out
Panel Cut Out
Dimensions
241mm 142mm
(9.5" x 5.6")

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Brooks®Models 0152/0154
Section 1 Introduction Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
Figure 1-6 Electrical Configuration

1-7
Brooks®Models 0152/0154
Section 1 Introduction
Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
1-3 Optional Equipment
For connection of the Brooks mass flow and pressure equipment to the
Models 0152 or 0154, the following interconnecting cables are available:
1-3-1 Connecting Flomega Series
For connecting the Models 0152 or 0154 to the Flomega series 5880 and
5890, the following cables are available:
Length 3 m (9.84 ft); part number 124Z605ZZZ
Length 6 m (19.69 ft); part number 124Z606ZZZ
1-3-2 Connecting Mass Flow and Pressure Series
For connecting the Models 0152 or 0154 to the Mass Flow Series, 5850,
5860 and Pressure Control series 5866, the following cables are available:
Via the Netherlands:
Length: 3 m (9.84 ft); part number 124Z236AAA
Length: 6 m (19.69 ft); part number 124Z237AAA
Length: 12 m (39.37 ft); part number 124Z610AAA
Via USA:
Length: 5 ft (1.52m); part number 124Z576AAA
Length: 10 ft (3.05m); part number 124Z577AAA
Length: 25 ft (7.62m); part number 124Z578AAA
Length: 50 ft (15.24m); part number 124Z579AAA
1-3-3 Connecting Smart Series
For connecting the Models 0152 or 0154 to the Smart Mass Flow Series
5850S, the following cables are available:
Length: 3 m (9.84 ft); part number 124Z893AAA
Length: 6 m (19.69 ft); part number 124Z894AAA
Length: 12 m (39.37 ft); part number 124Z895AAA
These cables are only necessary when digital communication between PC
and S series is desired, otherwise the cables mentioned in Section 1-3-2
can be used.

1-8
Brooks®Models 0152/0154
Section 1 Introduction Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
1-3-4 Connecting QUANTIM
The following cables are available for connection of the QUANTIM Mass
Flow Meter/Controller to the Brooks Microprocessor Control & Read-out
Unit: Model # 0152 and 0154
Length: 3ft (1m); part number 124Z054AAA
Length: 5ft (1.5m); part number 124Z050AAA
Length: 10ft (3m); part number 124Z051AAA
Length: 25ft (7m); part number 124Z052AAA
Length: 50ft (15m); part number 124Z053AAA
Or in case both Flow and Density or Temperature functions have to be
made available:
Length: 5ft (1.5m); part number 124Z906ZZZ
Length: 10ft (3m); part number 124Z907ZZZ
Length: 25ft (7m); part number 124Z908ZZZ
Length: 50ft (15m); part number 124Z909ZZZ
1-3-5 RS-232 Communication
For connecting the Model 0152/0154 to a personal computer an RS-232
cable is available:
Length: 3 m (9.84 ft); part number 124Z901ZZZ
Note:
This cable is only required when using digital communication between
Model 0152/0154 and a personal computer (see Section 4-1).
1-4 Certifications
Approvals: EMC Directive based on EN 50082-2 and
EN 50081-1 Low Voltage Directive based
on EN 61010-1 plus amendments
CSA-NRTL/C
based on CAN/CSA-C22.2 No. 1010.1-92
andISA S82.01-1994
Scope of Electrical
SafetyApprovals: Indoor use
Altitude: up to 2000m (6562 ft)
PollutionDegree: 2 (see IEC 664)
Installationcategory II (see IEC 664)
Power input 100-240Vac, 50/
60Hz,100W
Ambient temperature: 0 - 50°C (32°F - 122°F)
Max. rel Humidity 80%
®
NRTL/C

2-1
Brooks®Models 0152/0154
Section 2 Installation
Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
2-1 General
This section provides installation instructions for the Brooks®Models 0152
and 0154 Gas and Liquid Mass Flow Secondary Electronics devices.
2-2 Receipt of Equipment
When the instrument is received, the outside packing case should be
checked for damage incurred during shipment. If the packing case is
damaged, the local carrier should be notified at once regarding his liability.
Areport should be submitted to your nearest Product Service Department.
Brooks Instrument
407 W. Vine Street
P.O. Box 903
Hatfield, PA 19440 USA
Toll Free (888) 554-FLOW (3569)
Tel [phone]
Fax [phone]
E-mail: [e-mail]
www.BrooksInstrument.com
Brooks Instrument Brooks Instrument
Neonstraat 3 1-4-4 Kitasuna Koto-Ku
6718 WX Ede, Netherlands Tokyo, 136-0073 Japan
P.O. Box 428 Tel [phone]
6710 BK Ede, Netherlands Fax [phone]
Tel [phone] Email: [email protected]
Fax [phone]
E-mail:[email protected]
Remove the envelope containing the packing list. Carefully remove the
instrument from the packing case. Make sure spare parts are not
discarded with the packing materials. Inspect for damaged or missing
parts.
2-3 Recommended Storage Practice
If intermediate or long-term storage of equipment is required, it is
recommended that the equipment be stored in accordance with the
following:
a. Within the original shipping container.
b. Stored in a sheltered area, preferably a warm, dry, heated warehouse.
c. 32°C (90°F)maximum,45°F (7°C) minimum.
d. Relative humidity 45% nominal, 60% maximum, 25% minimum.
Upon removal from storage a visual inspection should be
conducted to verify the condition of equipment is "as received".

2-2
Brooks®Models 0152/0154
Section 2 Installation Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
2-4 Return Shipment
Prior to returning any instrument to the factory, contact your nearest Brooks
location for a Return MaterialsAuthorization Number (RMA#). This can be
obtained from one of the following locations:
Brooks Instrument
407 W. VineStreet
P.O. Box 903
Hatfield, PA 19440USA
Toll Free (888) 554-FLOW (3569)
Tel [phone]
Fax [phone]
E-mail: [e-mail]
www.BrooksInstrument.com
Brooks Instrument Brooks Instrument
Neonstraat 3 1-4-4 Kitasuna Koto-Ku
6718 WX Ede, Netherlands Tokyo, 136-0073 Japan
P.O. Box 428 Tel [phone]
6710 BK Ede, Netherlands Fax [phone]
Tel [phone] Email: [email protected]
Fax [phone]
E-mail:[email protected]
All flow instruments returned to Brooks requires completion of Form
RPR003-1, Brooks Instrument Decontamination Statement, along with a
Material Safety Data Sheet (MSDS) for the fluid(s) used in the instrument.
Failure to provide this information will delay processing by Brooks
personnel. Copies of these forms can be downloaded from the Brooks
website www.BrooksInstrument.com or are available from any Brooks
Instrument location listed above.
2-5 Transit Precautions
To safeguard against damage during transit, transport the instrument to the
installation site in the same container used for transportation from the
factory if circumstances permit.
2-6 Removal from Storage
Upon removal from storage, a visual inspection should be conducted to
verify the condition of the equipment is “as received.”

2-3
Brooks®Models 0152/0154
Section 2 Installation
Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
2-7 Ventilation and Mounting Requirements
The ventilation holes of the instrument must never be blocked or covered.
When installing the instrument in a panel or a rack, always take care that
proper ventilation is provided. See Section 1 enclosure dimensions for
installation and mounting (Figures 1-1 through 1-7).
2-8 Cleaning Instructions
Do not use cleaning agents other than water because this might affect
color and marking of the equipment.
Use a clean, soft and damp cloth for cleaning.
2-9 Cable Requirements
For compliance with the EMC directive 89/336/EEC, the equipment has to
be installed with shielded signal cables which are overall completely
screened with a shield of at least 80 %. Sub-D connectors used must be
shielded with a metal shield. The cable screen should be connected to the
metal shell and shielded at both ends over 360 Degrees. The shield should
be terminated to earth ground.
Always use a power cord that is certified or approved by a recognized
national test lab. The powercord must accomodate 3 conductors with a
wire size of at least 0.75mm2(or 18AWG). One of the three conductors
has to provide the protective conductor function. The voltage range must
be suitable for the used mains voltage.
Additional earthing can be done by means of the external protective
conductor terminal marked with the symbol as shown below:

2-4
Brooks®Models 0152/0154
Section 2 Installation Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
Two fuses are located in the power entry at the backside of the instrument.
Remove the fuses by pulling out the fuse cartridge. The fuses must be
replaced by fuses meeting the following requirements:
Dimensions: 5 x 20mm
Current: 2AT (slow blow)
Voltage: Suitable for mains voltage
Approvals: Certified or approved by a
recognized national test lab
For Europe: BreakingCapacity: 1500A
MeltingCharacteristic: IEC127
2-10 Connector Pinning
Figure 2-1 Back Panel Layout

2-5
Brooks®Models 0152/0154
Section 2 Installation
Installation and Operation Manual
X-SE-0152-0154-eng
PartNumber:541C052AAG
March,2008
Function
Input/
Output
pin
number
Function
Input/
Output
pin
number
1 Output +15Vdc/+24Vdc*
2 Input Flow mA
3 Output Setpoint mA
4nc Nc
5 Output Setpoint Volt
6 Setpoint ground
7 Output Valve override
8 Flow ground
9 reserved Reserved
10 Input Flow V
11 nc Nc
12 Power ground
13 Output +15Vdc/+24Vdc*
14 Output -15Vdc/nc*
15 nc Nc
*Depending on model: +24 Vdc: only combination +24 Vdc and power ground. ±15 Vdc:
only combination +15 Vdc and -15 Vdc
When applying non Brooks cables for use of Digital MFC/M’s (incl. MF) on mA I/O, pin 3
and 5 should be shorted at the read out side
1 Input Remote valve override channel 1
2nc Nc
3 Input Remote valve override channel 2
4nc Nc
5 Input Remote valve override channel 3
6nc Nc
7 Input Remote valve override channel 4
8nc Nc
9 Output +15Vdc/+24Vdc*
10 nc Nc
11 nc Nc
12 nc Nc
13 nc Nc
14 nc Nc
15 Output -15Vdc / Power ground*
*Depending on model: +24 Vdc: only combination +24 Vdc and power ground.
±15 Vdc: only combination +15 Vdc and -15 Vdc
Table 2-1 Pinning of Channels 1 to 4 Connectors
Table 2-2 Pinning of Ext. Valve Control Connector

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Brooks®Models 0152/0154
Section 2 Installation Installation and Operation Manual
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PartNumber:541C052AAG
March,2008
Function
Input/
Output
pin
number
1 Output Flow Volt channel 1
2 Output Flow mA channel 1
3 Output Flow Volt channel 2
4 Output Flow mA channel 2
5 Output Flow Volt channel 3
6 Output Flow Volt channel 4
7 Output Flow mA channel 3
8 Input Remote setpoint Volt channel 1
9 Input Remote setpoint Volt channel 2
10 Output Flow mA channel 4
11 Input Remote setpoint Volt channel 3
12 nc nc
13 Input Remote setpoint Volt channel 4
14 Flow ground channel 1
15 Input Remote setpoint mA channel 1
16 Flow ground channel 2
17 Input Remote setpoint mA channel 2
18 Flow ground channel 3
19 Flow ground channel 4
20 Setpoint ground channel 1
21 Setpoint ground channel 2
22 Input Remote setpoint mA channel 3
23 Setpoint ground channel 3
24 Input Remote setpoint mA channel 4
25 Setpoint ground channel 4
Table 2-3 Pinning of Remote Connector
Table 2-4 Pinning RS-232- Connector
pin Input/ Function
number Output
1NC
2 TXD Transmitted data
3 RXD Received data
4NC
5 GND Signal ground
6NC
7NC
8NC
9NC