Signal Interface Portfolio: Bulletin 931 & 937 · o RTDs, Thermocouples or Potentiometers o HART variables (PV, SV, TV, QV) o Strain gauge, Supply Transmitters, Frequency Actuation

Copyright © 2014 Rockwell Automation, Inc. All Rights Reserved.5058-CO900F

PUBLIC INFORMATION

Signal Interface Portfolio:Bulletin 931 & 937

Mason Khan, Global Product Manager

Date: February 17, 2016

Copyright © 2014 Rockwell Automation, Inc. All Rights Reserved.PUBLIC INFORMATION

Signal Interface

Signal Conditioners

Bulletin 931

Ordinary Locations

Intrinsic Safety

Bulletin 937

Hazardous Locations

What is Signal Interface?

Signal

Interface

Field Devices:

Sensors,

Actuators,

Equipment, &

Instrumentation


Signal Interface

Signal Conditioners

Bulletin 931

Isolators

931

931H

6mm

931S

Up to 22.5mm

Converters

931

931H

6mm

931S

Up to 22.5mm

931U

Up to 45mm

Intrinsic Safety

Bulletin 937

Barrier

937Z

937ZH

12.5mm

Isolators

937T

937TH

12.5mm

937TS

20mm

Converters

937C

937CS

20mm

937CU

40mm

Accessories

937A

Size classification

Functional classification


Intrinsic SafetyBulletin 937

Hazardous Area

Field Device (sensor / equipment) location will determine proper Bul. 931 or Bul. 937 product

selection

Signal ConditionerBulletin 931

HazLoc Technique: Type “n”

Product SelectionHazardous Location Applications


PUBLIC INFORMATION

Signal ConditionersBulletin 931

10-15 Minute

Refresher!


Why Do Signal Conditioners Exist?

Signal conditioners ensure smooth communication between the field device and the

control unit using galvanic isolation

They convert, isolate, split, boost, and step down process signals so field instruments

can interface directly with indicators, recorders, DCS, PLC, and PC-based SCADA

systems

6


Why do we need Signal Conditioning?

7

Solutions for all common analog signal conditioning requirements

Isolation

Eliminate ground loops and common mode noise

Isolate multiple signals on same power source

Transmission

Eliminate noise and reduce expensive thermocouple/RTD cable when there are long distances between field sensing device and controller

Transmission of data via Hart protocol

Conversion and Amplification

Convert a variety of analog measurement data to a standard current signal (0-10 VDC to 4-20mA, etc.)

Allows for low cost expansion in an established process by utilizing available I/O Modules

Signal splitting

Provides for local monitoring/alarms

Analog Signal Conditioners are PROBLEM SOLVERS!


Isolation – Eliminate Ground Loops

8

Input Circuit4...20mA

Output Circuit4...20mA

Signal Conditioners provide Isolation between Inputs and Outputs which PREVENTS Ground Loops!

Temperature Sensor

PLC/DCS


Tip for: System Architectures / Panel Designers

When using non-isolated 1756 ControlLogix I/O cards (to reduce

overall per I/O price point)

For example: 8 point analog input card1756-IF8 is non-isolated

(cost effective, list price $1160.00) than Isolated 1756-IF8I (costs

more, list price $2170.00)

Consider using 931H isolators (where appropriate) to add isolation to

your circuits (you may only need to provide isolation for select circuits)

Be more cost effective in your quotes/bids!

9


Transmission - Thermocouples

10

High CostThermocouple Cable

Lower CostCopper Wire

931H-T1C1D-DC

Signal Conditioning also provides Isolation

InputType J Thermocouple

Output0…10V, 0…5V

0…20mA, 4…20mA

Thermocouple

PLC/DCS

Thermocouple Terminal Blocks


Transmission - RTDs

11

Lower CostCopper wire

931S-P1C2D-DC

Signal Conditioning also provides Isolation

InputPt100, Ni100 or Potentiometer

Output0…10V

0…20mA, 4…20mA

Resistive Thermal Device (RTD)

PLC/DCS


Transmission - Hart Communication

12

Input Signal Output Signal

931H-A2C2D-DCHART (3pcs shown)

Input4…20mA

Output4…20mA

Analog Signal with Hart Communication

PLC/DCS with Hart Communication Capability

Hart Communication over same wire


Conversion and Amplification - Bridge

13

Standard 4-20mA output to PLC/DCS

Low level mV input from weigh scale bridge transducer

931S-B1C6D-DC

Signal Conditioning provides Isolation & Conversion

InputBridge Rectifier:

-500mV…500mV

Output0…10V, 0…5V

0…20mA, 4…20mA


Conversion and Amplification -Frequency

14

Standard 4-20mA output to PLC/DCS

Frequency input from rotating motor shaft

931S-F1C2D-DCInput2 or 3 wire PNP/NPN

sensor

Output0…10V

0…20mA, 4…20mA


Signal Splitting – Local Monitoring/Alarms

15

OUTPUT 24...20 mA

OUTPUT 14...20 mA

Sends the same signal to two locations

931S-A2A5N-OP

Pressure or Flow

4...20mA


Bulletin 931 – Signal Conditioners

Highest level of isolation, accuracyIncreased level of isolation, accuracyBasic, simple signals

Universal - 12.5mm or 45mmStandard - 12.5, 17.5 or 22.5mmHigh Density -6mm

Fixed or DIP switch configurable

Inputso Current, Voltage, Temperature,

Potentiometer, Frequency

Outputso Current, Voltage

o Alarm/Relay output (Threshold Monitoring)

Inputso Current, Voltage, Temperature,

Potentiometer, Frequency, Bridge


o Alarm/Relay output (Threshold Monitoring)

o Splitter

Inputso Current, Voltage, Temperature


o HART pass through

931U931S931H

Fixed or DIP switch/Jumper configurable Software configurable

List Price from $347…$429 (USD)List Price from $160…$377 (USD)List Price from $110…$340 (USD)

Signal Conditioning

Signal Isolators & Converters


PUBLIC INFORMATION

Bulletin 937 Intrinsic Safety Modules

Mason Khan

Global Product Manager


18

Agenda: Intrinsic Safety Deep Dive

Case Studies: Explosion Proof Vs. Intrinsic Safety

What is Needed to Apply IS Modules? Entity Parameters Analysis

Why You or Customers Should Look into IS Isolators Solutions?

Intrinsic Safety Deep Dive – Solution Offering / Applications

Hazloc / Intrinsic Safety Basics

Value Proposition / ROI Considerations


Protection Principles

Containment

• Special flame & explosion-proof enclosures – Bolted NEMA 7&9

Segregation

• Purging

• Pressurization

• Encapsulation

• Quartz filled, oil filled, sand filled, etc.

Prevention

• Low energy intrinsic safety technique

• Specially designed equipment

Hazardous Location Protection Methods


Intrinsic Safety Definition

An intrinsically safe circuit shall not be capable of causing ignition in normal operation and

fault condition in the surrounding hazardous atmospheres by

Sparks (opening, closing, short circuit, short circuit to earth)

or

High temperature of apparatus and conduits

Intrinsic safety is based on the principle of preventing an effective source of ignition. The

electrical energy is kept below the minimum ignition energy required for each hazardous

area. Safe Area or Division 2, Zone 2

Bul. 937 IS Barrier

Intrinsic Safety FieldDevice

42GRR Photoelectric Sensor

Power Supply

PLC / DCS

Low Energy Intrinsically Safe Signal = Explosion Cannot Occur!


Protection PrinciplesPrevention: Intrinsic Safety

Advantages

No special cables required

Safe for personnel

Hot permits not required

Highly reliable

Low maintenance

Applicable in all Divisions/Zones

Cost effective solution

Disadvantages

Not suitable for high power equipment

Requires front-loaded engineering work and documentation, also known as Entity Parameter Analysis(more on this in later slides)

Why choose an intrinsic safety Ex ‘i’ solution?

Low energy means an explosion can not occur


Bulletin 937 IS Barriers, Isolators & Converters

Packed with features that make process control interface

applications simple to design & easy to install

Both Analog IO & Digital IO devices

Features

Three-port isolation available

Status indication on device

Signal break and short-circuit monitoring

Removable terminals for ease of wiring

HART transparency

Mounts on DIN Rail

Efficient power rail distribution optional

SIL functional safety ratings

Intrinsic Safety Product Line Overview

Intrinsic Safety modules convert and/or condition signals into low-energy intrinsically-safe signals that can interface with devices in hazardous area

POWER SUPPLY FEED MODULE■ Link power supply to the Power Rail (Redundancy optional)■ Trip for lead breakage, short circuit and power failure■ Reduces I/O overhead

POWER RAIL SYSTEM■ Power supply and monitoring of lead breakage / short circuit on gold plated rails■ Fewer connections reduce wiring time and costs■ Simplifies future expansions

REMOVABLE TERMINALS ■ Rapid connection■ Up to 2.5 mm/14 AWG wiring■ Keyed terminals eliminate misconnection

CCOE

SIL

Status

24VDCCommon


12.5mm wide, Barriers / Isolators

20mm wide, Isolators / Converters

40mm wide, Converters

24VDCconductors

24VDCconductors

Optional Power Rail

Intrinsic Safety Products Overview


Product Selection

Considerations


Bulletin 937 – IS Barriers, Isolators, & Converters

937C937T937Z

Isolators

ConvertersZener Barriers

Specialty Signal ConversionSignal Isolation (Galvanic) Solution Cost-effective solution

Universal - 20mm or 40mmStandard - 12.5mm or 20mmHigh Density – 12.5mm

Fixed configuration, DC positive polarity, Single or Dual Channels, Ground required

Sensing Inputso Analog or Digital Inputs

o RTDs, Thermocouples or Potentiometers

o HART variables (PV, SV, TV, QV)

o Strain gauge, Supply Transmitters, Frequency

Actuation Outputso Current 0/4 … 20mA

o Alarm/Relay Output (Threshold Monitoring)

Sensing Inputso Analog or Digital Inputs

o NAMUR Sensors, Mechanical Contacts, Current, 2-wire SMART transmitters

Actuation Outputso Analog or Digital Inputs, Signal Splitter

o Solenoids, LEDs, Audible Alarms

o SMART I/P Valve & Positioner

o Current, Voltage, HART Pass Through

Sensing Inputso Current, Voltage, Transmitters

Actuation Outputso Current, Voltage

Fixed configuration, Single or Dual Channels, Grounding not required

LCD configurable, FDT Software, Single Channel, Grounding not required

List Price from $462…$1025 (USD)List Price from $239…$477 (USD)List Price from $203…$263 (USD)


Converters Barriers

Active components

Galvanic isolation, grounding is not required

Zener barrier capability built-in

Converts specialty signals into V/I (e.g. Thermocouple/RTD V/I )

Technology DefinitionsPoint-to-Point Modules

Zener Barriers

Passive components (DNA of a Zener Barrier)

Current limiting (Resistors)

Limits excessive voltage (Zeners/Diodes)

Fault protection (Fuses)

Grounding is required

Signal Isolators

(Active/Passive)

Signal Converters

(Active/Passive)

Bulletin 931Signal Conditioners

Bulletin 937 Intrinsic Safety Modules

Signal Interface Family

Isolated Barriers

Active components

Galvanic isolation, grounding is not required

Zener barrier capability built-in

Wide range of applications


Zener Barriers (937Z)

Passive components

Grounding is required

Isolated & Converter Barriers

(937T & 937C)

Active components

Galvanic isolation, grounding not required

Converts specialty signals into V/I signals

There are really two types of “IS Modules” to choose from when installing an intrinsically safe system:

MRO business, SSCB applications

New business, Highest growth potential

The decision on which to use could be based on budget, installation criteria, real estate, or function.


937T Catalog String Breakdown

Note: Not all combinations are valid.

Important!

This will help you with Bul. 937 selection.


Logix I/O Modules & 937T SelectionExamples

40

1756-IB16 – Digital Input, 16 points

Switch Amplifiers (eight selections available)

937TH-DISRS-DC1, Single Channel, Relay Output

937TH-DISAT-DC2, Double Channel, Transistor Output

937TS-DISAR-KD2, Double Channel, Relay Output

…

1756-OA16I – Digital Output, 16 points, Isolated

Solenoid Driver

937TH-DOSND-IP1 Solenoid Drivers


Logix I/O Modules & 937 SelectionExamples

41

1756-IF8IH – Analog Input, 8 points, Isolated, HART

SMART Transmitter Supply

937TH-AITXP-DC1, Single Channel, HART

1756-OF6CI – Analog Output, 6 points, Isolated

SMART Current Driver

937TH-AOSCD-DC1, Single Channel

1756-IR6I – RTD (Analog Input,) 6 points, Isolated

Temperature Repeater

937TH-AIRRP-DC1, Single Channel


Why do you need an IS Isolator/barrier?

What value do Bul. 937 provide?


Why do you need Bul. 937 IS Modules?

Bul. 937 limits energy to sensors/equipment in hazardous environments

937TH

-DIS

AT

-DC

2

871C-DH2M8-A2 Proximity / NAMUR Sensor

24VDCPower Supply

Intrinsic Safety Field Device

Solution: 937 Intrinsic Safety modules limit electrical energy to safe levels within hazardous environments

Core Concept Energy Limitation to IS Levels (typically < 2.5 Watts)45mW

To interface with an Intrinsic Safety (IS) sensor or equipment in hazardous environments, you must use an IS module

Intrinsic Safety barrier limits energy to 50% or less of the Minimum Ignition Energy (MIE)



Bul. 937 limits energy to sensors/equipment in hazardous environments

937TH

-DIS

AT

-DC

2

871C-DH2M8-A2 Proximity / NAMUR Sensor

24VDCPower Supply


Solution: 937 Intrinsic Safety modules limit electrical energy to safe levels within hazardous environments

Core Concept Energy Limitation to IS Levels (typically < 2.5 Watts)45mW

To interface with an Intrinsic Safety (IS) sensor or equipment in hazardous environments, you must use an IS module

Intrinsic Safety barrier limits energy to 50% or less of the Minimum Ignition Energy (MIE)

Following Sensor families from Rockwell Automation SSCB business are Intrinsically safe rated:

Photoelectrics Series 5000 & 9000 (Bul. 42G)Proximity Sensors (Bul. 871TM)

NAMUR Style Sensors (Bul. 871C)Bundle 937 Intrinsic Safety Barriers & Isolators with these sensors!



Bul. 937 solves I/O problems in hazardous environments

937TH

-DIS

AT

-DC

2

24VDCPower Supply


Solution: Isolate (galvanic) and break the ground loop by installing a Bulletin 937 Intrinsic Safety module in the circuit

Concept # 2Avoiding Inaccurate I/O Signal Readings due to Ground Loops

937 Intrinsic Safety modules provide galvanic electrical isolation between sensor and PLC eliminating ground loops.

Note: 937T & 937C modules provide galvanic isolation937Z modules do not



Bul. 937 solves I/O problems in hazardous environments

937TH

-DIS

AT

-DC

2

24VDCPower Supply


Solution: Isolate (galvanic) and break the ground loop by installing a Bulletin 937 Intrinsic Safety module in the circuit

Concept # 2Avoiding Inaccurate I/O Signal Readings due to Ground Loops

937 Intrinsic Safety modules provide galvanic electrical isolation between sensor and PLC eliminating ground loops.

Note: 937T & 937C modules provide galvanic isolation937Z modules do not

#1 Technical Support calls (in sensor troubleshooting category) are due to ground loop issues.

Both Signal Conditioners (in ordinary or less hazardous areas, e.g. Div 2)& Intrinsic Safety Modules (in more hazardous areas, e.g. Div 1)

help eliminate group loops and restore signal integrity.



Bul. 937 solves I/O mismatched interface problems in hazardous environments

937CU

-AIS

TR

-DC

1

Load cell / Weighing system


Solution: 937C Intrinsic Safety modules allows smooth communication from sensor to controller via signal conversion feature

Concept # 3Answer to Mismatched Interface Needs

3 millivolts/volt (mV/V)

24VDCPower Supply

+ 100mV- 100mV

20mA

0/4mA



Bul. 937 solves I/O mismatched interface problems in hazardous environments

937CU

-AIS

TR

-DC

1

Load cell / Weighing system


Solution: 937C Intrinsic Safety modules allows smooth communication from sensor to controller via signal conversion feature

Concept # 3Answer to Mismatched Interface Needs


24VDCPower Supply

+ 100mV- 100mV

20mA

0/4mA

Ever had to deal with a specialty sensor with a non-standard output?

Both Signal Conditioners (in ordinary or less hazardous areas, e.g. Div 2)& Intrinsic Safety Modules (in more hazardous areas, e.g. Div 1)

are able to convert specialty signals into more readily accepted signal types.


937C Intrinsic Safety modules allows measurement communication from the sensor to controller via signal conversion feature in hazardous environments – convenient programming via FDT.

Solution to Mismatched Interface Needs

Configuration options for 937C

937CU

-AIS

TR

-DC

1

Single point Load Cell - 20kg



+ 10mV- 10mV

20mA

0/4mA

5V

AG20 C3 SH 5e U

Specialty Signal

Standard Signal

DeviceDTM

Control

Room


Can 937 Help with Panel Optimization?

24VDCPower Supply

Field Signals

Controller Signals

24VDCPower

How do we reduce or eliminate wiring work?Consider 2 wires for 24VDC for each module…

Too many power wires! Is there a way to simplify the wiring?


Panel Optimization via Optional Power Rail System

Controller Signals

Field Signals

937A-PSFDPower Supply Feed Module

Open/Close contact for troubleshooting Signals (Short Circuit & Open)

Solution: Consider using 937 Power Rail to eliminate 24VDC wiring and reap benefits of using one I/O point for (troubleshooting) the whole Power Rail full of IS Modules

937A-PR**Power Rail

Available in 0.8 or 2.0 meter

937A-PRECPower Rail End Caps

(sold separately)

Power Rail Cover


Ease in Signal Troubleshooting

Controller Signals

Field Signals


Solution: 937 LED indicator helps troubleshoot Short Circuits and Open Circuits

937A-PR**Power Rail




Ease in Signal Troubleshooting

Controller Signals

Field Signals


Solution: 937 LED indicator helps troubleshoot Short Circuits and Open Circuits

937A-PR**Power Rail



Power Rail System pays for itself when the job requires 10 or more IS modules.


Process: Functional Safety up toSIL3

A wonderful 30 page publication that talks about functional safe solutions with Bul 937

http://literature.rockwellautomation.com/idc/groups/literature/documents/wd/937th-wd001_-en-p.pdf


Entity ConceptHow to validate an IS circuit?

Examples


Intrinsically Safe Equipment

Devices that cannot be evaluated without manufacturers drawings, schematics or documentation

Complex apparatus must be certified by an independent, third-party agency and is normally assigned a set of ENTITY parameters that define its maximum electrical safety limit

Vmax Maximum allowable open circuit voltage

Imax Maximum allowable short circuit current

Ci Internal capacitance

Li Internal inductance

Pi Maximum allowable power Examples include: Transmitters, solenoids, proximity sensors and

encapsulated assemblies

Simple construction components, not generating more than 1.5 Volts, 100mA, and 25mW Examples include: Capacitors or inductors,

Thermocouples and Photocells Passive components with less than 1.3 watts

dissipation Examples include: switches, junction boxes,

RTDs, and LED

Complex apparatus Simple apparatus

Intrinsic Safety Concepts:


IS Apparatus / Intrinsically Safe Equipment Associated Apparatus

Simple apparatus Simple construction components, not generating more than

1.5 Volts, 100mA, and 25mW Examples include: Capacitors or inductors, Thermocouples and Photocells

Passive components with less than 1.3 watts dissipation Examples include: switches, junction boxes, RTDs, and LED

ORComplex apparatus

Devices that cannot be evaluated without manufacturers drawings, schematics or documentation

Complex apparatus must be certified by an independent, third-party agency and is normally assigned a set of ENTITY parameters that define its maximum electrical safety limit

Vmax Maximum allowable open circuit voltage

Imax Maximum allowable short circuit current

Ci Internal capacitance

Li Internal inductance

Pi Maximum allowable power Examples include: Transmitters, solenoids, proximity sensors and

encapsulated assemblies

Intrinsic Safety Concepts

Intrinsically Safe Circuit =


An intrinsically safe circuit consists of the following:

Intrinsically Safe Equipment (Simple or Complex Apparatus)Associated ApparatusInterconnecting Wire

IntrinsicallySafe

Equipment

Associated Apparatus

AssociatedApparatus

Applications: Basic Concept

Simple Apparatus: LED/Pushbutton, Thermocouples, RTDs, simple 2-wire devicesComplex Apparatus: Transmitters, Level, Flow, Pressure, Solenoids, Proximity, NAMUR, Photoelectric, Frequency, Temperature Sensors, Strain Converters, etc.

937 Modules:Zener Barrier, Isolated Barrier, or Converter Barrier


Entity Concept for Ex ‘i’ Technique

Hazardous Area

4-20mATransmitter

Tolerable Fault Voltage (Vmax.)Tolerable Fault Current (Imax.)Tolerable Fault Energy (Pmax.)Internal Unprotected Capacitance (Ci)Internal Unprotected Inductance (Li)

Safe Area

937 Isolated Barrier

Fault Voltage (Voc.)Fault Current (Isc.)Fault Energy (Po)Allowable Capacitance (Ca)Allowable Inductance (La)

Vmax

Imax

Pmax

Ci

Li

Voc

Isc

Po

Ca

La

Required for all “Complex Apparatus” e.g. Proximity/NAMUR Sensors, Solenoids, I/P Positioners, etc. Sensors must be Ex ‘i’ ratedMost of the sensors fall in this category – IS Barrier/Isolator required

Not required for all “Simple Apparatus” e.g. Simple Pushbutton, Thermocouple, LED, (non energy storing or releasing)Ordinary components without EX rating are acceptable – IS Barrier/Isolator required A small number of sensors may belong in this category per NEC criteria


Example IS Circuit Evaluation

TMT162

Ex i / Intrinsically Safe Rated

4… 20 mA analog output

937TH-AITXP-DC1


4... 20 mA limited to approx.

30 mA


Entity Evaluation for Analog Input Circuit

Hazardous Area

TMT162

Tolerable Fault Voltage (Vmax.)Tolerable Fault Current (Imax.)Tolerable Fault Energy (Pmax.)Internal Unprotected Capacitance (Ci)Internal Unprotected Inductance (Li)

Safe Area


Entity Parameters – IEC Nomenclature

937TH-AITXP-DC1

Ui 30VIi 300mAPi 1W Ci 5nFLi 0

≥≥≥≤≤

Uo 25.2VIo 100mAPo 630mWCo 0.1uFLo 3.5mH

Entity Check

OK


Field Device

Intrinsically Safe Apparatus


Nominal Values for Digital Input Circuit

871C-DH1M8-A2


Rated NAMUR (conforms to DIN 19 234)

Old standard

Allowing these sensors to be used with

any approved NAMUR style amplifier/

isolator

937TS-DISAR-KD2


Rated NAMUR acc to EN60947-5-6 (NAMUR, DIN 19234)

FM Approved:- Class I, II, III; Divisions 1, 2; Groups A, B, C, D, E, F, G;- Class I; Zone 0, 1, 2; Groups IIC, IIB, IIA; T6;CSA Certified:- Class I, II, III; Divisions 1, 2; Groups A, B, C, D, E, F, G;- Class I; Zone 0, 1, 2; Groups IIC, IIB, IIA;


Entity Evaluation for Digital Input Circuit

Hazardous Area

871C-DH1M8-A2

Tolerable Fault Voltage (Vmax.) Tolerable Fault Current (Imax.) Tolerable Fault Energy (Pmax.)Internal Unprotected Capacitance (Ci)Internal Unprotected Inductance (Li)

Safe Area

Entity Parameters – ISA/UL Nomenclature

Vmax 16VImax 60mAPmax Ci 150nF Li 200uH

≥≥≥≤≤

Vt 10.6VIt 19.5mAPtCa 1.273uFLa 84.88mH

Where the cable capacitance and inductance per foot are not known, the following values shall be used: Ccable = 60 pF/ft., Lcable = 0.2 μH/ft.

937TS-DISAR-KD2


Entity Check

OKAssume most severe group

IIC or Group A for Ca & La


Field Device

Intrinsically Safe Apparatus


Intrinsic Safety is a method of “prevention” The requirement for design is to limit energy to 50% or less of the Minimum Ignition

Energy (MIE) An IS circuit consists of only 3 elements:

I.S. device (sensor or equipment), associated apparatus (barrier or isolated barrier), and interconnecting wire

Two types of I.S. field devices: Simple apparatus and Complex apparatus

What do you need to remember about IS Technique?

Galvanic Isolation Noise immunity (restoring signal integrity) Signal Conditioning (conversion of specialty signal) Switch amplifiers Easy to install Easy to Maintain

What do you need to remember about IS Barriers / Isolators?


Portfolio Overview

Bulletin 937 Description

1 -

Ch

ann

el

2-C

han

ne

l

12

.5m

m W

idth

20

mm

Wid

th

40

mm

Wid

th

Po

we

r R

ail o

pti

on

Po

we

r 2

4V

DC

Po

we

r 1

20

VA

C

Po

we

r 2

30

VA

C

Re

lay

ou

t

Tran

sist

or

ou

t

Split

ter

Soft

war

e

Co

nfi

gura

tio

n

937ZH-DPAN-2 Zener Barrier

937ZH-DPBN-1 Zener Barrier

937ZH-DPCD-2 Zener Barrier

937ZH-DPBN-2 Zener Barrier

937ZH-DPDP-2 Zener Barrier

937TH-DISRS-DC1 Switch Amplifier

937TH-DISAR-DC2 Switch Amplifier

937TS-DISRS-KD1 Switch Amplifier

937TS-DISAR-KD2 Switch Amplifier

937TS-DISRS-KF1 Switch Amplifier

937TS-DISAR-KF2 Switch Amplifier

937TH-DISTS-DC1 Switch Amplifier

937TH-DISAT-DC2 Switch Amplifier

937TH-DOSND-IP1 Solenoid Driver

937TH-AITXP-DC1 SMART Transmitter Supply

937TH-AITXS-DC1 SMART Transmitter Supply

937TH-AIRRP-DC1 Temperature Repeater

937TS-AITXP-DC2 SMART Transmitter Supply

937TH-AOSCD-DC1 SMART Current Driver

937CS-AITMP-DC1 Universal Temp Converter FDT

937CU-DIFRQ-DC1 Universal Frequency Converter LCD/FDT

937CU-DIFRQ-BC1 Universal Frequency Converter LCD/FDT

937CU-AITXF-DC1 Transmitter Supply Converter LCD/FDT

937CU-AIHLP-DC1 HART Loop Converter LCD/FDT

937CU-AISTR-DC1 Strain Gauge Converter LCD/FDT

937A-PSFD Power Rail Feed Module

937A-PR08 Power Rail 0.8 Meter

937A-PR20 Power Rail 2 Meter

937A-PREC Power Rail End Caps

937A-USBA USB Interface Cable

937A-TCJC Thermocouple Connector


Available Resources

Profile

Web Content

ProposalWorks / RAISE

Onl

ine

Cat

alog

Pag

es

Sel

ectio

n G

uide

Web Link: http://literature.rockwellautomation.com/idc/groups/literature/documents/pp/937-pp001_-en-p.pdf

Web Link: http://literature.rockwellautomation.com/idc/groups/literature/documents/sg/937-sg001_-en-p.pdf

Web Link: www.ab.com/e-tools

http://literature.rockwellautomation.com/idc/groups/literature/documents/pp/937-pp001_-en-p.pdf

http://literature.rockwellautomation.com/idc/groups/literature/documents/sg/937-sg001_-en-p.pdf

http://www.ab.com/e-tools


Hazardous Location Product Coverage

Terminal Blocks

GP Relays

Power Supplies

Pushbuttons

Pilot Lights

Beacons

Horns

Signal Conditioners

IS Barriers/Isolators

Wiring Systems

Electronic Circuit Protection

Proximity Switches

Limit Switches

Condition Monitors

Guardmaster

Location Switches

Manual motor starters

Combination starters

Non-combination

starters

Enclosed Disconnects

ControlLogix

CompactLogix

PanelView

Industrial PCs

1715 (Redundant)

1734 (Point)

1794 (Flex)

1797 (FlexEx)

Stratix Switches

Application Specific

Panels

Rockwell offers one of the most complete industrial products hazardous location portfolios on the market today


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www.rockwellautomation.com

PUBLIC INFORMATION

Thank You!

Mason KhanSignal Interface Product [email protected] / 414.530.8405

mailto:[email protected]

Signal Interface Portfolio: Bulletin 931 & 937 · o RTDs, Thermocouples or Potentiometers o HART variables (PV, SV, TV, QV) o Strain gauge, Supply Transmitters, Frequency Actuation

Documents