Rockwell Automation 1794-ASBE User Manual

"!

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

  "  



Important User Information

Because of the variety of uses for the products described in this publication, those responsible for the application and use of these products must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements, including any applicable laws, regulations, codes and standards. In no event will Rockwell Automation be responsible or liable for indirect or consequential damage resulting from the use or application of these products.

Any illustrations, charts, sample programs, and layout examples shown in this publication are intended solely for purposes of example. Since there are many variables and requirements associated with any particular installation, Rockwell Automation does not assume responsibility or liability (to include intellectual property liability) for actual use based upon the examples shown in this publication.

Allen–Bradley publication SGI–1.1, Safety Guidelines for Application, Installation, and Maintenance of Solid–State Control (available from your local Rockwell Automation office), describes some important differences between solid–state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication.

Reproduction of the contents of this copyrighted publication, in whole or part, without written permission of Rockwell Automation, is prohibited.

Throughout this publication, notes may be used to make you aware of safety considerations. The following annotations and their accompanying statements help you to identify a potential hazard. avoid a potential hazard, and recognize the consequences of a potential hazard.

WARNING

Identifies information about practices or circumstances that can cause an explosion in a hazardous environment, which may lead to personal injury or death, property damage, or economic loss.

!

ATTENTION

Identifies information about practices or circumstances that may lead to personal injury or death, property damage, or economic loss.

!

Identifies information that is critical for

IMPORTANT

successful application and understanding of the product.

ATTENTION

!

Environment and Enclosure

This equipment is intended for use in a Pollution Degree 2 industrial environment, in overvoltage Category II applications (as defined in IEC publication 60664–1), at altitudes up to 2000 meters without derating.

This equipment is considered Group 1, Class A industrial equipment according to IEC/CISPR Publication 11. Without appropriate precautions, there may be potential difficulties ensuring electromagnetic compatibility in other environments due to conducted as well as radiated disturbance.

This equipment is supplied as “open type” equipment. It must be mounted within an enclosure that is suitably designed for those specific environmental conditions that will be present, and appropriately designed to prevent personal injury resulting from accessibility to live parts. The interior of the enclosure must be accessible only by the use of a tool. Subsequent sections of this publication may contain additional information regarding specific enclosure type ratings that are required to comply with certain product safety certifications.

ATTENTION

!

See NEMA Standards publication 250 and IEC publication 60529, as applicable, for explanations of the degrees of protection provided by different types of enclosures. Also, see the appropriate sections in this publication, as well as the Allen–Bradley publication 1770–4.1, (“Industrial Automation Wiring and Grounding Guidelines”), for additional installation requirements pertaining to this equipment.

FLEX I/O is grounded through the DIN rail to chassis ground. Use zinc plated, yellow chromated steel DIN rail to assure proper grounding. Using other DIN rail material (e.g. aluminum, plastic, etc.) which can corrode, oxidize or are poor conductors can result in improper or intermittent platform grounding.



ATTENTION

!

Preventing Electrostatic Damage This equipment is sensitive to electrostatic discharge, which can cause internal damage and affect normal operation. Follow these guidelines when you handle this equipment.

• Touch a grounded object to discharge potential

static.

• Wear an approved grounding wriststrap.

• Do not touch connectors or pins on component

boards.

• Do not touch components inside the equipment.

• If available, use a static–safe workstation.

• When not in use, keep modules in appropriate

static–safe packing.

  

The information below summarizes the changes to the Remote I/O Adapter User Manual, publication 1794-UM009D–EN–P, since the last release.

The series E adapter is capable of recognizing the safe state data for the FLEX Integra analog modules, and allows use of 32 point FLEX I/O modules. You must use a series D or later adapter when using FLEX Integra analog modules in your system.

New Information

The following new information is included in this version of the publication:

Corrected Switch Positions

Switch positions on S! and S2 were incorrectly identified in the previous version of this publication. Corrections have been made on page 2–11 of Chapter 2.

Additional FLEX I/O Modules

New modules available since the last version of this publication have been added.

Change Bars

The areas in this manual which are different from previous editions are marked with change bars (as shown to the right of this paragraph) to indicate the addition of new or revised information.

Publication 1794ĆUM009D-EN-P - April 2004

soc–ii Summary of Changes

Publication 1794ĆUM009D-EN-P - April 2004

T

Using This Manual

Preface

Preface Objectives

Audience

Vocabulary

Read this preface to familiarize yourself with this manual and to learn how to use it properly and efficiently.

Important:

You must use a series D or later adapter to

IMPORTAN

We assume that you have previously used an Allen–Bradley programmable controller, that you are familiar with its features, and that you are familiar with the terminology we use. If not, read the user manual for your processor before reading this manual.

In this manual, we refer to:

communicate with FLEX Integra analog modules. You must use a series E or later adapter to communicate with 32 point FLEX modules.

• the individual adapter module as the “adapter.”

• the programmable controller as the “controller” or the

“processor.”

• input and output modules as the “module.”

What This Manual Contains

The contents of this manual are as follows:

Table P. A What This Manual Contains

Chapter Title What's Covered

1

2 Installing Your Remote I/O Adapter Procedures and guidelines for installing the module

3 Communicating with FLEX I/O Modules Hardware addressing and configuration options

4 Troubleshooting Troubleshooting aids

Appendix Title What's Covered

A Specifications Module specifications

B

C Safety Approvals

Overview of FLEX I/O and the Remote I/O Adapter Module

Differences Between Series A, B, C, D and E Remote I/O Adapters

Describes features, capabilities, and hardware components.

Publication 1794ĆUM009D-EN-P - April 2004

Using This ManualP–2

Catalog

Conventions

For Additional Information

1794ĆACNR 24V dc Redundant Media ControlNet Adapter

1794ĆACN15 24V dc ControlNet Adapter

1794ĆACNR15 24V dc Redundant Media ControlNet Adapter

1794ĆASB/E 24V dc Remote I/O Adapter 1794ĆIN046 1794ĆUM009

1794ĆASB2/D 24V dc 2ĆSlot Remote I/O Adapter 1794ĆIN044 1794ĆUM059

1794ĆOB16P 24V dc 16 Source Output Module

1794ĆOB32P 24V dc 32 Electronically Fused Output Module

1794ĆOB8EP 24V dc 8 Electronically Fused Output Module

1794ĆOV16P 24V dc 16 Electronically Fused Output Module

1794ĆIB10XOB6 24V dc 10 Input/6 Output Module

1794ĆIB16XOB16P 24V dc 16 Input/16 Output Module

We use these conventions in this manual:

In this manual, we show: Like this:

that there is more information about a topic in another chapter in this manual

that there is more information about the topic in another manual

More

For additional information on FLEX I/O systems and modules, refer to the following documents:

Publications

Number

1794 1794 FLEX I/O Product Data

1794ĆACN 24V dc ControlNet Adapter

1794ĆADN 24V dc DeviceNet Adapter 1794Ć5.14 1794Ć6.5.5

1794ĆAPB 24V dc Profibus Adapter 1794ĆIN040 1794ĆUM057

1794ĆIB8 24V dc 8 Sink Input Module

1794ĆOB8 24V dc 8 Source Output Module

1794ĆIB16 24V dc 16 Sink Input Module

1794ĆIB32 24V dc 16 Source Output Module

1794ĆOB16 24V dc 16 Source Output Module

1794ĆIV16 24V dc 16 Source Input Module

1794ĆOV16 24V dc 16 Sink Output Module

1794ĆIB8S 24V dc Sensor Input Module

Voltage Description

Table continued on next page

Installation

Instructions

1794Ć2.1

1794Ć5.8

1794Ć5.18

1794Ć5.47

1794Ć5.48

1794Ć5.30

1794Ć5.31

1794ĆIN072

1794ĆIN084

1794Ć5.3

1794Ć5.45

1794ĆIN090

1794Ć5.28

1794Ć5.29

1794Ć5.20

1794Ć5.52

1794Ć5.7

1794Ć5.24

1794ĆIN083

User

Manual

Publication 1794ĆUM009D-EN-P - April 2004

Using This Manual P–3

Catalog

Catalog Number

Number

DescriptionVoltage

Publications

Installation

Instructions

User

Manual

1794ĆOW8 24V dc 8 Relay Output Module 1794Ć5.19

1794ĆIE8 24V dc Selectable Analog 8 Input Module

1794ĆOE4 24V dc Selectable Analog 4 Output Module

1794ĆIE4XOE2 24V dc 4 Input/2 Output Analog Module

1794ĆOF4I 24V dc 4 Output Isolated Analog Module

1794ĆIF4I 24V dc 4 Input Isolated Analog Module

1794ĆIF2XOF2I 24V dc 2 Input/2 Output Isolated Analog Module

1794Ć5.6

1794Ć5.5

1794Ć5.15

1794Ć5.37

1794Ć5.38

1794Ć5.39

1794Ć6.5.2

1794Ć6.5.8

1794ĆIR8 24V dc 8 RTD Input Analog Module 1794Ć5.22 1794Ć6.5.4

1794ĆIT8 24V dc 8 Thermocouple Input Module 1794Ć5.21 1794Ć6.5.7

1794ĆIRT8 24V dc 8 Thermocouple/RTD Input Module 1794Ć5.50 1794Ć6.5.12

1794ĆIJ2 24V dc 2 Frequency Input Module 1794Ć5.49 1794Ć6.5.11

1794ĆID2 24V dc 2 Channel Frequency Input Module 1794Ć5.63 1794Ć6.5.15

1794ĆIP4 24V dc 2 Channel Pulse Counter Module 1794Ć5.64 1794Ć6.5.16

1794ĆHSC 24V dc High Speed Counter Module 1794Ć5.67 1794Ć6.5.10

1794ĆIC16 48V dc 48V dc 16 Input Module

1794ĆOC16 48V dc 48V dc Output Module

1794ĆIA8 120V ac 8 Input Module

1794ĆOA8 120V ac 8 Output Module

1794ĆIA8I 120V ac Isolated 8 Input Module

1794ĆOA8I 120V ac Isolated Output Module

1794ĆIA16 120V ac 16 Input Module

1794ĆOA16 120V ac 16 Output Module

1794ĆIM8 220V

8 Input Module

ac/dc

1794ĆOM8 220V

8 Output Module

ac/dc

1794ĆTB2 1794ĆTB3

2Ćwire Terminal Base 3Ćwire Terminal Base

1794ĆTBN Terminal Base Unit

1794ĆTBNF Fused Terminal Base Unit

1794ĆTB3T Temperature Terminal Base Unit

1794ĆTB3S Spring Clamp Terminal Base Unit

1794ĆTB3TS Spring Clamp Temperature Base Unit

1794ĆTB3G Terminal Base Unit

1794ĆTB3GS Spring Clamp Terminal Base Unit

1794ĆTB32 Cage Clamp Terminal Base Unit

1794ĆTB32S Spring Clamp Terminal Base Unit

1794Ć5.53

1794Ć5.54

1794Ć5.9

1794Ć5.10

1794Ć5.55

1794Ć5.56

1794Ć5.60

1794Ć5.61

1794Ć5.57

1794Ć5.58

1794ĆIN070

1794ĆIN016

1794Ć5.17

1794Ć5.41

1794Ć5.42

1794Ć5.43

1794Ć5.51

1794Ć5.59

1794ĆIN085

Table continued on next page

Publication 1794ĆUM009D-EN-P - April 2004

Using This ManualP–4

Catalog

Catalog Number

Number

1794ĆCE1, ĆCE3 Extender Cables

1794ĆNM1 Mounting Kit

1794ĆPS13 24V dc Power Supply

1794ĆPS3 24V dc Power Supply

1797ĆIBN16 See note 16 NAMUR Digital Input Module 1794ĆIN072

1797ĆOB4D See note 4 NI, Ex Source Digital Output Module 1794Ć5.6

1797ĆIE8 See note 8 Selectable Input Module 1794Ć5.5

1797ĆIE8NF See note 8 Selectable Filter Analog Input Module 1794Ć5.31

1797ĆOE4 See note Selectable Analog 4 Output Module 1794Ć5.3

1797ĆIRT8 See note 8 Thermocouple/RTD Input Module 1794Ć5.4

1797ĆIJ2 See note 2 Frequency Input Module 1794Ć5.9

1797ĆTB3

1797ĆTB3S

1797ĆBIC See note I.S. Bus Isolator 1797Ć5.13

1797ĆCEC See note FLEX Ex Bus Connector 1797Ć5.13

Note: Intrinsically Safe Voltage

3Ćwire Screw Clamp Terminal Base 3Ćwire Spring Clamp Terminal Base

DescriptionVoltage

FLEX Ex

Installation

Instructions

1794Ć5.12

1794Ć5.13

1794Ć5.35

1794Ć5.71

1797Ć5.1 1797Ć5.2

Publications

User

Manual

ATTENTION

!

FLEX I/O is grounded through the DIN rail to chassis ground. Use zinc plated, yellow chromated steel DIN rail to assure proper grounding. Using other DIN rail materials (e.g. aluminum, plastic, etc.) which can corrode, oxidize or are poor conductors can result in improper or intermittent platform grounding.

Publication 1794ĆUM009D-EN-P - April 2004

Using This Manual P–5

ATTENTION

!

WARNING

!

Preventing Electrostatic Discharge

This equipment is sensitive to electrostatic discharge, which can cause internal damage and affect normal operation. Follow these guidelines when you handle this equipment:

• Touch a grounded object to discharge potential

static.

• Wear an approved grounding wriststrap.

• Do not touch connectors or pins on component

boards.

• Do not touch circuit components inside the

equipment.

• If available, use a static–safe workstation.

• When not in use, keep modules in appropriate

static–safe packaging.

Remove field-side power before removing or inserting this module. This module is designed so you can remove and insert it under backplane power. When you remove or insert a module with field-side power applied, an electrical arc may occur. An electrical arc can cause personal injury or property damage by:

• sending an erroneous signal to your system’s

field devices causing unintended machine motion

• causing an explosion in a hazardous environment

Repeated electrical arcing causes excessive wear to contacts on both the module and its mating connector. Worn contacts may create electrical resistance.

Publication 1794ĆUM009D-EN-P - April 2004

Using This ManualP–6



This preface gave you information on how to use this manual efficiently. The next chapter introduces you to the remote I/O adapter module.

Publication 1794ĆUM009D-EN-P - April 2004

Table of Contents

Overview of FLEX I/O and your Remote I/O Adapter Module

Installing Your Remote I/O Adapter Module

Chapter 1

Chapter Objectives 1-1...................................

The FLEX I/O System 1-1.................................

How FLEX I/O Modules Communicate with Programmable Controllers 1-2

Hardware Components 1-3................................

Diagnostic Indicators 1-3................................

Reset Pushbutton 1-4..................................

Remote I/O Wiring 1-4..................................

Power Wiring 1-4......................................

Address Switch Assemblies 1-4...........................

Chapter Summary 1-4....................................

Chapter 2

Chapter Objectives 2-1...................................

Power Requirements 2-3..................................

Mounting the Remote I/O Adapter 2-3.........................

Mounting on a DIN Rail before installing the terminal base units 2-3..

Mounting (or Replacing) the Adapter on an Existing System 2-4....

Mounting on a Wall or Panel 2-5...........................

Wiring 2-7.............................................

Setting the Switches 2-8..................................

Starting I/O Group 2-8..................................

I/O Rack Number 2-8...................................

Hold Inputs 2-8.......................................

Rack Fault Select Switch (RFS) 2-9........................

Addressing Mode Selection Switches 2-9....................

Communication Rate 2-10................................

Processor Restart Lockout (PRL) 2-10.......................

Hold Last State (HLS) 2-10...............................

Setting the Mode Selection Switches 2-12.......................

Setting the Address Switches 2-13............................

Setting the Address Switches for Complementary I/O 2-15...........

Primary Rack 2-15.....................................

Complementary Rack 2-15................................

Chapter Summary 2-15....................................

Communicating with FLEX I/O Modules

Chapter 3

Chapter Objectives 3-1...................................

FLEX I/O Module Data 3-1.................................

Addressing I/O 3-2......................................

Analog (Block Transfer) Modules 3-5.........................

Publication 1794ĆUM009D-EN-P - April 2004

Table of Contentsii

Standard Addressing 3-6..................................

Standard - 32 Addressing 3-7..............................

Compact Addressing 3-8..................................

Compact Mode 3-8....................................

Complementary Addressing Mode 3-12........................

Complementary Mode - 16Ćpoint 3-12.......................

Complementary Mode - 8Ćpoint 3-13........................

Complementary - 32 Addressing 3-15.........................

Mapping Data into the Image Tables 3-16.......................

Determining Rack Size 3-16.................................

Operating Modes 3-18.....................................

Chapter Summary 3-18....................................

Troubleshooting

Specifications

Differences Between Remote I/O Adapter Series A, B, C, D and E

Safety Approvals

Chapter 4

Chapter Objectives 4-1...................................

Fault Conditions 4-1.....................................

Troubleshooting with the Indicator Lights 4-1....................

Chapter Summary 4-3....................................

Appendix A

Specifications A-1.......................................

Appendix B

Differences Between Remote I/O Adapter Series A, B, C, D and E B-1..

Appendix C

Safety Approvals C-1.....................................

Publication 1794ĆUM009D-EN-P - April 2004

 

Overview of FLEX I/O and your Remote I/O Adapter Module

Chapter Objectives

The FLEX I/O System

Adapter

In this chapter, we tell you about:

• what the FLEX I/O system is and what it contains

• how FLEX I/O modules communicate with programmable

controllers

• the features of your adapter module

FLEX I/O is a small, modular I/O system for distributed applications that performs all of the functions of rack-based I/O. The FLEX I/O system contains the following components shown below:

Terminal Base

I/O Module

20125

• adapter/power supply – powers the internal logic for as many as

eight I/O modules

• terminal base – contains a terminal strip to terminate wiring for

two- or three-wire devices

• I/O module – contains the bus interface and circuitry needed to

perform specific functions related to your application

Publication 1794ĆUM009D-EN-P - April 2004

1–2 Overview of FLEX I/O and your Remote I/O Adapter Module

How FLEX I/O Modules Communicate with Programmable Controllers

The adapter transfers your configuration data



PWR

ADAPTER

ACTIVE FAULT

LOCAL FAULT

POWER SUPPLY

RIO ADAPTER

1794ĆASB

24VDC

Your ladder program instructs the

adapter to perform a BTR of the values

and stores them in a data table.

Data transfer to and from the remote I/O adapter/power supply and discrete I/O modules occurs every flexbus scan. This provides the controller with updated data.

The remote I/O adapter/power supply transfers data to the analog I/O module (block transfer write) and from the analog I/O module (block transfer read) using BTW and BTR instructions in your ladder diagram program. These instructions let the adapter obtain input values and status from the I/O module, and let you send output values to establish the module’s mode of operation. The communication process is described in the following illustration.

1

to the module using a BTW.

Flexbus

4



INPUT 0 INPUT 2 INPUT 4 INPUT 6INPUT 1 INPUT 3 INPUT 5 INPUT 7 IVIVIVIVIVIVIVI

ANALOG INPUT

2

External devices transmit

analog signals to the module.

1794-IE8

2

V

5

The adapter and module determine

that the transfer was made without error

and input values are within specified

range.

6

Your ladder program can use and/or move the data (if valid)

before it is written over by the transfer of new data in a

subsequent transfer.

7

Your ladder program performs BTWs to the module when you power

it up, and any time you wish to reconfigure the module.

3

The module converts analog signals

into binary format and stores these

values until the adapter requests their

transfer.

Publication 1794ĆUM009D-EN-P - April 2004

1–3Overview of FLEX I/O and your Remote I/O Adapter Module

Hardware Components

Diagnostic Indicators

Reset Pushbutton

Address/Group Switches

The adapter module consists of the following major components:

• diagnostic indicators

• reset pushbutton

• remote I/O wiring connections

• 24V dc power wiring connections

• address/group switch assemblies

AllenĆBradley

ADAPTER

ACTIVE FAULT

PWR

LOCAL FAULT

24 VDC

POWER SUPPLY

RIO ADAPTER

1794-ASB

24V dc Common Wiring Connections

+24V dc Wiring Connections

Remote I/O Wiring Connections (connector part no. 942029-03)

Diagnostic Indicators

Diagnostic indicators are located on the front panel of the adapter module. They show both normal operation and error conditions in your remote I/O system. The indicators are:

• Power ON (green)

• Adapter ACTIVE (green)

• Adapter FAULT (red)

• LOCAL FAULT (red)

A complete description of the diagnostic indicators and how to use them for troubleshooting is explained in chapter 4.

Publication 1794ĆUM009D-EN-P - April 2004

1–4 Overview of FLEX I/O and your Remote I/O Adapter Module

Reset Pushbutton

Use the reset pushbutton to reset the adapter module and resume communication when a communication error occurs. (The adapter’s processor restart lockout switch (PRL) must be in the “locked out” position.) If the adapter is not locked out by the PRL switch, it will be automatically reset via special commands sent over the communication link.

Important: Do not cycle power to the adapter to clear a fault. All

queued block transfer instructions will be lost.

Remote I/O Wiring

The remote I/O wiring termination is made to a plug-in connector on the front of the adapter module. Refer to Chapter 2 for information on wiring the connector.

FlipĆopen

cover

ON

S1

Power Wiring

Connections are provided for connecting the required 24V dc power to the front of the module. The power wiring can be daisy-chained to the terminal base unit located next to the adapter to supply power to the module installed in that base unit. Wiring information is shown in Chapter 2.

Address Switch Assemblies

Multi-position switches are provided for:

• starting I/O group

• I/O rack number

• hold inputs

• mode switches for mode 0, mode 1, mode 2, mode 3 and mode 4

• rack fault

87654321

• communication rate

• processor restart lockout (PRL)

• hold last state (outputs)

These switches are accessed by lifting the hinged cover on the front

ON

S2

of the module. Refer to Chapter 2 for switch settings.

Chapter Summary

Publication 1794ĆUM009D-EN-P - April 2004

In this chapter you learned about the FLEX I/O system and features of the remote I/O adapter module.

 

Installing Your Remote I/O Adapter Module

Chapter Objectives

This chapter describes the procedures for installing your remote I/O adapter module. These include:

• power requirements

• mounting the remote I/O adapter

• setting the module switches

ATTENTION

!

Environment and Enclosure

This equipment is intended for use in a Pollution Degree 2 industrial environment, in overvoltage Category II applications (as defined in IEC publication 60664–1), at altitudes up to 2000 meters without derating.

This equipment is considered Group 1, Class A industrial equipment according to IEC/CISPR Publication 11. Without appropriate precautions, there may be potential difficulties ensuring electromagnetic compatibility in other environments due to conducted as well as radiated disturbance.

This equipment is supplied as “open type” equipment. It must be mounted within an enclosure that is suitably designed for those specific environmental conditions that will be present, and appropriately designed to prevent personal injury resulting from accessibility to live parts. The interior of the enclosure must be accessible only by the use of a tool. Subsequent sections of this publication may contain additional information regarding specific enclosure type ratings that are required to comply with certain product safety certifications.

See NEMA Standards publication 250 and IEC publication 60529, as applicable, for explanations of the degrees of protection provided by different types of enclosures. Also, see the appropriate sections in this publication, as well as the Allen–Bradley publication 1770–4.1, (“Industrial Automation Wiring and Grounding Guidelines”), for additional installation requirements pertaining to this equipment.

Publication 1794ĆUM009D-EN-P - April 2004

2–2 Installing Your Remote I/O Adapter Module

ATTENTION

!

ATTENTION

!

Preventing Electrostatic Discharge

This equipment is sensitive to electrostatic discharge, which can cause internal damage and affect normal operation. Follow these guidelines when you handle this equipment:

• Touch a grounded object to discharge potential

static.

• Wear an approved grounding wriststrap.

• Do not touch connectors or pins on component

boards.

• Do not touch circuit components inside the

equipment.

• If available, use a static–safe workstation.

• When not in use, keep modules in appropriate

static–safe packaging.

Remove field-side power before removing or inserting this module. This module is designed so you can remove and insert it under backplane power. When you remove or insert a module with field-side power applied, an electrical arc may occur. An electrical arc can cause personal injury or property damage by:

ATTENTION

!

• sending an erroneous signal to your system’s

field devices causing unintended machine motion

• causing an explosion in a hazardous environ-

ment

Repeated electrical arcing causes excessive wear to contacts on both the module and its mating connector. Worn contacts may create electrical resistance.

FLEX I/O is grounded through the DIN rail to chassis ground. Use zinc plated, yellow chromated steel DIN rail to assure proper grounding. Using other DIN rail materials (e.g. aluminum, plastic, etc.) which can corrode, oxidize or are poor conductors can result in improper or intermittent platform grounding.

Publication 1794ĆUM009D-EN-P - April 2004

2–3Installing Your Remote I/O Adapter Module

Power Requirements

Mounting the Remote I/O Adapter

A

The Remote I/O adapter module requires a current of 450mA at 24V dc from an external power supply for flexbus operation. This is sufficient to support the flexbus current requirements of 8 modules. Remember to add this amount to current requirements for other modules using the same 24V supply.

The remote I/O adapter module can be DIN rail or wall/panel mounted. Refer to the specific method of mounting below.

Mounting on a DIN Rail before installing the terminal base units

B



C

1. Position the remote I/O adapter module A on a 35 x 7.5mm DIN rail B (A-B pt. no. 199-DR1; 46277-3; EN 50022) at a slight angle.

2. Rotate the adapter module onto the DIN rail with the top of the rail hooked under the lip on the rear of the adapter module.

3. Press the adapter module down onto the DIN rail until flush. Locking tab (C) will snap into position and lock the adapter module to the DIN rail.

If the adapter module does not lock in place, use a screwdriver or similar device to move the locking tab down while pressing the adapter module flush onto the DIN rail and release the locking tab to lock the adapter module in place. If necessary, push up on the locking tab to lock.

4. Connect the adapter wiring as shown under “Wiring” later in this document.

Make certain that the DIN rail is properly

IMPORTANT

grounded to the panel. Refer to “Industrial Automation Wiring and Grounding Guidelines,” publication 1770-4.1.

Publication 1794ĆUM009D-EN-P - April 2004

2–4 Installing Your Remote I/O Adapter Module

Mounting (or Replacing) the Adapter on an Existing System

ATTENTION

!

1. Remove the RIO plug-in connector from the front of the adapter.

2. Disconnect any wiring connected to the adjacent terminal base.

3. Using a screwdriver or similar tool, open the lock and remove the

module from the base unit to which the adapter will be attached.

4. Push the flexbus connector toward the right side of the terminal

base to unplug the backplane connection.

ATTENTION

!

If you connect or disconnect wiring while the field side power is on, an electrical arc can occur. This could cause an explosion in hazardous location installations. Be sure that power is removed or the area is nonhazardous before proceeding.

Make certain that the flexbus connector is completely clear of the adapter. The slide must be completely to the right and the raised spot on the slide visible.

5. Release the locking tab and remove the adapter.

6. Before installing the new adapter, notice the notch on the right

rear of the adapter. This notch accepts the hook on the terminal base unit. The notch is open at the bottom. The hook and adjacent connection point keep the terminal base and adapter tight together, reducing the possibility of a break in communication over the backplane.

ATTENTION

!

7. Place the adapter next to the terminal base unit and push down to

mate the hook into slot.

Make certain that the hook on the terminal base is properly hooked into the adapter. Failure to lock the hook into the adjacent base/adapter can result in loss of communication on the backplane.

Publication 1794ĆUM009D-EN-P - April 2004