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Allen-Bradley Compact 1769-OB32 - User Manual

Allen-Bradley Compact 1769-OB32
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Publication 1769-IN031A-EN-P - April 2003
Installation Instructions
Compact 32-point Solid-state 24V dc Source
Output Module
Catalog Number 1769-OB32
Use this document as a guide when installing a Compactâ„¢ 32-point solid-state 24V dc
source output module.
Topic Page
Important User Information 2
Module Description 3
Module Installation 4
System Assembly 5
Mounting Expansion I/O 6
Replacing a Single Module within a System 8
Field Wiring Connections 9
I/O Memory Mapping 12
1769-OB32 Configuration File 13
Spare/Replacement Module Parts 15
Specifications 16
Hazardous Location Considerations 21
For More Information 22
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Allen-Bradley Compact 1769-OB32 Specifications

General IconGeneral
BrandAllen-Bradley
ModelCompact 1769-OB32
CategoryControl Unit
LanguageEnglish

Summary

Important User Information

Module Description

Module Installation

Prevent Electrostatic Discharge

Guidelines for preventing damage from static discharge.

Remove Power

Procedure to ensure safety by removing power before module handling.

System Assembly

Mounting Expansion IO

Minimum Spacing

Required spacing for ventilation around modules.

Panel Mounting

Instructions for mounting modules onto a panel using screws.

Panel Mounting Methods

Using the Dimensional Template

Using a template for accurate panel mounting hole placement.

Using Modules as a Template

Using assembled modules as a template for panel mounting.

DIN Rail Mounting

Replacing a Single Module within a System

Step-by-step guide for replacing a module in an installed system.

Field Wiring Connections

Grounding the Module

Guidelines for grounding the module to a mounting surface.

Output Wiring

Diagram showing basic output wiring for field devices.

Removing the Finger-safe Terminal Block

Wiring the Finger-safe Terminal Block

Simplified Output Circuit Diagram

Wire Size and Terminal Screw Torque

IO Memory Mapping

Output Data File

Description of the output data file structure for module states.

Output Modules Input Data File

Description of the input data file for module states and controller configuration.

1769-0 B32 Configuration File

Program State Word

Defines the program state word and its conditions.

Program Value Word

Defines the program value word and its settings.

Fault State Word

Defines the fault state word and its conditions.

Fault Value Word

Defines the fault value word and its settings.

Program to Fault Enable Bit (PFE)

Explains the PFE bit for mode transition during faults.

Module Default Condition

SpareReplacement Module Parts

General Specifications

Agency Certification

Lists certifications like UL, C-UL, CE, C-Tick.

Hazardous Environment Class

Details suitability for hazardous locations.

Radiated and Conducted Emissions

Information on electromagnetic compatibility testing.

ElectricalEMC Immunity

Lists various immunity test levels the module passed.

Output Specifications

Voltage and Signal Specifications

Specs on voltage, signal delay, leakage, and voltage drop.

Current Handling Specifications

Specs on minimum, continuous, and surge current per point/module.

General Output Parameters

Parameters like number of outputs, bus current, isolation, and groups.

Temperature Derating Graphs

Amperes per Common vs. Temperature

Graph showing current derating per common based on temperature.

Amperes per Module vs. Temperature

Graph showing current derating per module based on temperature.

Output Transient Behavior

Amperes per Point vs. Temperature Derating

Graph showing current derating per point based on temperature.

Transistor Output Transient Pulses

Explains transient pulses in transistor outputs.

Transient Pulse Duration

Hazardous Location Considerations

For More Information

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