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Allen-Bradley 1756-IB16S User Manual

Allen-Bradley 1756-IB16S
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1756 ControlLogix Digital Safety I/O Modules
Catalog Numbers 1756-IB16S, 1756-OBV8S
User Manual
Original Instructions

Table of Contents

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Allen-Bradley 1756-IB16S Specifications

General IconGeneral
BrandAllen-Bradley
Model1756-IB16S
CategoryControl Unit
LanguageEnglish

Summary

Chapter 1 Digital Safety I/O Module Operation in a Control System

Overview

Introduces the 1756 ControlLogix Digital Safety I/O modules and their role in control systems.

Controller and Software Compatibility

Details compatibility requirements for controllers and software versions used with the modules.

Overall System Safety Function

Explains the safety application suitability levels and standards compliance for the modules.

Determine Conformity

Guides on ensuring system conformity to relevant safety standards and requirements.

Safety Precautions

Outlines essential safety precautions for using ControlLogix digital safety I/O modules.

Safety Application Requirements

Details requirements for safety applications, including failure rates and reaction times.

Safe State

Defines the safe state for the safety modules and their outputs.

Configuration Signature and Ownership

Explains configuration signatures and ownership between controllers and modules.

Reset 1756 ControlLogix Digital Safety I/O Modules to Out-of-Box State

Provides steps to reset modules to their default out-of-box configuration.

Local I/O Modules or Remote I/O Modules

Explains the distinction and usage of local versus remote I/O modules.

Ownership

Details the controller's role in owning and managing I/O module configurations.

Configure the Modules

Explains the process of configuring modules using the Logix Designer application.

Connections with 1756 ControlLogix Digital Safety I/O Modules

Describes how connections are established between controllers and safety I/O modules.

Configured By Options Available with the 1756 ControlLogix Digital Safety I/O Modules

Details the 'Configured By' options and their impact on data exchange.

Protected Operations

Outlines restrictions on module operations to maintain secure system operation.

Chapter 2 Features Common to 1756 ControlLogix Digital Safety I/O Modules

Module Data Quality Reporting

Describes how module input tags indicate the quality and accuracy of channel data.

Chapter 3 1756-IB16S Input Module Features

Use Test Output with a Safety Input

Explains using test outputs for short circuit and cross-channel fault detection.

Chapter 4 1756-OBV8S Output Module Features

Safety Application Suitability Level

Describes the safety application suitability levels for the 1756-OBV8S module.

Safety Output with Test Pulse

Explains how to pulse test safety output channels to verify power removal ability.

Fault and Status Reporting

Explains how output modules report fault and status data via tags.

Field Power Loss Detection

Monitors for loss of field-side power and the resulting module faults.

No Load Detection

Detects disconnected wires or missing loads for output points.

Short Circuit Protection

Helps prevent damage to outputs from excessive current.

Chapter 5 Configure and Replace Safety Modules

Create a New Module

Guides on creating new local or remote safety modules in Logix Designer.

Edit the Module Configuration Common Categories

Explains how to view and change common configuration parameters for modules.

Edit the 1756-IB16S Module Configuration Categories

Details configuration categories specific to the 1756-IB16S module.

Edit the 1756-OBV8S Module Points Category

Details configuration for output points on the 1756-OBV8S module.

Replace a Safety Module

Discusses the complexity of replacing safety modules on a CIP Safety network.

Replace a Module in a Logix 5000 System

Considers conditions for replacing safety modules in Logix 5000 systems.

Appendix A Troubleshoot Your Module

Use the Logix Designer Application for Troubleshooting

Explains how Logix Designer indicates fault conditions and aids troubleshooting.

Status and Fault Information in Module Properties Categories

Details how to monitor module status and faults via Module Properties categories.

Module and Point Diagnostics

Describes using diagnostics to monitor module/point conditions and troubleshoot issues.

Appendix D Safety Data for Safety Modules

1756-IB16S Safety Data

Lists calculated safety data values (PFD, PFH) for the 1756-IB16S module.

1756-OBV8S Safety Data

Lists calculated safety data values (PFD, PFH) for the 1756-OBV8S module.

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