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Allen-Bradley 1756-IB16IF User Manual

Allen-Bradley 1756-IB16IF
258 pages
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ControlLogix Digital I/O Modules
Catalog Numbers 1756-IA8D, 1756-IA16, 1756-IA16I, 1756-IA32, 1756-IB16, 1756-IB16D, 1756-IB16I, 1756-IB16IF, 1756-IB32,
1756-IC16, 1756-IG16, 1756-IH16I, 1756-IM16I, 1756-IN16, 1756-IV16, 1756-IV32, 1756-OA8, 1756-OA8D, 1756-OA8E,
1756-OA16, 1756-OA16I, 1756-OB8, 1756-OB8EI, 1756-OB8I, 1756-OB16D, 1756-OB16E, 1756-OB16I, 1756-OB16IEF,
1756-OB16IEFS, 1756-OB16IS, 1756-OB32, 1756-OC8, 1756-OG16, 1756-OH8I, 1756-ON8, 1756-OV16E, 1756-OV32E,
1756-OW16I, 1756-OX81
User Manual

Table of Contents

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Allen-Bradley 1756-IB16IF Specifications

General IconGeneral
ManufacturerAllen-Bradley
Input Channels16
Voltage Input Range10-30V DC
Backplane Current @ 24VDC0 mA
Slot Width1
Input Current2.5 mA
Resolution16 bits
Isolation Voltage50V
Temperature Rating0…60 °C (32…140 °F)
CompatibilityControlLogix

Summary

Chapter 2 Digital I/O Operation in the ControlLogix System

Internal Module Operation

Discusses signal propagation delays within I/O modules.

Rack-optimized Connections

Describes economizing bandwidth for remote chassis connections.

Input Module Operation

Details how controllers obtain input status via multicast (COS/RPI).

Input Modules in a Local Chassis

Discusses RPI and Change of State (COS) parameters for local chassis.

Input Modules in a Remote Chassis

Describes RPI and COS behavior for input modules in remote chassis.

Output Module Operation

Explains how owner-controllers send output data.

Output Modules in a Local Chassis

Describes local chassis output module updates at task end and RPI.

Output Modules in a Remote Chassis

Explains how owner-controllers send data to remote chassis output modules.

Configuration Changes in an Input Module with Multiple Owners

Advises caution when changing configuration data with multiple owners.

Chapter 3 Common Module Features

Removal and Insertion Under Power

Allows module insertion/removal while power is applied for system availability.

Module Fault Reporting

Describes hardware and software indication of module faults.

Software Configurable

Explains configuring modules and retrieving information using RSLogix 5000 software.

Electronic Keying

Compares expected module configuration with physical module before communication.

Module Inhibiting

Describes suspending connections for maintenance or temporary disabling.

Use CIP Sync Time with Fast I/O Modules

Explains using CIP Sync for timestamps and scheduling in fast I/O modules.

Set RPI

Describes setting the Requested Packet Interval (RPI) in module properties.

Configurable Point-level Output States

Explains configuring unique output states for Program or Fault modes.

Electronic Fusing

Describes internal or mechanical fusing to protect output modules from overcurrent.

Diagnostic Latch of Information

Allows diagnostic I/O modules to latch a fault position even after the error condition disappears.

Time-scheduled Output Control

Enables turning outputs On or Off at a scheduled time using program logic.

Chapter 4 Diagnostic Module Features

Open Wire Detection

Verifies field wiring by checking for minimum leakage current.

Field Power Loss Detection

Detects field power loss on specific output modules, sending a point-level fault.

Field-side Output Verification

Verifies logic-side instructions are accurately represented on power side of device.

Pulse Test

Verifies output circuit functionality without changing load device state.

Chapter 5 Fast Module Features

Pulse Capture

Detects or latches short duration pulses for fast input modules.

Per Point Timestamping and Change of State

Records timestamps in CIP Sync format for input transitions.

Programmable Fault State Delays

Defines output states in Fault mode due to communication failure.

Pulse Width Modulation

Provides precise, onboard control of output pulse trains.

Minimum On Time, Extend Cycle, and Stagger Output

Useful options for time-proportional control applications.

PWM Configuration

Steps to configure Pulse Width Modulation (PWM) settings.

Chapter 6 Install ControlLogix I/O Modules

Install the Module

Describes installing or removing modules while chassis power is applied (RIUP).

Key the Removable Terminal Block

Explains keying RTBs to prevent incorrect wiring to modules.

Install the Removable Terminal Block

Provides steps for installing the RTB onto the module to connect wiring.

Remove the Removable Terminal Block

Details the procedure for removing the RTB from the module.

Remove the Module from the Chassis

Explains how to remove a module from its chassis.

Chapter 7 Configure ControlLogix Digital I/O Modules

Configuration Process Overview

Outlines steps for module configuration using RSLogix 5000 software.

Create a New Module

Guides on adding new local or remote I/O modules in RSLogix software.

Edit the Configuration

Explains reviewing and editing module configuration dynamically.

Connection Properties

Defines controller-to-module behavior and connection settings.

Communication or Connection Formats

Explains choosing formats that determine configuration options and data transfer.

Appendix A Troubleshoot Your Module

Status Indicators for Input Modules

Describes status indicators on input modules and their meanings.

Status Indicators for Output Modules

Describes status indicators on output modules and their meanings.

Fault Type Determination

Guides on determining fault types by monitoring module configuration properties.

Appendix B Tag Definitions

Standard and Diagnostic Input Module Tags

Describes Configuration and Input tags for standard and diagnostic input modules.

Standard and Diagnostic Output Module Tags

Describes Configuration, Input, and Output tags for standard/diagnostic output modules.

Fast Input Module Tags

Lists tags for fast input modules, including Configuration, Input, Output, and Event types.

Fast Output Module Tags

Lists tags for fast output modules, including Configuration and Data types.

Appendix C Use Ladder Logic To Perform Run Time Services and Reconfiguration

Reset a Fuse, Perform Pulse Test and Reset Latched Diagnostics

Shows ladder logic for resetting fuses, performing pulse tests, and resetting latched diagnostics.

Perform a WHO to Retrieve Module Identification and Status

Shows using a WHO service to retrieve module identification and status information.

Appendix D Choose a Correct Power Supply

Appendix F Major Revision Upgrades

If Using a Compatible or Disabled Keying I/O Configuration

Explains direct replacement of 2.x modules with 3.x modules using Compatible/Disabled Keying.

If Using an Exact Match Keying Configuration

Details actions needed for Exact Match keying when replacing 2.x with 3.x modules.

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