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Allen-Bradley Flex I/O User Manual

Allen-Bradley Flex I/O
22 pages
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Installation Instructions
FLEX I/O Digital Input and Output
Modules w/ Diagnostics
Catalog numbers 1794-IB16D, 1794-OB16D
Table of Contents
Topic Page
Important User Information 2
Environment and Enclosure 3
Preventing Electrostatic Discharge 3
North American Hazardous Location Approval 4
Installing Your Digital Input or Output Module 6
Diagnostics 12
Configuring Your Module 15
Specifications 17
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Allen-Bradley Flex I/O Specifications

General IconGeneral
SeriesFlex I/O
ManufacturerAllen-Bradley
Mounting TypeDIN Rail
Housing MaterialPlastic
IP RatingIP20
Product TypeAdapter
Communication ProtocolEtherNet/IP, DeviceNet, ControlNet
Power Supply Voltage24V DC
Operating Voltage24V DC
Temperature Range-20°C to 70°C
DimensionsVaries by model
WeightVaries by model
Model1794

Summary

Important User Information

Environment and Enclosure

Preventing Electrostatic Discharge

Guidelines to prevent damage from static electricity when handling the equipment.

North American Hazardous Location Approval

Installing Your Digital Input or Output Module

Connecting Wiring for the 1794-IB16D Module

Wiring Connections for 1794-IB16D

Connecting Wiring for the 1794-0B16D Module

Wiring Connections for 1794-0B16D

Diagnostics

Diagnostic Functions for the 1794-IB16D

Details diagnostic bits and LED indications for input module errors like open wire or short circuit.

Diagnostic Functions for the 1794-0B16D

Sensor Diagram for the 1794-IB16D Module

Sensor Diagram for the 1794-0B16D Module

Diagram showing load and dummy resistor connection for the 1794-0B16D output module fault detection.

Configuring Your Module

Configuring Your 1794-IB16D Input Module

How to set configuration bits and input filter time for the 1794-IB16D module.

Setting the Input Filter Time

Guide to setting the input filter time using output image bits for the 1794-IB16D module.

Input Filter Time

Configuring Your 1794-OB16D Output Module

How to set configuration bits for the 1794-OB16D output module.

Specifications – 16 Input Module w/ Diagnostics, 1794-IB16D

Specifications – 16 Output Module w/ Diagnostics, 1794-0B16D

General Specifications

Environmental Specifications

Environmental operating conditions including temperature, humidity, vibration, and shock ratings.

Environmental Specifications

Certifications

List of certifications (c-UL-us, CE, KC, EAC, RCM) and their compliance standards.

Derating Curves

1794-IB16D Input Voltage

Derating curve for input voltage of the 1794-IB16D module as a function of ambient temperature.

Sensor Power

Derating curve for sensor power of the 1794-IB16D module as a function of ambient temperature.

Rockwell Automation Support

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