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Rockwell Automation Publication 1756-UM001O-EN-P - October 2014 127

Chapter 8

I/O Modules

Selecting ControlLogix

I/O Modules

Rockwell Automation offers several ControlLogix I/O modules for use in

ControlLogix systems. When you select your I/O modules, remember the

following:

• A wide variety of digital, analog, and specialty I/O modules are available

from Rockwell Automation. Some features of these I/O modules include

the following:

– Field-side diagnostics

– Electronic fusing

– Individually isolated inputs/outputs

• Removable terminal blocks (RTBs) or 1492 wiring systems are required

for use with I/O modules.

• 1492 PanelConnect™ modules and cables can be used to connect input

modules to sensors.

For more information about ControlLogix I/O module features, specifications,

and wiring options, see the ControlLogix Selection Guide,

publication 1756-SG001

Local I/O Modules

The ControlLogix chassis that you choose affects how many local I/O modules

you can use. Several ControlLogix chassis sizes are available to suit your

configuration requirements. You can fill the slots of your chassis with any

combination of controllers, communication modules, and I/O modules.

Topic Page

Selecting ControlLogix I/O Modules 127

Local I/O Modules 127

Remote I/O Modules 129

Distributed I/O 132

Reconfigure an I/O Module 135

Determine When Data is Updated 141

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Allen-Bradley ControlLogix Manual do Utilizador Página 127