User manual

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
Reconfigure an I/O Module 135
Determine When Data is Updated 141