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.
ControlLogix and ControlLogix-XT Chassis and Slots
Chassis
Slots
1756-A4
4
1756-A7
7
1756-A7XT
1756-A10
10
1756-A10XT
1756-A13
13
1756-A17
17
If you have empty slots in your chassis, you can use the 1756-N2 or 1756-N2XT slot-filler module.
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