Rockwell Automation Publication 1756-UM058G-EN-P - November 2012 37
Chapter 3
Common Module Features
Input Module Compatibility
ControlLogix digital input modules interface to sensing devices and detect
whether they are On or Off.
ControlLogix input modules convert AC or DC On/Off signals from user
devices to appropriate logic level for use within the processor. Typical input
devices include the following:
• Proximity switches
• Limit switches
• Selector switches
• Float switches
• Push button switches
When designing systems with ControlLogix input modules, consider these
factors:
• Voltage necessary for your application
• Current leakage
• Whether you need a solid state device
• Whether your application should use sinking or sourcing wiring
Topic Page
Input Module Compatibility 37
Output Module Compatibility 38
Common Features 39
Common Features Specific to Input Modules 50
Common Features Specific to Output Modules 54
Fault and Status Reporting between Input Modules and Controllers 64
Fault and Status Reporting between Output Modules and Controllers 65
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