Rockwell Automation Publication 5069-UM004A-EN-P - April 2019 23
Digital Module Operation in a Control System   Chapter 1
Table 5 - Compact 5000 I/O Digital Module Parts
Item Item Description
1 DIN rail latch Locks the module on the DIN rail.
2 Module and 
power status 
indicators
Standard modules:
• STATUS - Displays the status of communication and module health. 
Safety modules:
• MOD Status - Displays the status of communication and module health. 
• SA - Displays whether SA power is applied to the module. 
3 I/O status 
indicators
Displays the status of the input/output point. 
4 Interlocking 
pieces
Securely installs Compact 5000 I/O digital modules in the system.
5 RTB handle Anchors the RTB on the module.
6 RTB Provides a wiring interface for the module.
7 MOD Power bus 
and SA Power 
bus connectors
Pass system-side and field-side power across the internal circuitry of the 
module in a Compact 5000 I/O system. The connectors are isolated from 
each other.
8 RTB lower tab Hooks RTB onto the module to begin installation.
9 Lower hook Used with cable tie after you wire the module.