Rockwell Automation 1756-RIO ControlLogix Remote I/O (RIO) Communication Interface Module Installation Instr - Manual (Page 10)

10 ControlLogix Remote I/O (RIO) Module
Rockwell Automation Publication 1756-IN610B-EN-P - November 2010
Module Components
Item Description
1 4-character scrolling display
2 Three status indicators:
• RIO indicates the status of the remote I/O network
• CLX indicates the status of the connection to the processor
• OK indicates the module’s own internal state
3 3-pin connector (blue hose) that connects to the remote devices
This is also known as the removable terminal block (RTB).
4 Inside-door label with error codes
IMPORTANT Note that a cable from a 1756-RIO/A module will plug directly
into a 1756-RIO/B module, but it is rotated 180
°.
1
2
1756-RIO/B
Clr
Blue
44777
1
2
3
4
43161
RIO CLX OK
2
1