Rockwell Automation 1756-IF4FXOF2F ControlLogix High-speed Analog I/O Module - Manual (Page 59)

Rockwell Automation Publication 1756-UM005B-EN-P - January 2013 59
Install the Module Chapter 4
Key the Removable
Terminal Block Wedge-shaped keying tabs and U-shaped keying bands came with your RTB to
prevent connecting the wrong wires to your module.
Key positions on the module that correspond to unkeyed positions on the RTB.
For example, if you key the first position on the module, leave the first position
on the RTB unkeyed.
1. Insert the U-shaped band as shown.
2. Push the band until it snaps in place.
3. Insert the wedge-shaped tab with rounded edge first.
4. Push the tab until it stops.
20850-M U-shaped Keying Band
20851–M
1 2
0
3
4 5
6 7
Wedge-shaped Keying Tab
Module Side of RTB
IMPORTANT When keying your RTB and module, you must begin with a wedge-shaped tab
in position 6 or 7.