Rockwell Automation 1756-HSC ControlLogix High Speed Counter Module - Manual (Page 42)

Rockwell Automation Publication 1756-UM007C-EN-P - November 2011
42 Install and Wire the ControlLogix High-speed Counter Module
2. Slide the module into the chassis until the module’s top and bottom
locking tabs ‘click’.
Key the Removable
Terminal Block
You should key the RTB to prevent inadvertently connecting the incorrect
RTB to your module.
When the RTB mounts onto the module, keying positions will match up. For
example, if you place a U-shaped keying band in slot 4 on the module, you
cannot place a wedge-shaped tab in slot 4 on the RTB or your RTB will not
mount on the module.
Locking Tab
20862-M