Rockwell Automation 1738-OW4M12AC ArmorPoint Relay Output Modules, Series A - Manual (Page 6)

Publication 1738-IN008A-EN-E - June 2004
6 ArmorPoint Relay Output Modules, Series A
3. Push the module down until it engages the latching mechanism.
You will hear a clicking sound when the module is properly
engaged.
The locking mechanism will lock the module to the base.
Remove the ArmorPoint Relay Output Module From the
Mounting Base
To remove the module from the mounting base:
1. Put a flat blade screwdriver into the slot of the orange latching
mechanism.
2. Push the screwdriver toward the I/O module to disengage the
latch.
The module will lift up off the base.
3. Pull the module off of the base.