Scalar i500 User's Guide
6 Open the module's access door and raise the guide pin by pulling it
up and turning it slightly as if it were a screw. Otherwise, the guide
pin may scratch the front doors of the module beneath it.
7 Slide the entire module toward you and lift it off of the module below
it.
Chapter 12 Installing, Removing, and Replacing
Replacing the Control Module
1
Control module (front)
2
Thumbscrews
3
Control module (rear)
1
Guide pin
2
Thumbscrew
386