Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 74

Basic Operating Procedure
1,2,3...
Phillips
screwdriver
2. Install the Serial Communications Board.
CS-series Serial Communications Unit
1. Catch the hook on the top of the back of the Unit on the Backplane, and
then rotate the Unit downward to mount it.
Hook
Backplane
2. Insert the Unit firmly into the Backplane connector.
3. Tighten the screw at the bottom of the Unit with a Phillips screwdriver to a
torque of 0.4 N • m. For this operation, the Phillips screwdriver must be
placed at a slight angle. Therefore, leave sufficient space at the bottom of
the Unit.
Duct
At least 20 mm
CPU Unit
Backplane
I/O Power
Supply Unit
Remote I/O
Unit
At least 20 mm
Duct
Section 1-9
45