Function description
Operating Manual PSS u2 B1, PSS u2 B4
1003626-EN-01
11
Restoring the electrical connection to the left-hand module
Prerequisite:
Supply voltage is switched off. Backplanes may only be inserted or removed when the sup-
ply voltage is switched off.
The backplane is uninstalled from the mounting rail.
1. The yellow contact block is
countersunk. Use a screwdriver
to move the yellow contact block
into the central position.
2. Turn the backplane to the
rear. Use a screwdriver to press
the yellow contact block back
into its start position.
3. Move the yellow contact block
into the position shown. The
electrical connection to the left-
hand slot is now established.