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3–2
PBK Module Operation
Installing channel modules
CAUTION
Ensure that channel module installation instructions are precisely
followed! Faulty installation procedures may destroy the channel
modules.
L
Switch OFF controller power supply unit and 24 V power supply.
L
Remove the connector of the 24 V power supply from the front panel of the
PBK.
L
Loosen both knurled screws on the PBK, and pull the module out of the mod-
ule rack.
The module slot labelled "M 1" must always be equipped. To ensure im-
proved heat dissipation, the equipping shall start at the bottom and progress
upward.
L
Unscrew dummy cover.
L
Carefully push the channel module into the slot. When doing so, it is essen-
tial that
D it is squarely aligned in the guide grooves.
D it is fully seated in the plug-in strip.
Guide groove
Plug-in strip
1070 072 133-102 (99.11) GB
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