Siemens CP 1243-8 IRC Operating Instructions Manual page 42

Installation, connecting up, commissioning
3.2 Installing, connecting up and commissioning
Ground the connecting cable of a TS module separately
Connect the connecting cable of a TS module to the periphery (e.g. modem) separately to
functional ground.
Note
Prior to mounting a TS module
For information on mounting a TS module, also read the appropriate sections in the device
manual, see /4/ (Page 136).
Note
Power supply from the power outputs of the CPU
The external power supply of the CP must be supplied via the power outputs of the CPU for
the sensor supply.
Keep within the maximum load of the power output of the CPU, see /1/ (Page 135).
You will find data relating to the current consumption and power loss of the CP in the section
Technical data (Page 105).
Note
Turning off the station when plugging/pulling the CP
Do not only turn off the power supply to the CP. Always turn off the power supply for the
entire station.
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CAUTION
Operating Instructions, 06/2015, C79000-G8976-C385-01
CP 1243-8 IRC