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Installation and Commissioning
3.6
Demounting the CP 243-1 IT
Warning
!
If you attempt to install or remove the CP 243-1 IT or other devices while they are
on, you may receive an electric shock or the devices may not work properly.
If the power is not switched off for the CP 243-1 IT and all connected devices while
the devices are being installed/removed, this may cause injury and/or property
damage.
Take all necessary safety precautions and make sure that the power for the S7-200
and the CP 243-1 IT is turned off before you begin wiring.
Proceed as shown below to remove the CP 243-1 IT/another expansion module of
the S7-200.
1. Turn off the power supply of the S7-200 CPU, the CP 243-1 IT and all expan-
sion modules.
2. Disconnect all cables and lines from the device which you want to remove.
3. Open the front covering flap and disconnect the ribbon cable from the adjacent
modules.
4. Disconnect the screws or open the snap catch and remove the module from the
control panel or the DIN rail.
Warning
!
If you install the wrong device, the S7-200 may become unpredictable.
If the CP 243-1 IT is replaced by a different model or not aligned correctly, this may
cause injury and/or property damage.
Only replace the CP 243-1 IT with the same model and align it correctly.
54
03/03
CP 243-1 IT
J31069-D0429-U001-A0-7618
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