Replacement Of The Cp 243-1; Removing The Cp 243-1 - Siemens SIMATIC NET CP 243-1 Technical Manual

09/02
Note
The front doors of the CP 243-1 must be kept closed during operation.
The device must be installed in such a manner that the upper and lower air ducts
of the module are not obstructed and that air can circulate freely.
3.5

Replacement of the CP 243-1

If the CP 243-1 (6GK7 243-1EX00-0XE0) has to be replaced, reprogramming is not
required since the configuration data and the user program are stored in the
S7-200 CPU as non-volatile data.
3.6

Removing the CP 243-1

Warning
!
If you attempt to install or remove the CP 243-1 or other devices with the equip-
ment switched on, you may receive an electric shock or the devices may not oper-
ate properly.
If the power supply for the CP 243-1 and all connected devices is not switched off
while the devices are being installed or removed, this may result in personal injury
and/or damage to equipment.
Take all necessary safety precautions and ensure the power supply for the S7-200
and the CP 243-1 has been switched off before installing or removing the system.
Proceed as following to remove the CP 243-1 or any other extension module of the
S7-200:
1. Switch off the voltage supply to the S7-200 CPU, the CP 243-1 and all exten-
sion modules.
2. Detach all cables and lines from the device that you wish to remove.
3. Open the front cover and detach the ribbon cable from the adjacent modules.
4. Unscrew the screws or open the locking latch and remove the module from the
control panel or DIN rail.
Warning
!
Installing the wrong device can lead to unexpected results when operating the
S7-200.
Replacing the CP 243-1 by another version or not aligning the device properly can
lead to personal injury and/or damage to the equipment.
Therefore, always replace the CP 243-1 by the same version and align it properly.
CP 243-1
J31069-D0428-U001-A1-7618
Installation and commissioning
27