Removal - Siemens S5-155U System Manual

Removal

System Manual
C79000-B8576-C199-03
Remove your interface submodule in the following steps:
Step Action
1 Switch off the power supply of your PLC.
2 Remove the CPU from the central controller.
3 Slacken the two locking screws of the submodule and pull
it out of the receptacle.
4 Fit another submodule (as already described) or close the
receptacle with its cover. Use the fixing screws of the
submodule.
5 Insert the CPU in the central controller.
6 Switch the power supply of your PLC on again.
Note
Since the interface module is secured to the CPU with screws,
interference pulses are given a path to ground via the shield of the
CPU. The CPU should only be operated with the submodule
receptacle closed (by a cover or submodule).
Interface Submodules
5 - 67
5