Installing And Removing The Interface Submodules - Siemens S5-135U/155U System Manual

5.11.1

Installing and Removing the Interface Submodules

To use an interface submodule, you must first install it in the CPU (outside
the central controller).
Caution
!
Switch off the power supply of the programmable controller before
removing the CPU.
Installation
Install your interface submodule in the following steps:
Step
System Manual
C79000-G8576-C199-06
CPUs, Memory Cards, Memory Submodules, Interface Submodules
Action
1 Check the jumper settings of your interface submodule:
PG submodule
V.24 submodule
TTY submodule
RS422 A/485 submodule
SINEC L1 submodule
When the interface submodule is delivered, the jumpers are
already set so that you can usually fit it immediately.
2 Switch off the power supply of your PLC.
3 Remove the CPU.
4 Remove both screws on the submodule slot.
5 Remove the coverplate.
6 Insert the interface submodule through the front plate into the
plug-in connector (components in the same direction as the CPU).
7 Secure the submodule with the two screws (see step 4).
8 Insert the CPU in the central rack.
9 Switch on the power supply of your PLC again.
See Section 5.11.2
See Section 5.11.3
See Section 5.11.4
See Section 5.11.5
See Section 5.11.6.
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