Siemens S5-135U/155U User Manual

Page 144

5-4

System Manual

C79000-G8576-C199-06

Note

All other jumpers on the CPU 948B -3UA13 or the CPU 948B -3UA23 are
required for quality testing by the manufacturer. You must not change these
jumper settings.

Caution

Switch off the power supply before removing or inserting the module.

Proceed as follows to insert the CPU in the central controller:

Step

Action

Release the upper locking bar of the central controller and ensure
that the locking pin for the module is correctly positioned with the
slot-head horizontal.

Select the correct slot (based on the labelling of the locking bar).
Insert the CPUs in the S5-135U/155U CC from slot 11.

Push the module evenly into the guide rail until the lever over the
locking pin is horizontal.

Press the locking pin inwards on the bottom of the module and
rotate it 90

_ clockwise.

Secure the upper locking bar.

Note

If you install the CPU 948 -3UA13 or the CPU 948 -3UA23 as the
replacement for a double-width CPU 948, you must cover the slot which has
been freed up with a blanking plate.

Removing and
Inserting the
Module

Insertion

CPUs, Memory Cards, Memory Submodules, Interface Submodules