CPUs, Memory Cards, Memory Submodules, Interface Submodules

Restart

You can also carry out a manual restart of the CPU 948 with the mode

 

switch. The CPU 948 Programming Guide will indicate when a manual

 

restart is permissible.

Step

1

Action

Set the mode switch from STOP to RUN

Result

±Red STOP LED goes off

±RUN LED lights up

±Red BASP LED goes off

For maintenance purposes or in the event of a fault, this startup without user program in single-processor operation can serve to establish whether the CPU is operating without errors.

5-12

System Manual

C79000-G8576-C199-06

Page 152
Image 152
Siemens S5-135U/155U appendix Restart is permissible, Set the mode switch from Stop to RUN