User's Manual

Automation and Drives - SCE
T I A Training Document Page 47 of 64 Module
14. In the hardware configuration, at Properties of the CPU, a fixed cycle time can be set for
executing OB35.
However, this cycle time should not be selected too short. It has to be ensured that all blocks
called from OB35 can be processed within this time, and if OB1 is used at the same time, that
there is enough time for it also. (→ Execution)
Enter execution
time
15. Open ‘OB35’ from SIMATIC Manager (→ OB35)
Double click on block
'OB35'
Preface Fundamentals Discontinuous Action Controllerr Controller Block (S)FB41 Setting the System Appendix
B3
Issued: 02/2008 Control Engineering with STEP 7