Step 7, Step Viii: Modifying And Loading Organization Blocks - Siemens SIMATIC S7-400H Manual

10.5.8

STEP 7, Step VIII: Modifying and loading organization blocks

Initial situation
The fault-tolerant system is working in the Redundant system mode.
Procedure
1. Make sure that the interrupt OBs 4x and 82 no longer react to interrupts from
the removed components.
2. Load the modified OBs and the program segments affected by these into the
PLC.
Result
The fault-tolerant system is working in the Redundant system mode.
S7-400H Programmable Controller Fault-Tolerant Systems
A5E00068197-04
Modifications to the System while in Operation
10-41