Patent ID: 9389971
Filing Date: 2016-07-12
CPC Classification: G05B,G06F

Claim Text:
1. A method for operating a redundant automation system provided with a first subsystem and a second subsystem, which subsystems each process a control program while controlling a technical process, one of said subsystems operating as a master and another of said subsystems operating as a slave which functions as the master if the master fails, the method comprising the steps of: processing sections of the control program to be processed using the master; transmitting from the master a release to the slave via one of (i) a field bus and (ii) a synchronization connection in each case one of (i) after a predefined interval of time has expired and (ii) after an event has occurred; and processing, based on the release, those processing sections of the control program to be processed in a temporally asynchronous manner using the slave which corresponds to those processing sections of the control program to be processed using the master which has already been processed up to the release.