For which pressure level (German: DruckNiveau) do you use the SafetyValve add-on? DN10, DN11, DN12?
And which Performance Level (PLc, PLd, PLe) do the pneumatic movements have ?
The SafetyValve add-on is designed to monitor either two physical safety valves or one physical safety valve + Aventics U_A voltage (see PDF in documentation):
or
The latest Bosch Norm N54 D2 actually allows a new setup.
Do you have such a use case?
If yes, the current solution would be to use a BinIo flag for the second parameter IsValve2Off.
... View more