Operation Mode Selector (Oms) - Lenze i950 Commissioning Manual

Safety functions

Operation mode selector (OMS)

19.17 Operation mode selector (OMS)
This function serves to switch between normal operation and special operation of the drive.
If the OMS safety function is requested via a HIGH signal, the safety function is
switched off in the case of an open circuit. In this case, there exists no safety
function in the case of an open circuit.
DANGER!
When returning to normal operation, automatic restart is not permissible.
Severe injuries and death.
▶ Parameterise manual restart.
WARNING!
Operating mode changeover (OMS) is activated via the safety bus.
If safe communication fails, the OMS function is deactivated.
▶ Configure at least one stop function (STO, SS1 or SS2).
WARNING!
The operation mode selector (OMS) is activated via a safe input.
Incalculable response.
Unintentional restart.
▶ Adapt the polarity of the activation signal to the application.
Preconditions
Functional description
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