BECKHOFF CX50x0 - Manual (Page 26)

Notes on the documentation
24 CX50x0 - Hardware Documentation
E_S_UPS_State
eSUPS_PowerOK:
in all modes: Power supply is OK
eSUPS_PowerFailure:
in all modes: Power supply is faulty (only shown for one PLC cycle)
eSUPS_WritePersistentData:
in Mode eSUPS_WrPersistData_Shutdown: Writing of persistent data is active
in Mode eSUPS_WrPersistData_NoShutdown: Writing of persistent data is active
eSUPS_QuickShutdown:
in Mode eSUPS_WrPersistData_Shutdown: QuickShutdown is active
in Mode eSUPS_ImmediateShutdown: QuickShutdown is active
eSUPS_WaitForRecover:
in Mode eSUPS_WrPersistData_NoShutdown: wait for the reestablishment of the
power supply
in Mode eSUPS_CheckPowerStatus: wait for the reestablishment of the power
supply
eSUPS_WaitForPowerOFF:
in Mode eSUPS_WrPersistData_Shutdown: Wait for switching off of the PC by the
UPS
in Mode eSUPS_ImmediateShutdown: Wait for switching off of the PC by the UPS