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The parameter “PLC behaviour after voltage dip” allows to set the behavior of the CPU in case of short voltage dips.

PLC_behavior_after_Voltage_dip

If the default setting “Halt” is used, the CPU is changed to STOP mode if a short voltage dip >10 ms occurs. A new powercycle is required.

If the setting “Reboot” is used, CPU will reboot after power supply has recovered to nominal value.