Input, Output and LED Settings
System Contact
The
System OK alarm relay (SC) is the devices
»
LIFE
CONTACT
«
.
Its installation location depends on the housing type.
Please refer to the wiring diagram of the device (WDC-contact).
The
System-OK relay (SC) cannot be parameterized. The system contact is an operating current contact that picks-
up, when the device is free from internal faults. While the device is booting up, the
System OK relay (SC) remains
dropped-off. As soon as the system was duly started up, the relay picks up and the assigned LED is activated
accordingly (please refer to chapter Self Supervision).
78
MRU4
DOK-HB-MRU4-2E