Connecting
6.5 Digital input
SCALANCE SC-600
58 Operating Instructions, 10/2021, C79000-G8976-C453-04
Signaling of errors at the digital output
• If the signaling contact is configured as digital output, by default the signaling of
errors does not run parallel to the fault LED "F".
• For an error to also be signaled by the fault LED "F", you must enable the event "Fault
State Change" for the "Digital output" in the WBM under "Events > Configuration". In
this case, the fault LED "F" lights up when an internal error occurs and the signaling
contact is closed.
6.5 Digital input
Information on the digital input
• The digital input can be used to allow authorized access to the device with a key
switch function.
• The digital input is connected using a 2-pin plug-in terminal block (spring-loaded
terminal). The terminal block ships with the device and can also be ordered as a
spare part.
• The voltage applied to the "DI" contact is converted to a digital status by the device
as follows.
• The maximum input current is 8 mA
• The digital input is isolated from the electronics.
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