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Connecting up
5.5 Serial interface
Position and assignment
Figure 5-2
Contact
F1
F2
Signaling faults
● The signaling of errors by the signaling contact is synchronized with the fault LED "F",
see section ""F" LED (Page 31)".
All errors that the fault LED "F" indicates (freely configurable) are also signaled by the
signaling contact.
● If an internal fault occurs, the fault LED "F" lights up and the signaling contact opens.
● If you connect a communications node to an unmonitored port or disconnect it, this does
not cause an error message.
● The signaling contact remains open until one of the following events occurs:
– The problem is eliminated.
– The current status is entered in the fault mask as the new desired status.
54
Position of the signaling contact based, for example on the SCALANCE XC-200 with 8
ports and assignment of the terminal block
Assignment
Fault contact 1
Fault contact 2
Operating Instructions, 04/2018, C79000-G8976-C442-04
SCALANCE XC-200
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