Connection
5.2 Signaling contact
SCALANCE X-200
140 Operating Instructions, 12/2011, A5E00349864-19
5.2 Signaling contact
Signaling contact
The signaling contact (relay contact) is a floating switch with which error/fault states can be
signaled by breaking the contact.
The signaling contact is connected to a 2-pin plug-in terminal block.
Exception:
The signaling contact on the SCALANCE X204 IRT PRO and SCALANCE X202-2P IRT
PRO is connected using a 5-pin b-coded M12 socket.
IE Switches X-200 SCALANCE X204 IRT PRO,
SCALANCE X202-2P IRT PRO,
SCALANCE X201-3P IRT PRO
Pin number Assignment Pin number Assignment
Pin 1 F1 Pin 1 F1
Pin 2 F2 Pin 2 n. c.
- - Pin 3 n. c.
- - Pin 4 F2
- - Pin 5 n. c.
The following errors/faults can be signaled by the signaling contact:
● The loss and the establishment of a link on a monitored port.
● The failure of one of the two redundant power supplies.
● The loss of the connection to the controller in PROFINET IO mode.
● The redundancy manager signals an error
Note
SCALANCE X204 IRT PRO, SCALANCE X202-2P IRT PRO and S
CALANCE X201-3P
IRT PRO have no redundant power supply
● Incompatible C-PLUG was inserted.
The connection or disconnection of a communication node on an unmonitored port does not
lead to an error message.
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