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 SCALANCE 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.