Siemens Industrial Ethernet Switches SCALANCE X-200 - Manual (Page 141)

Connection
5.2 Signaling contact
SCALANCE X-200
Operating Instructions, 12/2011, A5E00349864-19
141
The signaling contact remains activated until the error/fault is eliminated or until the current
status is applied as the new desired status using the button.
When the IE Switch X-200 is turned off, the signaling contact is always activated (open).