Connecting
6.6 Signaling contact
SCALANCE X-300
146
Operating Instructions, 05/2016, A5E01113043-20
6.6.2
Signaling contact 100 to 240 VAC / 60 to 250 VDC (X-300EEC)
WARNING
Danger from line voltage
Devices with this mark have a 100 to 240 VAC power supply.
This product can only function correctly and safely if it is transported, stored, set up, and
installed correctly, and operated and maintained as recommended.
Connecting and disconnecting may only be performed by an electrical specialist.
Connect or disconnect power supply cables only when the power is turned off.
Signaling contact 100 to 240 VAC / 60 to 250 VDC
The signaling contact is connected to a 3-pin plug-in terminal block.
Table 6- 17 Pin assignment of the 100 to 240 VAC / 60 to 250 VDC signaling contact
Pin number
Assignment
F1
NC contact
F2
Root
F3
NO contact
To wire up the signaling contact, use a copper cable of category 18-8 AWG or cable with a
cross-section of 0.75 to 6 mm².
NOTICE
Securing cables with dangerous voltage
Make sure that the connector cannot be released accidentally by pulling on the connecting
cable. Lay the cables in cable ducts or cable channels and secure the cables, where
necessary, with cable ties.