Connecting up
5.3 Signaling contact
SCALANCE XR-300M PoE
46
Compact Operating Instructions, 05/2016, A5E02661178-10
5.3
Signaling contact
5.3.1
24 V DC signaling contact (XR-300M)
24 V DC signaling contact
Note
Supply voltage at signaling contact for XR-300M and XR-300M-PoE
At the signaling contact, there is always a voltage of 24 VDC even if the device can be
operated with 100 to 240 VAC.
●
The signaling contact is connected to a 2-pin plug-in terminal block.
The signaling contact can be subjected to a maximum load of 100 mA (safety extra-low
voltage SELV, 24 V DC).
Table 5- 1
Pin assignment of the 24 VDC signaling contact
Pin number
Assignment
Pin 1
F1
Pin 2
F2
To wire up the signaling contact, use a copper cable of category 18-12 AWG or cable with a
cross-section of 0.75 to 2.5 mm².
Spare parts
Component
Description
Order number
Terminal block 2-pin
2-pin terminal block for signaling contacts 24 to 48 VDC;
for SCALANCE X,W,S,M;
pack of 5;
6GK5980-0BB00-0AA