8 Installation
8.3 Connecting the power supply
56
XN-312-GW-EC gateway
07/20 MN050010-EN Eaton.com
Figure 26:
Connection of power supply
▶
Connect the 24 V DC voltage to the connection terminals X3
on the front
side of the gateway.
Miniature circuit-breaker F1 for POW
•
Cable protection in accordance with DIN VDE 0641 Part 11, IEC/
EN 60898:
•
Miniature circuit-breaker 24 V DC rated operational current 3 A;
trip type C or
•
Fuse 3 A, utilization category gL/gG
•
Cable protection for cable AWG 24 in accordance with UL 508 and CSA-
22.2 no. 14:
•
Miniature circuit-breaker 24 V DC rated operational current 3 A;
trip type C or
•
Fuse 3 A
Connection example
Figure 27:
Connecting example for XN-312-GW-EC gateway in XN300 system
3 mm
(0.12”)
F1
X3
U
e
= 24 V DC
(18 - 30 V DC SELV)
V+
V+
0 V
0 V
0 V
24 V DC
I
e
≦ 2.5 A
24 V DC
V+
0 V
V+
0 V
GND
PE
system bus
0 V
U
BP_24V
+24 V DC
U
BP_5V
+5 V DC
U
POW
X3
XN-312-GW-EC
XN-322
XN-322
≦ 31 x XN-322
