Terminal
Text
50
MAINS V N
51
MAINS V L3
52
MAINS V L2
53
MAINS V L1
54
GEN V N
55
GEN V L3
56
GEN V L2
57
GEN V L1
58
CAN L (Reserved)
59
CAN H (Reserved)
60
Reserved
61
Reserved
4.4 Typical wiring diagrams
Figure 4.1
SGC 420 typical wiring
P1
P2
L1
s1
s2
L2
G
L3
N
P2
s2
P1
s1
43
42 45 44 47 46 49
Supply
1
2
-
+
USER MANUAL 4189341227A UK
P1
P2
s1
s2
P1
P2
s1
s2
48
54 55 56 57
AC voltage
AC current CT
genset
Outputs
3
4
5
6
7
8
9
10
F1
+
B+
G
+
D+
‐
Description
Voltage input from Mains Neutral
Voltage input from Mains Phase L3
Voltage input from Mains Phase L2
Voltage input from Mains Phase L1
Voltage input from Gen Neutral
Voltage input from Gen L3
Voltage input from Gen L2
Voltage input from Gen L1
CAN Low
CAN High
-
-
GB
F4
‐
33 34 35 36 37 38 39 40 41
Digital inputs (configurable)
Analogue inputs
11 12 13
16
14 15 21
22
Engine
body
MB
50 51 52 53
AC voltage
Mains
BTS
RS485
battery
24 25
31 32
Connector
BCP-508-7GN-4PA
BCP-508-4GN
L1
L2
L3
N
F5
CAN
ECU
58 59
Page 18 of 86