Terminal Technical data
Description
37
Not used, must not be connected
38
Gen. voltage L3
3-phase generator current input
39
Gen. current L1, s1
Generator current
40
Gen. current L1, s2
41
Gen. current L2, s1
42
Gen. current L2, s2
43
Gen. current L3, s1
44
Gen. current L3, s2
3-phase busbar voltage inputs
28
Busbar voltage L1
Busbar voltage
29
Busbar voltage neutral
30
Busbar voltage L2
31
Not used, must not be connected
32
Busbar voltage L3
Breaker relays
45
Relay R45. Contact ratings 2 A 30V DC/
250V AC
(UL/cUL Listed: Contact ratings 2 A 30V DC/
30V AC)
Configurable, function NO (normally open)
46
Relay R45
47
Relay R47. Contact ratings 2 A 30V DC/
250V AC
(UL/cUL Listed: Contact ratings 2 A 30V DC/
30V AC)
Configurable, function NO (normally open)
48
Relay R47
Modbus RS485 interface
49
B (-)
Modbus RS485 RTU or ASCII
50
Data GND
51
A (+)
CANbus port A: Engine interface
53
CAN-H
CAN J1939 engine communication
54
Data GND
55
CAN-L
Optional CANbus port B: AOP-2 interface
57
CAN-H
CAN communication line to AOP-2
58
Data GND
59
CAN-L
GCU 100 installation instructions
4189340799 UK
Terminals
DEIF A/S
Page 10 of 31
