Term Technical data Description
3-phase generator voltage input
33 Gen. voltage L1 GENERATOR VOLTAGE
34 Gen. neutral
35 Not used, must not be connected
36 Gen. voltage L2
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 mains voltage inputs
28** Mains voltage L1 MAINS VOLTAGE
29** Mains voltage neutral
30** Mains voltage L2
31** Not used, must not be connected
32** Mains voltage L3
Breaker relays
45 Relay R45 Generator circuit breaker/configurable, function NO (normally
open)
46 Relay R45
Optional relay for closing mains breaker
47 Relay R47 Mains circuit breaker/configurable, function NC (normally
closed)
48 Relay R47
Modbus RS 485
49 B(-) Modbus RS-485 RTU. Speed is fixed to 9600 bit/s.
50 GND
51 A (+)
CAN bus port: engine interface
53 CAN-H The CAN bus interface to J1939. The 120 ohm termination re-
sistor is wired internally. It is not needed to add an external re-
sistor.
54 CAN-GND
55 CAN-L
* The status relay is the uP watchdog output. This relay is normally energised, and the switch
is closed after power-up. If the uP fails or the power is lost, the relay will de-energise and the
switch will open. If the unit fails to start up at power-up, then the relay switch will remain open.
CGC 400 installation instructions
4189340785 UK
Terminals
DEIF A/S Page 9 of 25
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