GC-1F Installation Instructions and Reference Handbook
DEIF A/S Page 15 of 123
44 Gen. current L3, s2
3-phase mains voltage inputs
28 Mains voltage L1
29 Mains voltage neutral
30 Mains voltage L2
31 Not used, must not be connected
32 Mains voltage L3
Breaker relays
45 Relay R45. Contact ratings 2 A 30 V DC/250 V AC
(UL/cUL Listed: Contact ratings 2 A 30 V DC/30 V AC)
Generator circuit breaker/configurable, function
NO (normally open).
46 Relay R45
Optional relay for closing mains breaker (option B3)
47 Relay R47. Contact ratings 2 A 30 V DC/250 V AC
(UL/cUL Listed: Contact ratings 2 A 30 V DC/30 V AC)
Mains circuit breaker/configurable, function NC
(normally closed). Option B3
48 Relay R47
Optional relay NO contact (option M19)
47 Relay R47. Contact ratings 2 A 30 V DC/250 V AC
(UL/cUL Listed: contact ratings 2 A 30 V DC/30 V AC)
Mains circuit breaker/configurable, function NO
(normally open)
48 Relay R47
Optional Modbus RS-485 interface (option H2)
49 B (-)
Modbus RS-485 RTU or ASCII
50 GND
51 A (+)
Optional CAN bus port #1: Engine interface (option H5)
53 CAN-H
CAN J1939 engine communication
54 CAN-GND
55 CAN-L
Optional CAN bus port #2: AOP-2 (option X4)
57 CAN-H
CAN communication line to AOP-2
58 CAN-GND
59 CAN-L
Optional CAN bus port #2: External I/O interface (option H8)
57 CAN-H
CAN communication port to external I/O
58 CAN-GND
59 CAN-L
* If terminal 20 is used for emergency stop, please see wiring diagram below.
** 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 deenergise and the
switch will open. If the unit fails to start up at power-up, then the relay switch will remain open.
The relay output functions are configurable via the PC utility software and can be configured to
cover the following functions:
- Alarm/limit
- Engine run indication
- Horn
- Idle speed output
- Not used
- Prepare
- Run coil
- Starter
- Stop coil
- Engine heater
- Stop coil (not acc. in start seq.)
- Fuel pump