GC-1F Installation Instructions and Reference Handbook
DEIF A/S Page 9 of 123
3. General product information
This chapter includes overall product information about the unit in general and its place in the
DEIF product range.
Introduction
The concept of the GC-1F is to offer a simple and effective solution to genset builders, who
need a flexible yet cost-competitive protection and control unit for small and medium-sized
generators.
Type of product
The Generator Controller GC-1F is a microprocessor-based control unit containing all necessary
functions for protection and control of a power generator. Besides the control and protection of
the diesel engine it contains a full 3-phase AC voltage and current measuring circuit. The unit is
equipped with an LCD display presenting all values and alarms.
Standard functions
Engine control
Start preparation (preheating or prelubrication)
Start/stop sequences with selectable number of start attempts
Fuel solenoid selection (coil type)
Idle speed control
Local or remote start/stop
Stop sequence with cooling down
Command timers
Shut down override (fire pump)
Fuel logic
Running feedback detection selectable
o Generator Hz/V
o Charger alternator input (W terminal)
o Binary input (D+)
o Oil pressure
o RPM input
Engine monitoring
Three configurable inputs, all selectable between
o VDO or
o 0(4) to 20 mA from active transducer or
o Binary with wire break
o Six binary inputs, configurable
RPM input, selectable
o Magnetic pickup
o NPN or PNP pickup
o Tacho generator
o Charger alternator W terminal