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HGM1780 Automatic Genset Controller

ISSUE 2013-04-03

Version1.7

Page 22 of 24

HGM1780 Automatic Genset Controller

CONNECTIONS

◆ Terminal 1 (B-): Connect to the negative of the start battery.

◆ Terminal 2 (B+): Connect to the positive of the start battery.

◆ Terminal 3 (Em. stop input)：Emergency stop input (active when connect to B+)，

external connect to emergency shutdown normally closed button.

◆ Terminal 4 (Fuel Output): Fuel output port (output B+), external connect to fuel relay,

contactor capacity 1A.

◆ Terminal 5 (Start Output): Start output port (output B+), external connect to start

relay, contactor capacity 1A.

◆ Terminal 6 (Remote Start Input): Remote start input, active when connected to B-.

◆ Terminal 7 (Configurable Input): Configurable input port, can be configured as

digital signal or fuel level sensor signal; digital input active when connected to B-.

◆ Terminal 8 (Oil Pressure Input): Low oil pressure or sensor signal input port, active

when connected to B-.

◆ Terminal 9 (Engine Temp Input): High water/cylinder temperature or sensor input

port, active when connected to B-.

◆ Terminals 10 (L), 11(N): External connect to generator voltage signal to judge

successful start and provide over and under speed protection.

◆ Terminal 12 (Load(I*)): Load current (inlet wire).

◆ Terminal 13 (Load(I)): Load current (outlet wire).

◆ Terminal 14 (Configurable Output): Configurable output port (output B+), can be

configured via PC, contactor capacity 1A.

◆ Terminal 15 (Magnetic pickup): Magnetic pickup signal input, shielded wire is

recommended.

◆ PC configurable socket (LINK): Connect to SG72 module and PC via USB port for

parameter setting.

Smartgen HGM1780 User Manual

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