HGM1780
Automatic
Genset Controller
ISSUE 2013-04-03
Version1.7
Page 22 of 24
HGM1780 Automatic Genset Controller
8. CONNECTIONS
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Terminal 1 (B-): Connect to the negative of the start battery.
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Terminal 2 (B+): Connect to the positive of the start battery.
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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-.
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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-.
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Terminal 8 (Oil Pressure Input): Low oil pressure or sensor signal input port, active
when connected to B-.
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Terminal 9 (Engine Temp Input): High water/cylinder temperature or sensor input
port, active when connected to B-.
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Terminals 10 (L), 11(N): External connect to generator voltage signal to judge
successful start and provide over and under speed protection.
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Terminal 12 (Load(I*)): Load current (inlet wire).
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Terminal 13 (Load(I)): Load current (outlet wire).
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Terminal 14 (Configurable Output): Configurable output port (output B+), can be
configured via PC, contactor capacity 1A.
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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.
