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1)
Speed Sensor Input
Speed sensor is the magnetic equipment which be installed in starter and for detecting teeth of
flywheel. Its connection wires to controller should apply for 2 cores shielding line. The shielding layer
should connect to No. 16 terminal in controller while another side is hanging in air. The else two signal
wires are connected to No.15 and No.16 terminals in controller. The output voltage of speed sensor
should be within (1~24) V AC (effective value) during the full speed. 12V AC is recommended (in rated
speed). When install the speed sensor, let the sensor is spun to contacting flywheel first, then, port out
1/3 lap, and lock the nuts of sensor at last.
2)
Output And Expand Relays
All outputs of controller are relay contact output type. If need to expand the relays, please add
freewheel diode to both ends of expand relay‟s coils (when coils of relay has DC current) or, increase
resistance-capacitance return circuit (when coils of relay has AC current), in order to prevent
disturbance to controller or others equipment.
3)
AC Input
Current input of controller must be connected to outside current transformer. And the current
transformer‟s secondary side current must be 5A. At the same time, the phases of current transformer
and input voltage must be correct. Otherwise, the collected current and active power may be not
correct.
NOTE: ICOM port must be connected to negative pole of battery.
WARNING! When there is load current, transformer‟s secondary side is prohibited to open circuit.
4)
Withstand Voltage Test
CAUTION! When controller had been installed in control panel, if it needs to do the high voltage test, please
disconnect controller‟s all terminal connections, so as to prevent high voltage entering controller and damaging it.
HGM8140 Military Genset Controller
HGM8140 MILITARY GENSET CONTROLLER USER MANUAL
Version 1.2
2019-09-12
Page 45 of 56
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