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1
OVERVIEW
HGM4020DC genset controller is specially designed for mobile communication base station, and its
functions are completely followed by the actual situation of the mobile station. It not only fits with auto
start/stop genset function in multiple boot conditions, data measurement function, alarm protection
function and etc, but also can control switches of 6 rectifiers at most and their parameters, at the same
time it can monitor machine room temperature and voltage of battery packs to automatically start/stop
genset and ensure normal working of base station.
HGM4020DC genset controller adopts micro-processor technology with precise parameters
measuring, fixed value adjustment, time setting and set value adjusting functions and etc. All parameters
can be configured from front panel or through programmable interface (USB or RS485 interface) via PC.
It can be widely used in all types of automatic genset control system with compact structure, advanced
circuits, simple connections and high reliability.
2
PERFORMANCE AND CHARACTERISTICS
— 132x64 LCD with backlit, selectable language interface (Chinese and English), push-button
operation;
— Hard-screen acrylic material been used to protect screen with great wear-resisting and
scratch-resisting performance.
— Silicone panel and pushbuttons, which can be used in extreme temperature environment.
— Two ways of RS485 communication port, one of which controls rectifiers and provide 5V power for
them, and the other is used for remote control.
— Suitable for 3-phase 4-wire, 3-phase 3-wire, single phase 2-wire, and 2-phase 3-wire systems with
voltage 120/240V and frequency 50/60Hz;
— Collects and shows mains 3-phase voltage/frequency parameters.
Mains
Line voltage (Uab, Ubc, and Uca)
Phase voltage (Ua, Ub, and Uc)
Frequency Hz
Phase sequence
— For Mains, controller has over and under voltage and loss of phase detection functions, and mains
have rules can be selected.
— Precisely collects parameters about Engine.
Oil Pressure (OP)
Fuel Level (FL)
Speed (RPM)
Voltage of Battery
Voltage of Charger
Hour count accumulation
Start times accumulation
— Machine room temperature can be collected, if temperature is too high, air conditioner in the machine
will be started;
— Battery pack voltage(48V) can be collected, if battery pack is under voltage, generator will be started
to charge the battery;
— 6 start conditions can be grouped at random: mains abnormal signal, remote start signal, mains
abnormal and temperature of machine room is high, mains abnormal and battery pack voltage is low,
scheduled start, and cyclic start/stop;
— 4 selectable stop requirements and battery charging completed groups to complete stop after mains
abnormal and battery voltage low;
— 5 relay output ports, and they are respectively 1 start output port, 1 fuel level output port, 3
programmable output ports;
— 6 digital input ports, in which input port 5 and input port 6 can be multiplexed as flexible sensor 1 and
flexible sensor 2;
— 2 flexible sensors, which can be selected as temperature sensor, pressure sensor or fuel level sensor;
flexible sensor 1 also can be configured as machine room temperature sensor;
— Multiple temperature, pressure and fuel level sensors can be used directly and parameters can be
users-defined;
HGM4020DC Genset Controller
HGM4020DC GENSET CONTROLLER USER MANUAL
kPa/psi/bar
%(unit)
Fuel Quantity Left L(unit)
r/min (RPM)
V (unit)
V (unit)
Version 1.0
2019-04-10
Page 4 of 31
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