HGM7220N/HGM7220S GENSET CONTROLLER USER MANUAL
HGM7220N/HGM7220S Genset Controller 2019-02-28 Version 1.0 Page 7 of 60
with perfect fault indication and protection functions.
— ETS (energize to stop), idling speed control, pre-heating control and speed rise/drop control
functions and all of them are relay outputs.
— Parameter setting function: parameters can be modified and set by users and they won’t get lost in
case of power outage. Most parameters can be modified on the front panel. All parameters can be
adjusted on PC via USB or RS485, or modified on cloud servicer.
— Multiple temperature, pressure, fuel level sensor curves can be used directly and sensor curves
can also be users-defined. Pressure and auxiliary 1 can connect with resistance, voltage or current
sensors.
— Multiple crank disconnection conditions (speed, oil pressure, generator frequency) are optional.
— Wide power supply range DC(8~35)V, which is suitable for different starting battery voltage
environment.
— Event log, real-time clock, scheduled start & stop (genset start once a day/week/month and load or
not can be set.) functions and two gensets circular start function.
— Data recording function for mains voltage, mains frequency, generator voltage, generator frequency,
current, temperature, oil pressure, fuel level, speed and etc. one minute before shutdown fault and
maximum records are 5.
— Applicable for pumping units as indicating instrument. (only for indication and alarm, none actions
for relays.)
— Maintenance function: maintenance time or maintenance time due action can be set (only
warning/trip shutdown/alarm shutdown).
— Circular start of two gensets via CAN interface: master running time and backup running time can
be set.
— Connecting with cloud servicer via 4G wireless network is available.
— SMS function: When an alarm occurs, the controller can automatically issue alarm information to 5
mobiles set previously and genset control and genset status check both can be realized by messages.
— GPS positioning function: catching genset position information to realize genset positioning.
— Applying network data communication protocol with JSON format: uploading data if there is data
change, and meanwhile compression algorithm is employed to extremely reduce network flow. When
an alarm occurs, it can upload data to the servicer immediately.
— Waterproof security level IP65 due to rubber gasket installed between the controller enclosure and
display screen.
— Metal fixing clips are used.
— Modular design, pluggable connection terminals and embedded installation way, and compact
structure with easy mounting.
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