Smartgen HGM8110DC-2 User manual

HGM8110DC-2
GENSET CONTROLLER
USER MANUAL
SMARTGEN (ZHENGZHOU) TECHNOLOGY CO., LTD.

Chinese trademark
English trademark
SmartGen —make your generator smart
SmartGen Technology Co., Ltd.
No.28 Jinsuo Road
Zhengzhou
Henan Province
P. R. China
Tel: [phone]
0086-(0)371-67991553/67992951
0086-(0)371-67981000(overseas)
Fax: [phone]
Web: www.smartgen.com.cn
www.smartgen.cn
Email: sal[email protected]n
All rights reserved. No part of this publication may be reproduced in any material form (including
photocopying or storing in any medium by electronic means or other) without the written permission of
the copyright holder.
Applications for the copyright holder‘s written permission to reproduce any part of this publication should
be addressed to SmartGen Technology at the address above.
Any reference to trademarked product names used within this publication is owned by their respective
companies.
SmartGen Technology reserves the right to change the contents of this document without prior notice.
Table 1 - Software Version
Date
Version
Note
2020-02-20
1.0
Original release.

This manual is suitable for HGM8110DC-2 controller only.
Table 2 - Notation Clarification
Sign
Instruction
NOTE
Highlights an essential element of a procedure to ensure correctness.
CAUTION!
Indicates a procedure or practice, which, if not strictly observed, could result in
damage or destruction of equipment.
WARNING!
Indicates a procedure or practice, which could result in injury to personnel or loss
of life if not followed correctly.

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CONTENTS
1 OVERVIEW ............................................................................................................................................. 6
2 MODELS COMPARISON........................................................................................................................ 7
3 PERFORMANCE AND CHARACTERISTICS ........................................................................................ 8
4 SPECIFICATION OPERATION............................................................................................................. 10
5 OPERATION.......................................................................................................................................... 12
5.1 KEY FUNCTION............................................................................................................................. 12
5.2 CONTROLLER PANEL .................................................................................................................. 13
5.3 LCD DISPLAY................................................................................................................................. 14
5.3.1 MAIN DISPLAY........................................................................................................................ 14
5.3.2 PARARMETERS SETTING MANUAL..................................................................................... 15
5.3.3 PARAMETER SETTINGS........................................................................................................ 15
5.4 AUTO START/STOP OPERATION................................................................................................. 16
5.5 MANUAL START/STOP OPERATION ........................................................................................... 17
5.6 GENSET CONTROLLER SWITCH CONTROL PROCEDURES .................................................. 18
5.6.1 HGM8110DC-2 SWITCH CONTROLPROCEDURES............................................................ 18
6 PROTECTION....................................................................................................................................... 19
6.1 WARNINGS.................................................................................................................................... 19
6.2 SHUTDOWN ALARM..................................................................................................................... 22
6.3 TRIPAND STOPALARM............................................................................................................... 25
6.4 TRIPALARM................................................................................................................................... 26
7 WIRINGS CONNECTION ..................................................................................................................... 27
8 SCOPESAND DEFINITIONS OF PROGRAMMABLE PARAMETERS............................................... 30
8.1 CONTENTS AND SCOPES OF PARAMETERS ........................................................................... 30
8.2 ENABLE DEFINITION OF PROGRAMMABLE OUTPUT PORTS ................................................ 43
8.2.1 ENABLE DEFINITION OF PROGRAMMABLE OUTPUT PORTS FORM.............................. 43
8.2.2 CUSTOM PERIOD OUTPUT................................................................................................... 49
8.2.3 CUSTOM COMBINED OUTPUT............................................................................................. 49
8.3 DEFINED CONTENTS OF CONFIGURABLE INPUT PORTS (All Active when connect to Ground (B-))
.................................................................................................................................................................. 50
8.4 SELECTION OF SENSORS........................................................................................................... 52
8.5 CONDITIONS OF CRANK DISCONNECT SELECTION............................................................... 52
9 PARAMETERS SETTING..................................................................................................................... 54
10 SENSORS SETTING.......................................................................................................................... 55
11 COMMISSIONING............................................................................................................................... 55
12 TYPICALAPPLICATION..................................................................................................................... 57
13 INSTALLATION ................................................................................................................................... 58

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13.1 OVERALL DIMENSION................................................................................................................ 58
13.2 BATTERY VOLTAGE INPUT........................................................................................................ 58
13.3 SPEED SENSOR INPUT ............................................................................................................. 58
13.4 OUTPUTAND EXPAND RELAYS................................................................................................ 58
13.5 AC INPUT ..................................................................................................................................... 58
13.6 WITHSTAND VOLTAGE TEST..................................................................................................... 59
14 CONNECTIONS OF CONTROLLER WITH J1939 ENGINE.............................................................. 60
14.1 CUMMINS ISB/ISBE .................................................................................................................... 60
14.2 CUMMINS QSL9.......................................................................................................................... 60
14.3 CUMMINS QSM11 (import).......................................................................................................... 61
14.4 CUMMINS QSX15-CM570........................................................................................................... 61
14.5 CUMMINS GCS-MODBUS........................................................................................................... 62
14.6 CUMMINS QSM11........................................................................................................................ 62
14.7 CUMMINS QSZ13........................................................................................................................ 62
14.8 DETROIT DIESEL DDEC III / IV .................................................................................................. 63
14.9 DEUTZ EMR2............................................................................................................................... 63
14.10 JOHN DEERE............................................................................................................................. 63
14.11 MTU MDEC................................................................................................................................. 64
14.12 MTU ADEC(SMART MODULE).................................................................................................. 64
14.13 MTU ADEC (SAM MODULE) ..................................................................................................... 64
14.14 PERKINS.................................................................................................................................... 65
14.15 SCANIA ...................................................................................................................................... 65
14.16 VOLVO EDC3............................................................................................................................. 65
14.17 VOLVO EDC4............................................................................................................................. 66
14.18 VOLVO-EMS2............................................................................................................................. 66
14.19 YUCHAI ...................................................................................................................................... 67
14.20 WEICHAI .................................................................................................................................... 67
15 ETHERNET INTERFACE.................................................................................................................... 68
15.1 NETWORK CLIENT CONNECTION............................................................................................ 68
15.2 CONTROLLER AND NETWORK CABLE CONNECTION........................................................... 68
16 FAULT FINDING.................................................................................................................................. 69

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1OVERVIEW
HGM8110DC-2 Genset Controller is especially designed for single unit system in DC and AC
applications, which can adapt to extremely high/low temperature environments (-40~+70)°C. Controller
applies self-luminous vacuum fluorescent graphic display (VFD) and electronic components which bear
extreme high and low temperatures, so that it can work reliably under extreme temperatures. After
careful consideration about electromagnetic compatibility under various occasions at designing the
controller, this provides powerful guarantee for the controller to work reliably under complex environment
of strong electromagnetic interference. Controller is pluggable terminal structure, which is very
convenient for product maintenance and upgrade and update. Controller can display Chinese, English
and other various languages.
HGM8110DC-2 Genset Controller integrates digitization, intelligentization and network technology
which is used for genset automation and monitoring system of single unit to achieve automatic start/stop,
DC and AC data measurement, alarm protection and ―three remote‖ functions. Controller adopts 32-bit
micro-processor technology, realizing precise measurement of various parameters, fixed set-point
adjusting etc. A majority of parameters can be configured from front panel, and all parameters can be
configured by PC via USB port, or RS485 or RS232 or ETHERNET to adjust and monitor. It can be
widely used in all types of automatic genset control system with compact structure, simple wiring, and
high reliability.

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2MODELS COMPARISON
HGM8100DC series controllers include HGM8110DC and HGM8110DC-2. HGM8110DC-2 is the
upgraded version of HGM8110DC. Model comparison of HGM8110DC and HGM8110DC-2 is as Table
3. Table 3 - Models Comparison
Models
HGM8110DC
HGM8110DC-2
Display
VFD
DC Monitoring
●
●
Mains Monitoring
None
None
Input Number
8
8
Output Number
8
8
Sensor Number
5
5
Earth Current
●
●
Schedule Function
●
●
RS485
●
●
ETHERNET
●
●
RS232
●
●
J1939
●
●
CANBUS Port Number
2
3
USB
●
●
Real-time Clock
●
●
Event Log
●
●
Expand Input/Output
●
●
NOTE:
1) Two fixed output ports in the output ports: start output and fuel output.
2) Analog sensors consist of three fixed sensors (temperature sensor, pressure sensor and fuel level sensor) and two
flexible sensors.

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3PERFORMANCE AND CHARACTERISTICS
HGM8110DC-2: It is DC genset controller and used for single automation systems to control genset
start/stop through remote signal control; It is especially suitable for single unit automation system made
up of 1-way DC and 1-wayAC.
Main characteristics are as below,
─32-bit ARM SCM, highly integrated hardware, reliability gets improved;
─Vacuum fluorescent display (VFD), selectable Chinese/English interface which can be chosen at the
site, making commissioning convenience for factory personnel;
─LCD adopts hard screen acrylic material with good wear-resisting and scratch-resisting;
─Silicone panel and pushbuttons, stronger adaptability of extreme temperature environments;
─RS485 and RS232 communication interfaces, which can realize ―Three remote functions‖ (remote
control, remote measuring and remote communication) by using MODBUS protocol;
─ETHERNET communication port, which can realize ETHERNET monitoring method (controller with
ETHERNET port is needed);
─Equipped with CANBUS port, which can connect ECU engine with J1939, which not only can monitor
frequently-used data (such as water temperature, oil pressure, speed, fuel consumption and so on) of
ECU machine, but also control starting up, shutdown , raising speed and speed droop via CANBUS
port (controller with CANBUS interface is needed);
─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 system with frequency 50/60Hz;
─Collects and shows AC 3-phase voltage, current, frequency, power parameters:
─Collects and shows DC Gen voltage, current, power parameters:
AC DC
Line voltage (Uab, Ubc, and Uca) voltage U
Phase voltage (Ua, Ub, and Uc) Power
Phase sequence Current I
Frequency Hz Accumulative Electric Power
Load
Current Ia, Ib, Ic A (unit)
Each phase and total active power P kW (unit)
Each phase and total reactive power Q kvar (unit)
Each phase and total apparent power S kVA (unit)
Each phase and average power factor λ 1 (unit)
Accumulate total generator power W kWh, kvarh, kVAh (unit)
Earth current I A (unit)
─For AC Generator, controller has over and under voltage, over and under frequency, over current,
over power, reverse power, loss of phase and reverse phase sequence detection functions; for DC
Generator, controller has over and under voltage, over current, and over power detection functions;
─3 fixed analog sensors (temperature, oil pressure and fuel level).
─2 configurable analog sensors can be set to sensor of temperature, oil pressure or fuel level;
resistor/voltage/current type sensors are supported;
─Precisely measure various parameters of engine:
Temp. (WT) °C/°F can be selected
Oil pressure (OP) kPa/psi/bar can be selected

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Fuel level (FL) %(unit)
Speed (SPD) r/min (unit)
Voltage of Battery (VB) V (unit)
Voltage of Charger (VD) V (unit)
Hour counter (HC) accumulative to max. 65535 hours.
Start times accumulative to max. 65535 times.
─Control and protection function: realize automatic start/stop of the diesel gen-set, breaker close and
open (ATS transfer) control and perfect fault indication protection function.
─All output ports are relay outputs;
─Parameter setting function: parameters can be modified by users and stored in internal FLASH
memory and cannot be lost even in case of power outage; most of them can be adjusted by using
front panel of the controller and all of them can be modified by using PC via USB port, RS485, RS232
or ETHERNET ports.
─Multiple curves of temperature, oil pressure, and fuel level sensors can be used directly and users
can define the sensor curves by themselves.
─Multiple crank disconnect conditions (speed sensor, oil pressure, generator frequency) are optional.
─Wide power supply range DC(8~35)V, suitable for different starting battery voltage environment;
─Event log, real-time clock, scheduled start & stop generator functions (can be set to start genset once
a day/week/month with load or not).
─PLC (Programmable Logic Controller) function. Users can use graphical programming to achieve
specific functions.
─Can be used as an indicating instrument (only for indication and alarm, no action for relay).
─Maintenance function. Actions (warning, shutdown or trip and stop) can be set when maintenance
time is out.
─All parameters are digitally adjusted, getting rid of conventional analog modulation with normal
potentiometer, improving whole case's reliability and stability;
─Ingress Protection level IP65 due to rubber gasket installed between the controller enclosure and
control window;
─Metal fixing clips are used to fix controller, outstanding performance in high temperature environment;
─Modular design, pluggable connection terminals and embedded installation way; compact structure
with easy mounting.
Accumulative running A and B, accumulative electric power A and B; users can zero clear them and
accumulate them again, making convenience for users.

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4SPECIFICATION OPERATION
Table 4 - Technical Parameters
Items
Contents
Operating Voltage
DC8.0V to DC35.0V, Continuous Power Supply.
Power Consumption
<8W (standby ≤3W)
Alternator Input Range
3Phase 4Wire
3Phase 3Wire
Single Phase 2Wire
2Phase 3Wire
AC15V-AC 360V (ph-N)
AC30V - AC620V (ph-ph)
AC15V - AC360V (ph-N)
AC15V - AC360V (ph-N)
Alternator Frequency
50 /60Hz
DC Generator Voltage Input
DC 0V-10V (Converter post voltage, ratio can be set)
Load DC Current Input
DC 4mA-20mA (Converter post current, ratio can be set)
Speed sensor voltage
1.0V to 24.0V (RMS)
Speed sensor Frequency
10,000 Hz (max.)
Start Relay Output
16 A DC28V at supply output
Fuel Relay Output
16 A DC28V at supply output
Programmable Relay Output (1)
7A DC28V supply output
Programmable Relay Output (2)
7A DC28V supply output
Programmable Relay Output (3)
7A DC28V supply output
Programmable Relay Output (4)
7AAC250V voltage free output
Programmable Relay Output (5)
8AAC250V voltage free output
Programmable Relay Output (6)
8AAC250V voltage free output
RS485 Port
Isolated, half-duplex, 9600 baud rate, longest communication
distance 1000m;
InternetAccess
10Mbit
Vibration Test
5 - 8 Hz: ±7.5 mm
8 - 500 Hz: 2 g
IEC 60068-2-6
Shock Test
50g, 11ms, half-sine, complete shock test from three directions;
For each test, 18 shocks totally
IEC 60068-2-27
Bump Test
25g, 16ms, half-sine;
IEC 60255-21-2
Safety Rule Requirements
Based on EN 61010-1 mounting category (over voltage) III, 300V,

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Items
Contents
pollution class 2, altitude 3000m;
Case Dimension
242mm x186mm x53mm
Panel Cutout
214mm x160mm
CT Secondary Current
5A rated
Working Conditions
Temperature: (-40~+70)°C; Relative Humidity: (20~93)%RH
Storage Condition
Temperature: (-45~+80)°C
Protection Level
IP65: when rubber seal installed between the controller enclosure
and panel fascia.
Insulating Intensity
ApplyAC2.2kV between high volt terminal and low volt terminal;
The leakage current is not more than 3mA within 1min.
Net Weight
0.85kg

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5OPERATION
5.1 KEY FUNCTION
Table 5 - Key Description
Icon
Key
Description
Stop/Reset
Stop running generator in Auto/Manual mode;
Reset alarms in stop mode;
Press for over 3s to test whether panel indicators are normal
(lamp test);
During stopping process, press this button again to stop
generator immediately.
Start
Start genset in Manual mode.
Manual Mode
Press this key and put controller in Manual mode.
Auto Mode
Press this key and put controller in Auto mode.
Alarm Mute
Remove alarm sound;
If there is trip alarm, pressing the button at least 3 seconds can
reset this alarm.
Close
Control breaker to close in manual mode;
Open
Control breaker to open in manual mode;
Set
Enter setting interface;
Up/Increase
1) Screen scroll;
2) Move up cursor and increase value in setting menu.
Down/Decrease
1) Screen scroll;
2) Move down cursor and decrease value in setting menu.
Left
1. Page scroll;
2. Left move cursor in setting menu.
Right
1. Page scroll;
2. Right move cursor in setting menu.

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Icon
Key
Description
Confirm
In settings menu, confirm the set value.
Exit
1. Return to the first screen;
2. In settings menu return to previous level menu.
NOTE: In manual mode, press and simultaneously and genset can be forced to start. At this time,
controller won't judge whether genset has been started according to crank disconnect conditions, but starter separation is
controlled by operator. When operator observes genset has been started, release the buttons, start output will be stopped
and controller will enter Safety On Delay.
CAUTION! Default password is "00318", operator can change the password to prevent others changing advanced
configurations randomly. Please remember the password clearly after change. In case that you forget it, please contact
company personnel and feedback PD information in ABOUT page to service personnel.
5.2 CONTROLLER PANEL
Fig. 1 - Controller Front Panel
NOTE: Partial indicators illustration: Table 6 - Alarm Indicators
Alarm Type
Alarm Indicator
No Alarm
Indicator off
Warning
Slow flashing(1time/s)
Trip Alarm
Slow flashing(1time/s)
Shutdown Alarm
Fast flashing(5 times/s)
Trip and Stop Alarm
Fast flashing(5 times/s)
NOTE 1: Status indicator: illuminated from crank disconnect to ETS while off during other periods.
NOTE 2: Gens normal Indicator：It is light on when generator is normal; flashing when generator state is abnormal; off
when there is no generator power.

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5.3 LCD DISPLAY
5.3.1 MAIN DISPLAY
Main screen show pages; use to scroll the pages and to scroll the screens.
★Main Screen includes following contents:
1) Partial status display;
2) AC Gens: voltage, frequency,
3) AC Load: current, active power, reactive power, power factor;
4) DC Gens: voltage, current, power;
5) Engine: speed, temperature, oil pressure;
NOTE: It will screen scroll display circularly if screen scroll operation is not done after entering the main screen.
★Status includes,
Status of genset andATS;
★Engine includes,
Speed, temperature of engine, engine oil pressure, fuel level, ConfigurableSensor 1, Configurable Sensor2,
battery voltage, charger voltage, accumulated run time, accumulated start times, user A and user B
accumulated start times.
NOTE: If engine information are read by J1939 via CAN BUS port, then Engine page also includes: coolant pressure,
coolant level, fuel temperature, fuel pressure, inlet temperature, outlet temperature, turbo pressure, fuel consumption,
total fuel consumption etc. (Different engines include different data.)
★AC Gens includes,
Phase voltage, Line voltage, frequency, phase sequence.
★AC Load includes below,
Current of each phase, each phase and total active power (positive and negative), each phase and total
reactive power (positive and negative), each phase and total apparent power, each phase and average
power factor (positive and negative), accumulated energy, earth current and userAand user B accumulated
energy. .
NOTE: Power factor shows as following,
Remark:
P stands for active power
Q stands for inactive power

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Table 7 - Power Factor Descriptions
★DC GENS, includes as below,
Voltage, current, power and accumulated energy
★Alarm:
Displays all alarm information, including warning, alarm shutdown, trip shutdown and trip.
NOTE: For ECU warning and shutdown alarms, if the detailed alarm information is displayed, check engine according to it,
otherwise, please check the manual of generator according to SPN alarm code.
★Event log
Records all start/stop events (shutdown alarm, trip and stop alarm, manual /auto start or stop) and the real
time when alarm occurs.
★Others, includes,
Time and Date, count down time for maintenance, input/output ports status, NET status etc.
★About, includes,
Released software and hardware versions and PD number of controller
5.3.2 PARARMETERS SETTING MANUAL
Press to enter user menu;
Configure：After entering the correct password (factory default password is 00318) you can enter
parameter settings screen.
Language：Selectable Chinese, English and others (default: Espanol)
Test Run：On load, off load and custom commissioning are optional. Custom commissioning can be
configured to on load or not during commissioning, commissioning time and which mode to return to
after commissioning (manual mode, auto mode and stop mode).
Clear accumula.：Can clear total running time A and B, total electric energyA and B.
5.3.3 PARAMETER SETTINGS
DC generator settings
Timers settings
Engine settings
AC Generator settings
AC Load settings
Breaker settings
Power factor
Conditions
Active power
Inactive power
Remark
COS>0L
P>0,Q>0
Input
Input
Load is inductive resistance.
COS>0C
P>0,Q<0
Input
Output
Load is capacitance resistance.
COS<0L
P<0,Q>0
Output
Input
Load equals to one under excitation
generator
COS<0C
P<0,Q<0
Output
Output
Load equals to one over excitation
generator.
Remark:
1. Input active power, generator or mains supply electricity to load.
2. Output active power, load supply electricity to generator ormains.
3. Input reactive power, generator or mains send reactive power to load.
4. Output reactive power, load send reactive power to generator or mains.

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Temperature sensor settings
Oil pressure sensor settings
Level sensor settings
Flexible sensor 1 settings
Flexible sensor 2 settings
Digital inputs settings
Relay Outputs settings
Module settings
Scheduler and maintenance settings
Expansion module settings
NOTE: Pressing can exit settings directly during setting.
5.4 AUTO START/STOP OPERATION
Press , its indicator light is on, which means controller enters Auto mode.
Auto Starting Sequence:
1) HGM8110DC-2: Generator enters into ―Start Delay‖ as soon as ―Remote Start on Load‖ input is active.
2) Start delay timer is shown on LCD.
3) When start delay is over, preheat relay outputs (if this be configured), ―Preheat Start
Delay XX s‖ is shown on LCD.
4) When preheat delay is over, fuel relay outputs for 1s and then start relay outputs; if engine crank fails
during ―Cranking Time‖, the fuel relay and start relay are deactivated and enter into ―Crank Rest Time‖
to wait for next crank.
5) If engine crank fails within set start attempts, controller sends ―Fail to Start‖signals and ―Fail to Start‖
message appears on LCD alarm page.
6) In case of successful crank attempt, ―Safety on Timer‖ starts. During this period, low oil pressure, high
water temperature, under speed, charge failure alarms are disabled. As soon as this delay is over,
―Start Idle Delay‖ is initiated (if configured).
7) During ―Start Idle Delay‖, under speed, under frequency, under voltage alarms are inhibited. When this
delay is over, ―Warming Up Delay‖ starts (if configured).
8) When ―Warming Up Delay‖ is over, if generator state is normal, its indicator will be illuminated. If
voltage and frequency has reached on-load requirements, the close relay will be energized, generator
will accept load, generatorpower indicator will turn on,andgenerator will enter Normal Running state; if
voltage and frequency are abnormal, the controller will initiate shutdown alarm (alarm type will be
displayed on LCD alarm page).
NOTE: In case of ―Remote Start (off Load)‖, the procedure is the same, except for step No. 8: the close relay will NOT be
energized, generator will NOT accept load.
Auto Stopping Sequence:
1) HGM8110DC-2, generator enters into ―stop delay‖ as soon as ―Remote Start‖ is inactive.
2) When stop delay is over, close generator relay is un-energized; generator enters into ―Cooling Time‖.
Generator indicator extinguishes.
3) Idle relay is energized as soon as entering ―Stop Idle Delay‖.
4) If enter ―ETS hold delay‖, ETS relay is energized. Fuel relay is deactivated and decides whether
generator is stopped or not automatically.
5) Then enter gen-set ―Fail to stop time‖, it decides whether generator is stopped or not automatically.

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6) Enter ―After Stop Time‖ (if configured) as soon as generator stops. Otherwise, controller enters stop
failure and sends ―Fail to Stop‖ warning alarm at the same time. (If gen-set stops successfully after
warning of ―Failed to Stop‖, it will enter ―After Stop Time‖ and removes alarm automatically.)
7) Enter ―Generator at Rest‖ as soon as ―After Stop Time‖ is over.
5.5 MANUAL START/STOP OPERATION
1) MANUAL START: Press , controller enters into manual mode and its indicator is light on. Press
to start generator, it can automatically detect crank disconnect, and generator accelerates to
high-speed running automatically. If high water temperature, low oil pressure, over speed and abnormal
voltage during generator running, controller can protect genset to stop quickly. Press and to
open or close the switch. (Please refer to No.3~8 of Auto start operation for detail procedures, where the
only difference is the way of switch open and close).
2) MANUAL STOP: Press and it can stop the running generators. (Please refer to No.2~7 of Auto
stop operation for detail procedures).
NOTE: In ―manual mode‖, the procedures of ATS please refer to ATS procedure of generator in this manual.

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5.6 GENSET CONTROLLER SWITCH CONTROL PROCEDURES
5.6.1 HGM8110DC-2 SWITCH CONTROL PROCEDURES
5.6.1.1 MANUAL TRANSFER PROCEDURES
When controller is in manual mode, manual control procedure is conducted for switch control.
Users can control switch on or off by pressing close/open key.
Press generator close key , and close outputs; Press generator open key , generator open outputs.
5.6.1.2 AUTO CONTROL PROCEDURES
When controller is in auto mode, auto control procedure will be conducted for switch control.
1) If input port is configured as “Gen Closed Auxiliary”
A. If “Open Check Enable” is enabled;
Generator load is transferred into generator un-load, after the delay of switch off, transfer failure starts to
detect at the same time of open output. When detecting time is out, if switch off failed, it will wait for switch
off. Otherwise, switch off is completed.
Generator unload is transferred into generator load, after the delay of switch on, transfer failure starts to
detect at the same time of close output. When detecting time is out, if switch on failed, it will wait for switch
on. Otherwise, switch on is completed.
If transfer failure warning is enabled, warning signal will be issued for close/open failures.
B. If “Open Check Enable” is disabled;
Generator load is transferred into generator unload, after the delay of switch off, switch off is completed.
Generator unload is transferred into generator onload, after the delay of switch on, transfer failure starts to
detect at the same time of close output. When detecting time is out, if switch on failed, wait for switch on.
Otherwise, switch on is completed.
If Check Fail Warn Enable is enabled, warning signal will be issued for close/open failures.
2) If input port is not configured as "Gen Closed Auxiliary"
Generator un-load is transferred into generator load, close generator outputs. Generator load is transferred
into generator un-load, open generator outputs.
NOTES:
1) WhenATS of none neutral position is used, Open Check shall be disabled.
2) WhenATS with neutral positions is used, Open Check shall be enabled, or disabled; If it is enabled, please configure open
output;
3) WhenAC contactor is used, Open Check is recommended.

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HGM8110DC-2 Genset Controller 2020-02-20 Version 1.0 Page 19 of 69
6PROTECTION
6.1 WARNINGS
When controllers detect the warning signals, it is alarm only and not stop the genset.
Table 8 - WarningAlarms
No.
Type
Action Range
Description
1
Over Speed
Always active
When controller detects the speed is higher
than the set value, it will send warn signals.
2
Under Speed
Active from start idle to
stop idle, inactive for
others
When controller detects the speed is lower
than the set value, it will send warn signals.
3
Loss of Speed Signal
Active from start idle to
cooling period; transfer to
ETS stop immediately at
alarms
When controller detects the speed is 0 and
the action select ―Warn‖, it will send warn
signals.
4
AC Over Frequency
Active always
When controller detects the frequency of AC
genset is higher than the set value, it will
send warn signals.
5
AC Under Frequency
Active from wait for load to
stop cooling
When controller detects the frequency of AC
genset is lower than the set value, it will
send warn signals.
6
AC Over Voltage
Active always
When controller detects the voltage of AC
genset is higher than the set value, it will
send warn signals.
7
AC Under Voltage
Active from wait for load to
stop cooling
When controller detects the voltage of AC
genset is lower than the set value, it will
send warn signals.
8
AC Over Current
Active always
When controller detects the current of AC
genset is higher than the set value and the
action select ―Warn‖, it will send warn
signals.
9
Fail to Stop
Active after failed to stop
When generator not stops after the ―stop
delay‖ is over, it will send warn signals.
10
Charge Alt Fail
Active at normal running
When controller detects the charger voltage
is lower than the set value, it will send warn
signals.
11
Battery High Voltage
Active always
When controller detects the battery voltage
is higher than the set value, it will send warn
signals.
12
Battery Low Voltage
Active always
When controller detects the battery voltage
is lower than the set value, it will send warn
signals.
13
Maintenance Due
Active when maintenance
When count down time is 0 and the action

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HGM8110DC-2 Genset Controller 2020-02-20 Version 1.0 Page 20 of 69
No.
Type
Action Range
Description
time is due
select ―Warn‖, it will send warn signals.
14
AC Reverse Power
Active always
When controller detects the reverse power
value (power is negative) is higher than the
set value and the action select ―Warn‖, it will
send warn signals.
15
AC Over Power
Active always
When controller detects the reverse power
value (power is positive) is higher than the
set value and the action select ―Warn‖, it will
send warn signals.
16
ECU Warn
Active when ECU receives
yellow indicator alarm
When controller gets the alarm signals from
engine via J1939, it will send warn signals.
17
AC Loss of Phase
Detected when Phase
voltage>30V, Line
voltage>50V
When controller detects the AC generator
loss phase, it will send warn signals.
18
AC Phase Sequence
Wrong
Detected when Phase
voltage>30V, Line
voltage>50V
When controller detects the AC generator
phase rotation, it will send warn signals.
19
Switch Fail
Active when breaker close
failed
When controller detects the switch on and off
fail, and the action select enable, it will send
warn signals.
20
DC Over Voltage
Active Always
When controller detects the voltage of DC
genset is higher than the set value, it will
send warn signals.
21
DC Under Voltage
Active from wait for load to
stop cooling
When controller detects the voltage of DC
genset is lower than the set value, it will
send warn signals.
22
DC Over Current
Active Always
When controller detects the current of DC
genset is higher than the set value and the
action select ―Warn‖, it will send warn
signals.
23
DC Over Power
Active Always
When controller detects the reverse power
value (power is positive) is higher than the
set value and the action select ―Warn‖, it will
send warn signals.
24
Temp. Sensor Open
Active Always
When controller detects the sensor is open
circuit, and the action select ―warn‖, it will
send warn signals.
25
High Temp. Warn
Active from start idle to
stop idle
When controller detects the temperature is
higher than the set value, it will send warn
signals.
26
Oil Pressure Sensor
Open
Active Always
When controller detects sensor open and
open action selects Warn, it will send
warning signal.
27
Low OP Warn
Active from start idle to
When controller detects the oil pressure is