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LXC31X0 Series Diesel Generator Control Panel 32 Bit Arm Processor
LXC31X0 Series automation controller uses 32-bit ARM processor, the module is realized intelligent
generator control technology.There are used for genset automation and monitor control system of single
unit to achieve automatic start/stop, data measurement, alarm protection.It fit with LCD display, optional
languages interface (Chinese, English, Spanish and Russian), and it is reliable and easy to use.It’s
achieve a precision measuring,fixed value adjustment, time setting and set value adjusting and etc.All
parameters can be configured from front panel or through programmable USB interface via PC. It can
be widely use in all types of automatic genset control system with compact structure, advanced circuits,
simple connections and high reliability.
2. Performance and characteristics
LXC31X0 series controller has two types:
LXC3110:ASM (Automatic Start Module),it controls generator to start/stop by remote signal;
LXC3120:AMF (Auto Mains Failure), updates based on LXC3120, moreover, has mains electric quantity
monitoring and mains/generator automatic transfer control function, especially for automatic system
composed by generator and mains.
Its main features are as follows:
Display:132×64 LCD with emerald green backlight；
Language:Chinese, English, Spanish and Russian；
Operating:good feeling button pushing, long button life；
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.
Active Power (KW)
Reactive Power (KVar)
Apparent Power (KVA)
Power Factor (PF)
Accumulated Energy (kWh)
Mains Monitor:With over voltage, under voltage, over frequency, under frequency, loss phase and
reverse phase function;
Gens Monitor:With over voltage, under voltage, over frequency, under frequency, loss phase and
reverse phase function;
Temp. (WT) °C/ °F both be displayed
Oil pressure (OP) kPa/Psi/Bar all be displayed
Engine Speed (RP) RPM (Unit)
Battery Voltage (VB) V (unit)
Charger Voltage (VD) V (unit)
Hours counter (HC): Max. 999999 hours
Start times: Max.999999 times
Protection: Automatic start/stop of the genset, ATS(Auto Transfer Switch) control with perfect fault
indication and protection function;
Output Control:With ETS, idle control, pre-heat control, speed raise control and speed drop control,
All output ports are relay-out;
Parameter Settings:All the parameters can be adjusted using front panel of the controller or use the
computer through USB to connect directly to controller settings, all is not lost when power down
Sensor Detection:More kinds of curves of temperature, oil pressure, fuel level can be used directly
and users can define the sensor curves by themselves;
Multiple Crank Disconnect Conditions:Gens frequency,speed,oil pressure,D+;
Widely Power supply range: DC(8~35)V, suitable to different start battery voltage environment;
Mounting Assembly:Modular design, anti-flaming ABS plastic enclosure, plug gable connection
terminals and embedded installation way; compact structure with easy mounting.
4.1. Push buttons
4.2. Indicator light
LXC3110 Panel Indicators
4.3. Automatic start/stop operation
Auto mode is selected by pressing the button; a LED besides the button will illuminate to confirm the
4.3.1. Auto Start Sequence,
LXC3120:When mains is abnormal (over/under voltage, loss of phase), enter into “Mains Abnormal
Delay” and LCD displays count down time. When the delay is over, “Start Delay” timer is initiated.
LXC3110:When “Remote Start” is active, “Start Delay” timer is initiated.
“Start Delay” countdown will be displayed on LCD.
When start delay is over, preheat relay energizes (if configured), “preheat delay XXs” information will
be displayed on LCD.
After the above delay, the Fuel Relay is energized, and then one second later, the Start Relay is
engaged. The engine is cranked for a pre-set time. If the engine fails to fire during this cranking
attempt then the fuel relay and start relay are disengaged for the pre-set rest period; “crank rest time”
begins and wait for the next crank attempt.
Should this start sequence continue beyond the set number of attempts, the start sequence will be
terminated, the first line of LCD display will be highlighted with black and Fail to Start fault will be
In case of successful crank attempt, the “Safety On” timer is activated, allowing Low Oil Pressure,
High Temperature, Under speed, Charge Alternator Failure and Aux. inputs (configured) to stabilize
without triggering the fault. As soon as this delay is over, “start idle” delay is initiated (if configured).
During “start idle” delay, under speed, under frequency, under voltage alarms are inhibited. When this
delay is over, “warming up” delay is initiated (if configured).
After the “warming up” delay, if generator status is normal, its indicator will be illuminated. If generator
voltage and frequency have reached on-load requirements, then the generator close relay will be
energized; genset will take load; generator power indicator will illuminate and generator will enter into
Normal Running status. if voltage or frequency is abnormal, the controller will initiate shutdown alarm
(alarm information will be displayed on LCD).
4.3.2. Auto Stop Sequence,
LXC3120:During normal running process, if mains normal, enters into “Mains Normal Delay”. When
mains indicator illuminates, “Stop Delay” begins.
LXC3110:When the “Remote Start” signal is removed, the stop delay is initiated.
Once this “stop delay” has expired, the Generator Breaker will open and the “Cooling Delay” is then
initiated. After “Transfer Delay”, the mains close relay will be energized; mains will take load;
generator power indicator will extinguish while mains power indicator will illuminate.
During “Stop Idle” Delay (if configured), idle relay is energized.
“ETS Solenoid Hold” begins, ETS relay is energized while fuel relay is de-energized.
"Fail to Stop Delay" begins, complete stop is detected automatically.
Generator is placed into its standby mode after its complete stop. Otherwise, fail to stop alarm is
initiated and the corresponding alarm information is displayed on LCD
4.4. Manual start/stop operation
LXC3120:Manual mode is selected by pressing the button; a LED besides the button will
illuminate to confirm the operation.
Press key, select “Mode Select”, then choose “Test Mode”. Under the two modes,
press button to start the genset, it can automatically judge crank success and accelerate to high
speed running. If high temperature, low oil pressure, over speed and abnormal voltage occur during
genset running, controller can effectively protect genset to stop. Under Manual Mode, if mains normal,
load breaker won’t transfer; if mains abnormal, load breaker will transfer to generator. Under Test
Mode, after genset high speed normal running, no matter mains normal or not, load will be transferred
LXC3110:Manual mode is selected by pressing the button; a LED besides the button will
illuminate to confirm the operation; Then press button to start the generator, it can automatically
judge crank success and accelerate to high speed running. If high temperature, low oil pressure, over
speed and abnormal voltage occur during genset running, controller can effectively protect genset to
stop. After genset high speed normal running, controller will send Gen Closed signal.
Manual stop: pressing key can shut down the running genset.