Solar LCD Controller with Best Price Hot Selling Model DM120A

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Production Introduction

Solar controller is control device which can control solar panel and transform solar energy into electricity then store to the battery bank. Solar controller is the most important part in offgrid system, whose performance has much effect on life expectancy and operation of the whole system, especially the battery expectancy. 

Application Areas

Standalone Photovoltaic power station

Standalone Domestic household photovoltaic power system

Mobil communication base stations, expressway and other non-residential regions.

Coastal islands, remote mountainous, border posts for regions shortage of or without electricity.

Government demonstration projects, landscape lighting project etc.



Solar Controller with Best Price Hot Selling Model DM120A

Solar Controller with Best Price Hot Selling Model DM120A

Solar Controller with Best Price Hot Selling Model DM120A



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Q:The principle of solar controller
Solar controller uses high-speed CPU microprocessor and high-precision A / D analog-to-digital converter, is a computer data acquisition and monitoring and control system. It can collect the working data of the PV station in real time, obtain the working information of the PV station at any time, and accumulate the historical data of the PV station in detail, and provide the accurate and reliable evaluation of the reliability of the PV system design and the reliability of the quality of the inspection system Full basis. In addition, the solar controller also has a serial communication data transmission function, can be a number of photovoltaic systems sub-station for centralized management and remote control.
Q:Solar controller can not charge what is the reason
Are charged control point voltage: direct charge after the end of the battery will be charged and discharged controller for some time, so that the voltage naturally fall, when the fall to the "recovery voltage" value, will enter the charge state. Why are they designed? That is, when the direct charge is completed, there may be individual batteries "backward" (terminal voltage is relatively low), in order to pull these individual molecules back, so that all the battery side voltage is uniform, so it is necessary to high voltage with moderate Of the current and then charge a small meeting, we can see the so-called charge, that is, "balanced charge." Are charged time should not be too long, usually for a few minutes to ten minutes, the time set too long but harmful. For a small system equipped with two batteries, it is not meaningful. Therefore, the street lamp controller is generally not full charge, only two stages
Q:Solar water heater all intelligent controller how to install
This is the most widely used solar water heater installation program, the solar energy operation by the solar controller 8 control, when the solar water heater tank water level below the minimum water level, the controller to open the solenoid valve 1, making the water tank, When the water level rises to the user set the highest water level, the controller closes the solenoid valve 1, the water stops. The user can specify the water time, when the specified time to, as long as the water level does not exceed the maximum water level, the controller will open the solenoid valve 1 water until the water level to the highest water level. The controller can also manually force the water: When the manual water key is pressed, the controller opens the solenoid valve until the water level reaches the highest water level.
Q:Solar controller red light flashing
Look at the flash of red light shows what is the logo, the general controller should be a bad flash line
Q:How does the solar controller set up Sheung Shui?
Press and hold the water level key for 3 seconds, hear the "drop" sound, the display temperature of the two digits and the "time to add water" indicator light at the same time flashing, repeat the water level key to set the time to add water time. Set the time in Beijing plus the number of hours set into the regular water, such as set at 12 o'clock in the hour, regularly at 8 o'clock every day on the water, set the number of hours 20 (range 00-23), wait 5 seconds to automatically save and exit the "regular water" indicator light is on, the regular water function takes effect, after 8 o'clock every day will start the regular water. To cancel the time to add water: hold the water level key for 3 seconds, hear the "drop" after the "time to add water" indicator off, the time to add water function to cancel.
Q:Solar controller water level display is not correct how to do
Re-adjust the water level to control, choose their own water.
Q:How the solar panels with the controller
Solar controller mode: 1, pure light control mode: when there is no sunlight, the light intensity dropped to the starting point, the controller delay 10 minutes to confirm the start signal, according to set the parameters to open the load, the load began to work; when there is sunlight , The light intensity rises to the starting point, the controller delay 10 minutes to confirm the closure of the signal after the closure of the output, the load to stop working.
Q:How to adjust the solar controller
Charging and overpressure indication: When the system is connected normally and the sun is exposed to the photovoltaic panel, the charging indicator (1) is green, indicating that the system charging circuit is normal; when the charging indicator (1) Description of the system over-voltage, the treatment see the fault handling content; charging process using the PWM method, if there have been over-discharge action, the charge must first increase the charging voltage, and keep 10 minutes, and then down to the direct charge voltage, Live activation of the battery, to avoid sulfide crystallization, and finally dropped to the float voltage, and keep the float voltage. If there is no over-discharge, there will be no way to enhance the charge to prevent the battery water loss. These automatic control processes will allow the battery to achieve the best charging effect and to ensure or extend its service life.
Q:A solar controller 12v20A battery 12v 20A Will the need for a few watts of solar panels can be normal charge
Solar controller is called solar charge and discharge controller, is used in solar power system, the control of multi-channel solar cell battery charging and battery to the solar inverter load power supply automatic control equipment.
Q:Solar controller use
The controller as a core component of solar energy must be a reliable product, otherwise no matter how good the solar system can not play its due role.

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