Solar Controllers Ocala PWM Solar Charge Controller with LCD Display 20A, 12/24/36/48V, VS2048BN

Solar Controllers Ocala PWM Solar Charge Controller with LCD Display 20A, 12/24/36/48V, VS2048BN System 1

Solar Controllers Ocala PWM Solar Charge Controller with LCD Display 20A, 12/24/36/48V, VS2048BN System 2

Solar Controllers Ocala PWM Solar Charge Controller with LCD Display 20A, 12/24/36/48V, VS2048BN

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Solar Controller Descriptions

ViewStar series solar controller is our new generation controller for off-grid solar system. It can be widely used with various applications, such as street light, solar home system or small power station etc.

Features

·Excellent EMC design
·32 bit MCU with high speed
·High efficient Series PWM charging
·Four battery type options: Sealed, Gel, Flooded, and USER
·Intelligent lighting and timer control for solar lighting system
·12 bit A/D high-precision sampling to ensure accuracy
·Use MOSFET as electronic switch
·Full control parameters setting and modification, diversified load control mode
·Humanized design of browser interface, undertake every operating conveniently
·Temperature compensation
·Adopt graphics dot-matrix LCD screen and HMI (human-machine interface) with 4 buttons,integrated menu displaying and operation

·Energy statistics function

·RS485 ports with MODBUS communication protocol

·Optional PC monitoring software and remote meter for real-time monitoring and battery management parameter setting

·Field upgradable firmware

Electronic Protections:

·PV short circuit protection
·PV reverse polarity protection
·Battery overcharge protection
·Battery over discharge protection
·Battery reverse polarity protection
·Load overload protection
·Load short circuit protection

·Overheating protection

Specification:

Model	VS2048BN	VS3048BN	VS4548BN	VS6048BN
Nominal system voltage	12/24/36/48V auto work
Rated battery current	20A	30A	45A	60A
Rated load current	20A	30A	45A	60A
Max. battery voltage	64V
Equalize charging voltage	Sealed: 14.6V, Flooded: 14.8V, User-defined: 9~17V
Boost charging voltage	Gel: 14.2V, Sealed: 14.6V, Flooded: 14.8V, User-defined: 9~17V
Float charging voltage	Gel /Sealed /Flooded: 13.8V, User-defined: 9~17V
Low voltage reconnect voltage	Gel /Sealed /Flooded: 12.6V, User-defined: 9~17V
Low voltage disconnect voltage	Gel /Sealed /Flooded: 11.1V, User-defined: 9~17V
Self-consumption	≤15mA(12V); ≤10mA(24V); ≤9mA(36V); ≤8mA(48V)
Grounding	Common negative
Temp. compensation	-3mV/°C/2V
Relative humidity	10%~90% Non-condensation
Communication	RS485 / RJ45 interface
LCD temperature	-20°C ~ +70°C
Working temperature	-25°C ~ +55°C
Humidity	≤95% N.C.
Enclosure	IP30
Overall dimension	200x103x58mm	201x109x59mm	205x119x67mm	205x174x64mm
Terminals	16mm2	35mm2	35mm2	35mm2
Net weight	0.7kg	0.9kg	1.2kg	1.5kg

PWM Solar Charge Controller with LCD Display 20A ,12/24/36/48V,VS2048BN

Q: Can a solar controller be used in extreme weather conditions?: Yes, a solar controller can be used in extreme weather conditions. Most solar controllers are designed to withstand a wide range of weather conditions, including extreme heat, cold, rain, and humidity. However, it is important to ensure that the solar controller is rated for the specific weather conditions it will be exposed to, and proper installation and maintenance procedures should be followed to ensure optimal performance and longevity in extreme weather.

Q: How do I monitor the performance of a solar controller?: To monitor the performance of a solar controller, you can follow these steps: 1. Check the display: Most solar controllers come with an LCD display that shows vital information such as battery voltage, current, charging status, and load status. Regularly checking this display will give you an idea of how your solar controller is performing. 2. Monitor battery voltage: Keep an eye on the battery voltage to ensure it remains within the optimal range. If it consistently falls below or exceeds the recommended levels, it could indicate a problem with the solar controller. 3. Evaluate charging and discharging rates: Observe how efficiently the solar controller charges the battery during the day and discharges it during the night. If you notice any significant discrepancies or irregularities, it may indicate a performance issue. 4. Use a data logging device: Some advanced solar controllers allow you to connect a data logging device that records and stores performance data. This data can be analyzed later to identify any patterns or anomalies in the controller's performance. 5. Regularly inspect connections and cables: Ensure all connections between the solar panels, battery, and controller are secure and free from any corrosion or damage. Faulty connections can affect the controller's performance. 6. Consult the user manual: Refer to the user manual provided by the manufacturer for specific instructions on monitoring and troubleshooting the solar controller. It may contain additional guidance or specific indicators to look for. By regularly monitoring these aspects, you can ensure your solar controller is operating optimally and take necessary action if any performance issues arise.

Q: How do I prevent deep discharge of batteries with a solar controller?: To prevent deep discharge of batteries with a solar controller, there are a few key steps you can follow: 1. Choose an appropriate solar controller: Make sure you select a solar controller that offers a deep discharge protection feature. This feature will help monitor the battery voltage and prevent it from dropping below a certain threshold, ensuring it doesn't get discharged too deeply. 2. Set the low voltage disconnect (LVD) level: Most solar controllers allow you to set the LVD level, which determines the point at which the controller will disconnect the load to prevent further battery discharge. Set the LVD level to a safe value that ensures the battery doesn't get discharged below its recommended minimum voltage. 3. Monitor battery voltage regularly: Keep an eye on the battery voltage using a battery monitor or a voltage meter. This will help you gauge the state of charge and ensure it doesn't drop too low. If you notice the voltage nearing the LVD level, take appropriate action to recharge the battery. 4. Implement battery protection measures: If you have a large solar system or plan to be away for an extended period, consider adding additional battery protection measures. These can include devices like a battery protector or a low voltage disconnect switch, which will automatically disconnect the battery from the system when it reaches a certain voltage threshold. 5. Properly size your solar system: Ensure that your solar panel array is sized appropriately for your battery bank. A properly sized system will generate enough power to keep your batteries charged and prevent deep discharge. It's important to consider factors like daily energy consumption, weather conditions, and battery capacity when sizing your solar system. By following these steps and regularly monitoring your battery voltage, you can effectively prevent deep discharge of batteries with a solar controller. This will help prolong the lifespan of your batteries and ensure optimal performance of your solar system.

Q: Can a solar controller be used with a solar-powered greenhouse?: Yes, a solar controller can be used with a solar-powered greenhouse. A solar controller is responsible for managing and regulating the flow of electricity from the solar panels to the greenhouse, ensuring optimal performance and efficiency. It helps monitor and control various parameters such as temperature, humidity, and lighting levels, allowing for precise automation and control of the greenhouse environment.

Q: Can a solar controller be used with solar panel bypass diodes?: Yes, a solar controller can be used with solar panel bypass diodes. In fact, it is recommended to use a solar controller in conjunction with bypass diodes to ensure optimal performance and protection of the solar panel system. The solar controller helps regulate the charging process and prevent overcharging, while the bypass diodes help minimize the effect of shading or partial shading on the solar panel's output.

Q: What is the maximum current rating of a solar controller?: The maximum current rating of a solar controller can vary depending on the model and manufacturer. However, common solar controllers typically have maximum current ratings ranging from 10 to 60 amps.

Q: Can a solar controller be used with solar panels that have different orientations?: Indeed, solar panels with varying orientations can still be utilized in conjunction with a solar controller. The main purpose of said controller is to regulate the energy flow between the solar panels and either the battery or load. This involves monitoring the voltage and current originating from the solar panels and ensuring that the battery is charged in an efficient and safe manner. Although it is generally recommended to position solar panels directly towards the sun for maximum efficiency, it is still feasible to employ panels with differing orientations. In such instances, the solar controller will adapt the charging parameters to accommodate the diverse input from the panels. By adjusting the voltage and current levels to correspond with the battery's requirements, the charging process can be optimized. However, it should be noted that utilizing panels with varying orientations may impact the overall efficiency and performance of the solar system. The total power output will ultimately be determined by the panel with the least ideal orientation. Consequently, it is advisable to install solar panels with similar orientations to maximize the overall energy production. In conclusion, a solar controller can be employed alongside solar panels with different orientations, although this may result in decreased efficiency and performance. It is most favorable to have panels directly facing the sun in order to achieve optimal energy production.

Q: How do you prevent over-discharging of batteries with a solar controller?: One way to prevent over-discharging of batteries with a solar controller is by using a battery protection feature or setting on the controller. This feature monitors the battery voltage and automatically disconnects the load from the battery when the voltage drops below a certain level, thereby preventing excessive discharge and potential damage to the battery.

Q: What is the maximum temperature range a solar controller can operate in?: The maximum temperature range a solar controller can operate in typically ranges from -40°C to 85°C (-40°F to 185°F).

Q: What is the role of a solar controller in preventing battery undercharging?: Ensuring the longevity and optimal performance of solar battery systems relies heavily on the crucial role played by a solar controller in preventing battery undercharging. Acting as a mediator between the solar panels and batteries, the solar controller effectively regulates the energy flow and safeguards against undercharging. When electricity is generated by solar panels, it is initially in the form of direct current (DC) and must be converted and controlled before being stored in the batteries. This task is effectively carried out by a solar controller, which continuously monitors the voltage and current levels of both the solar panels and batteries. Among the primary functions of a solar controller is the prevention of battery overcharging, which can cause damage or reduce the batteries' lifespan. However, it is equally important in averting battery undercharging. Undercharging occurs when the batteries do not receive enough charge to reach their full capacity, resulting in diminished performance and a shortened lifespan. To address this issue, the solar controller consistently monitors the battery voltage and adjusts the charging current accordingly. It ensures that the batteries receive an adequate amount of charge to replenish any energy consumed, thereby maintaining them at an optimal state of charge. The solar controller employs a charge algorithm that takes various factors into account, including battery type, ambient temperature, and charging conditions, to determine the appropriate charging current. By adjusting the charging voltage to align with the battery manufacturer's specifications, the solar controller effectively prevents both overcharging and undercharging. Furthermore, solar controllers often incorporate additional features such as temperature compensation and low voltage disconnect (LVD) to further safeguard against battery undercharging. Temperature compensation adjusts the charging voltage based on the ambient temperature, ensuring optimal charging regardless of weather conditions. LVD protects the batteries by disconnecting loads when the voltage falls below a specific threshold, thus preventing excessive discharge and undercharging. In summary, the role of a solar controller in preventing battery undercharging revolves around regulating the energy flow from solar panels to batteries, constantly monitoring voltage and current levels to guarantee a sufficient charge. By preventing undercharging, the solar controller maximizes the performance, lifespan, and overall efficiency of solar battery systems.

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