EPSOLAR PWM Solar Charge Controller ViewStar VS-48BN Series

VS2048BN / VS3048BN / VS4548BN / VS6048BN

ViewStar series solar controller is EPSOLAR new generation controller for off-grid solar system, such as street light, solar home system or small power station etc.

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Description

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
  • Load overload protection
  • Load short circuit protection
  • Battery reverse polarity protection
  • Overheating protection


Datasheet

Specifications

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: 14.4V,  Flooded: 14.6V, 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//2V

Relative humidity

10%~90% Non-condensation

Communication

RS485 / RJ45 interface

LCD temperature

-20 ~ +70

Working temperature

-25 ~ +55

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

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