SPF 5000 ES Service manual
4.2 CNTL board
The CNTL board consists of AD sample, MCU control and communication module. It control the other module work
orderly.
4.3 MPPT board
The Maximum Power Point Tracking (MPPT) board based on a PWM control mode .When the solar source is
presented, battery charged from solar source; MAX charge current is 100A if solar panel with enough energy.
4.4 COMM board
This inverter/charger is equipped with a communication port to communicate with a PC with corresponding
software. Please use supplied communication cable to connect to communication port of this inverter and USB
port of the PC.
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