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  • Composition of the combiner box

    Composition of the combiner box

  • How to connect 485 communication line

    485 communication line connection method1. Connect the 485 communication cable to the "A, B" terminal of the host module, as shown below:2. Connect the 485 communication shielded line between the combiner boxes in series, as shown in the following figure: Note: The shielded wire inside the combiner

  • What circumstances need to replace the Main Control Module

    (1) The Main Controller Module has a black screen. When the multimeter measures a DC voltage between PV + and PV-> 400v, the Main Control Module needs to be replaced.(2) The data of the combiner box cannot be viewed in the background, and the settings (baud rate, parity, address) of the monitori

  • How to replace the Main Control Module

    Note: Operate in sequence, do not operate (2) first, then (1), otherwise an arc will occur (1)Disconnect ① circuit breaker; (2)Pull out all positive and negative fuses; (3)Multimeter measurement confirms that the voltage between modules PV + and PV- is 0v; (4)Display all the wiring marks

  • Cautions after the Main Control Module replacement

    Press the "SET" key to enter the Modbus parameter setting interface. The Modbus parameter setting is as follows:

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