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How to connect 485 communication line

1. Connect the 485 communication cable to the "A, B" terminal of the host module, as shown below:

1642743614(1)


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 box cannot be grounded!

1642744442(1)


3. After suspending the shielded lines of all the combiner boxes in a series, ground the single point at the communication management machine, as shown in the following figure:

1642743652(1)

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