Press the "SET" key to enter the Modbus parameter setting interface. The Modbus parameter setting is as follows:
• BPS：The baud rate of Modbus communication is 9600 in the field, which does not need to be changed
• PARITY：Data verification method for Modbus communication, no verification on site, no modification required
• ADDRESS：The communication address of the Modbus slave node is changed to the corresponding address according to the junction box number.
Press the "SET" key to enter the parameter setting interface, then press the key on the panel to move the cursor to "Address", press the "SET" key to set the address, press the "+" key to set the correct address, and then press "SET" Press the key to confirm, and the setting is completed.
② Sequence of combiner box recovery after module replacement
Close the fuse to recover, and then close the circuit breaker.