15
RS485
TX
When the data is transferred to the Modbus bus, it will flash.
RX
When the data from the Modbus bus is received, it will flash.
Power
When power supply of Modbus Gateway(Mini) is normal, it will be always on.
2.2
2.2.1
Communication debugging with air conditioninig equipment
2.2.2
Communication debugging for BMS system
Protocol interface：Modbus RTU protocol
Hardware interface：RS485
Baud rate：9600
Start bit：1
Data not：8
Parity check bit：None
Stop bit：1
Please ask GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI for BMS communication protocol
Modbus Gateway(Mini)
Communication
Debugging
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