Gree ME30-24/E6, Service Manual

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DIP switch of matched resistance is shown as below:
n is ODU system quantity, n≤16.
2.1.1.4
The Third Switch of Function DIP Switch S3 - Setting of Modbus Bus Matched Resistance
Notice! The third switch of function DIP switch is used for setting the matched resistance of this gateway in Modbus bus.
Modbus bus: Detailed meaning please refer to topology introduction.
The seventh switch of function DIP switch is used for setting the matched resistance of this gateway in Modbus bus.
If the Modbus gateway is at the end of Modbus bus, the gateway shall be set as with the matched resistance, which means set
the third DIP switch to 0;
If the Modbus gateway is not at the end of Modbus bus, the gateway shall be set as without the matched resistance, which
means set this DIP switch to 1.
DIP switch of matched resistance is shown as below:
2.1.1.5
The Second Switch of Function DIP Switch S3 - Setting of gateway starting IDU project number
Gateway starting IDU project number means the IDU range that this gateway can be handled. The second switch of function
DIP switch is used for setting the gateway starting IDU project number.
Gateway starting IDU project number is 1: this gateway can handle the IDU with project number from 1~128.
Gateway starting IDU project number is 129: this gateway can handle the IDU with project number from 129~255.
Setting diagram of gateway starting IDU project number DIP switch:
2.1.2
LED Display
LED indicators shown in the above figure are divided into two parts: status indicators (power) and communication indicators
(CAN, RS485). Operation status of each indicator is shown in the following table.
CAN
TX
When the data is transferred to the equipment (e.g. air conditioner) connected with Modbus Gateway(
Mini), it will flash.
RX
When the data from the equipment (e.g. air conditioner) connected with Modbus Gateway(Mini)is
received, it will flash.
Modbus Gateway(Mini)