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1.1 System Constitution
Figure 1.1 shows the system constitution case of using this product.
LAN
Indoor unit
system can connect WIFI
WIFIsignal
LAN
H-NET
Optional
Modbus RTU
Modbus TCP
Router or switch
Modbus adapter
Outdoor unit
Third party control
RS-485 line
Figure 1.1 The product system constitution case
This product is Modbus adapter of Hisense air conditioner. Use Modbus TCP as the main body, compatible with Modbus
RTU protocol, and convert the communication protocol of the company’s air conditioner into Modbus standard format protocol
for PC’s secondary development and monitoring. It’s more convenient to achieve docking with the third party system.
The product also has the following functions:
①
Can concentrate to control the air conditioner units;
②
Support WIFI connection;
③
Record the running status and alarm code of air conditioner (SD card storage);
④
External input and output linkage function;
⑤
Support USB power supply;
⑥
LAN control;
⑦
Indoor unit data monitoring;
⑧
WEB server configuration, etc.
Note
●
The object controlled by the product is the outdoor and indoor unit connected to the communication line.
●
One Modbus adapter can be connected to the same bus the utmost.
●
Do not support the connection of no crossing line for indoor unit.
1 System Constitution