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At the start of air conditioner season, all the indoor units must be test run, and confirm whether the product is correctly
running on the next day.
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The computer for management shall be used as the special computer for this system.
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One computer for management can connect to many sets of units, but several units cannot be in the same H-NET bus.
Note
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The following operation is in the precondition that all the test run and adapter installation are completed and the power
supply is connected.
3.1 Configuration of Modbus Adapter
Set up the product so that it can communicate with PC.
3.1.1 IP Address Setting
Modbus adapter network configuration plan as shown in Figure 3.1.
Modbus adapter
(Prepare on
Ethernet HUB
ip:192.168.1.90
ip:192.168.1.200
Computer for management
Air conditioning
Shielded twist pair
Air conditioner centralized
LAN
User
ip:192.168.1.201
system No.1
Air conditioning
system No.2
Air conditioning
system No.N
the spot)
Figure 3.1 Modbus adapter network configuration plan
Notes and attentions of using
3 Configuration of Modbus Adapter