Huawei NetCol5000-A User Manual page 110

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
Figure 4-14 Setting Modbus
Setting Parameters for Modbus RTU
Step 1 On the home screen, choose Settings > Comm Settings > Modbus Settings.
displayed.
Step 2 Set parameters for Modbus RTU by following instructions in
Table 4-8 Modbus RTU parameter settings
Parameter
Baud rate
Comm
address
----End
Setting Parameters for Modbus TCP
Step 1 On the home screen, choose Settings > Comm Settings > Modbus Settings.
displayed.
Step 2 Set parameters for Modbus TCP by following instructions in
Table 4-9 Modbus TCP parameter settings
Parameter
Link mode
Issue 01 (2017-07-27)
Setting Setting Method
9600, 19200 Set the baud rate as required. The value should be
consistent with that set on the EMS.
1–255 Set the communication address of the precision air
conditioner as planned. The EMS communicates with the
precision air conditioner through this address, and the
communication addresses of two precision air
conditioners connecting to the same EMS must be
unique.
Setting Setting Method

Server, Client, If you set Link mode to Server, the air conditioner, as
Server and a server, supports two client connection and
client establishes communication.

If you set Link mode to Client, the air conditioner, as
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4 Commissioning
Figure 4-14
Table 4-8.
Figure 4-14
Table 4-8.
is
is
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