Huawei NetCol5000-A User Manual page 19

ACC Precision Air Conditioner Controller
User Manual
You can set parameters for Modbus RTU and Modbus TCP on the Modbus setting screen.
Figure 3-6
Figure 3-6 Setting Modbus
Setting 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 3-3 Modbus RTU parameter settings
Parameter
Baud rate
Comm address
----End
Setting 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
Issue 02 (2016-11-30)
a precision air conditioner can be accessed by a maximum of one EMS clients and
connect to the EMS with the corresponding IP address at the same time.
shows the screen for setting the Modbus communications parameters.
Setting
9600, 19200
1–255
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Setting Method
Set the baud rate as required. The value should be
consistent with that set on the EMS.
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.
3 Power-on Commissioning
Figure 3-6
Table 3-3.
Figure 3-6
Table 3-4.
is
is
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