Setting Communications Parameters; Setting Communications Parameters (Modbus Rtu Protocol) - Huawei NetCol5000-C030H90D0 User Manual

NetCol5000-C(030, 032, 065) In-row Chilled Water
Smart Cooling Product
User Manual (2019)
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4.4.4 Setting Communications Parameters

4.4.4.1 Setting Communications Parameters (Modbus RTU Protocol)

Context
To set communications parameters, log in as the admin user.
Procedure
Step 1 On the home screen, choose Settings > Comm Settings > Modbus Settings.
Step 2 Set baud rate and communication address by following instructions in
Table 4-8 Baud rate and communication address settings
Parameter
Baud rate
Communic
ation
address
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Issue 03 (2020-08-30)
– If no, check the cable connection and the settings of teamwork control
parameters.
Check whether the number of active devices on the topology is the same as
the actual device number.
– If yes, go to 3.
– If no, check the cable connection and the settings of teamwork control
parameters.
Check whether the number of standby devices on the topology is the same as
the actual device number.
– If yes, go to 4.
– If no, check the cable connection and the settings of teamwork control
parameters.
Check whether the number of online devices on the topology is the same as
the actual device number.
– If yes, the check is complete.
– If no, check the cable connection and the settings of teamwork control
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 smart
cooling product as planned. The EMS
communicates with the smart cooling product
through this address, and the communication
addresses of two smart cooling products
connecting to the same EMS must be unique.
4 Commissioning
Table 4-8.
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