Setting Communications Parameters; Setting Communications Parameters (Modbus-Rtu Protocol) - Huawei FusionCol8000-E24 User Manual

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
1.
2.
3.
4.

7.4.4 Setting Communications Parameters

7.4.4.1 Setting Communications Parameters (Modbus-RTU Protocol)

Procedure
Step 1 On the home screen, choose Settings > Comm Settings > Modbus Settings.
Figure 7-6 Modbus Settings
Step 2 Set the baud rate, communication address, and RS485 monitoring group.
Parameter
Baud rate
Issue 03 (2021-04-20)
Check that the number of units in the topology is the same as the actual
number of units.
– If yes, go to 2.
– If no, check the cable connection and the teamwork settings.
Check that the number of running units in the topology is the same as the
actual number of units.
– If yes, go to 3.
– If no, check the cable connection and the teamwork settings.
Check that the number of standby units in the topology is the same as the
actual number of units.
– If yes, go to 4.
– If no, check the cable connection and the teamwork settings.
Check that the number of online units in the topology is the same as the
actual number of units.
– If yes, the check is complete.
– If no, check the cable connection and the teamwork settings.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Description
Set this parameter based on the baud rate of the
connected device. The baud rate must be the
same as that on the NMS. The value can be 9600
or 19200.
7 Power-On Commissioning
123