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FusionCol8000-E400 Modular Indirect Evaporative
Cooling System
User Manual
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6.4.2 Setting Communications Parameters
6.4.2.1 Setting Communications Parameters (Modbus-RTU Protocol)
Procedure
Step 1 On the home screen, choose Settings > Comm Settings > Modbus Settings.
Figure 6-4 Modbus Settings
Step 2 Set the baud rate, communication address, and RS485 monitoring group.
Parameter
Baud rate
Communication address
RS485 monitoring grouping
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6.4.2.2 Setting Communications Parameters (Modbus-TCP Protocol)
Context
This section applies to the scenario where the unit is connected to the NMS.
Issue 04 (2022-06-30)
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.
Enter the communications address of the smart
cooling product as planned. The NMS
communicates with the smart cooling product
using this address, and the communications
addresses of two smart cooling products
connected to the same NMS must be different.
● In non-grouping scenarios, set RS485
● In grouping scenarios, set RS485 monitoring
Copyright © Huawei Technologies Co., Ltd.
6 Power-On and Commissioning
monitoring grouping to Enable for each unit.
grouping to Enable for the unit with the
COM/FE port connected, and Disable for
other units.
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