Setting Communications Parameters; Setting Communications Parameters (Modbus Rtu Protocol) - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Parameter
Temperature
setpoint
Humidity
setpoint
----End

4.4.2 Setting Communications Parameters

4.4.2.1 Setting Communications Parameters (Modbus RTU Protocol)

Procedure
Step 1 On the home screen, choose Settings > Comm Settings > Modbus Settings.
Figure 4-5 Modbus Settings
Issue 02 (2019-10-10)
Description
After the Temperature and humidity
control type and the temperature
value under this type are set, the
device runs based on the settings.
After the Temperature and humidity
control type and the humidity value
under this type are set, the device
runs based on the settings.
Copyright © Huawei Technologies Co., Ltd.
4 Power-on and Commissioning
Configuration Principle
the temperature is to be
controlled based on the
maximum data value collected
by the collector.
 Min value: Select Min value if
the temperature is to be
controlled based on the
minimum data value collected
by the collector.
Set this parameter as required.
 Return air temperature: 26–35° C
recommended

Supply air temperature:
18–24° C recommended
 Cold aisle temperature: 18–24° C
recommended

Hot aisle temperature: 26–35° C
recommended
Set this parameter as
required.40%–60% RH
recommended
78