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

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Parameter
Temperatur
e control
mode
Temperatur
e 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.
Issue 06 (2020-08-19)
Description
This parameter controls the
temperature inside the room or
aisles based on the Average
value, Max value, or Min
value of the temperatures
collected by each sensor.
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
● Average value: Select
Average value if the
temperature is to be
controlled based on the
averaged data value
collected by the collector.
● Max value: Select Max
value if 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
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