Huawei ECC800-Pro - How Can I Set and Add an Envicool Air Conditioner (Modbus-RTU)

Path Parameter Setting
and click Add
Device. The
parameters
for adding
devices are
displayed.
Connect To Select ECC800 from the drop-down list
box.
Communicati
ons Port
Select COM2 from the drop-down list box.
Device
Address
In this example, Device Address is set to 1.
During actual conguration, set the device
address for the SVG based on the actual
situation.
3. Click Test Connect to check whether the SVG connects to the ECC800-Pro
properly.
– If the connection succeeds, click
Conrm. The connected devices are
displayed in the Number of connected devices list.
– If the connection fails, check whether the device is properly connected to
the ECC800-Pro, whether the device and ECC800-Pro are running
properly, and whether the parameter settings are consistent with the
device parameters.
----End
8.1.7.9 How Can I Set and Add an Envicool Air Conditioner (Modbus-RTU)?
Prerequisites
One end of the straight-through cable has been connected to terminals 1 and 2
on the air conditioner electric control box, and the other end has been connected
to the COM/AIDI port on the ECC800-Pro collector or UIM20A.
(Optional) One end of the straight-through cable has been connected to terminals
7 and 8 on the air conditioner electric control box, and the other end has been
connected to the COM/AIDI port on the ECC800-Pro collector or UIM20A.
NO TE
● Terminals 1 and 2 of the air conditioner electric control box are RS485+ and RS485–,
respectively. Terminals 7 and 8 are Boolean dry contacts, which are polarity insensitive.
● Cables need to be connected to both the Envicool CRU and IFX end devices.
Procedure
Step 1 Set monitoring parameters for the air conditioner.
1. On the home screen of the air conditioner, click SetPoint, enter the password
8866, and click OK.
2. On the air conditioner parameter setting page, set MonAddr to 1.
Step 2 Add an Envicool air conditioner (Modbus-RTU).
1. Log in to the ECC800-Pro WebUI as an administrator.
ECC800 Data Center Controller
User Manual (for ECC800-Pro) 8 FAQ
Issue 02 (2020-09-07) Copyright © Huawei Technologies Co., Ltd. 271