How Can I Set And Add An Envicool Air Conditioner (Modbus-Rtu) - Huawei ECC800-Pro User Manual

ECC800 Data Center Controller
User Manual (for ECC800-Pro)
3.
----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.
Procedure
Step 1 Set monitoring parameters for the air conditioner.
1.
2.
Step 2 Add an Envicool air conditioner (Modbus-RTU).
1.
Issue 02 (2020-09-07)
Path Parameter
and click Add Connect To
Device. The
parameters
Communicati
for adding
ons Port
devices are
displayed.
Device
Address
Click Test Connect to check whether the SVG connects to the ECC800-Pro
properly.
– If the connection succeeds, click Confirm. 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.
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.
On the home screen of the air conditioner, click SetPoint, enter the password
8866, and click OK.
On the air conditioner parameter setting page, set MonAddr to 1.
Log in to the ECC800-Pro WebUI as an administrator.
Copyright © Huawei Technologies Co., Ltd.
Setting
Select ECC800 from the drop-down list
box.
Select COM2 from the drop-down list box.
In this example, Device Address is set to 1.
During actual configuration, set the device
address for the SVG based on the actual
situation.
8 FAQ
271