Huawei NetCol8000-E220 User Manual page 88

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
If the DHCP server is configured on the NMS, select DHCP auto. If no, set this parameter to Manual.
Step 2 On the home screen, choose Settings > Comm Settings > Modbus Settings. Set Link mode
to Server and client or Client, and set Client encryption to Enable.
Figure 4-7 Modbus Settings
Step 3 Enter the actual IP address of the EMS.
Step 4 When Client encryption is set to Enable, set NMS port number to 32907, when Client
encryption is set to Disable, set NMS port number to 32906.
The encryption mode must be the same as it on the NMS.
Table 4-6 Modbus TCP parameter settings
Parameter
Link mode
Client
encryption
Server
encryption
NMS IP
address
Issue 02 (2019-10-10)
Setting Setting Method
Server, Client,  If you set Link mode to Server, the smart cooling
Server and product, as a server, supports two client connection
client and establishes communication.
 If you set Link mode to Client, the smart cooling
product, as a client, can connect to a remote server and
establish communication.
 If you set Link mode to Server and client, the smart
cooling product, as a server, supports two client
connection and establishes communication. In
addition, the smart cooling product, as a client, can
connect to a remote server and establish
communication.
Enable, This parameter is configurable when Link mode is set to
Disable Client.
Enable, This parameter is configurable when Link mode is set to
Disable Server.
N/A Enter the actual IP address of the EMS. IP addresses of
the display panel, EMS client, and EMS server must be
unique. This parameter is configurable when Link mode
is set to Client.
Copyright © Huawei Technologies Co., Ltd.
4 Power-on and Commissioning
80