Huawei NetCol5000-A User Manual page 98

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
Figure 4-8 Setting Modbus communications parameters
Step 2 Set the parameters by following instructions in
Table 4-4 Modbus parameter settings
Parameter
Protocol
Baud rate
Comm
address
Connection
mode
EMS IP
address
Issue 13 (2019-01-15)
Specification Setting Method

Modbus RTU, Modbus RTU: If a smart cooling product needs to
Modbus TCP connect to an EMS using an RS485 cable, set
Protocol to Modbus RTU.
 Modbus TCP: If a smart cooling product needs to
connect to an EMS through an IP address network, set
Protocol to Modbus TCP.
9600, 19200 Set the baud rate as required. The value should be
consistent with that at the EMS side. This parameter is
configurable when Protocol is set to Modbus RTU.
1–255 Set the address of the smart cooling product. The EMS
communicates with the smart cooling product through
this address, and the addresses of two smart cooling
products connected to the same EMS must be unique.
This parameter is configurable when Protocol is set to
Modbus RTU.
Server, Client, This parameter is configurable when Protocol is set to
Server+client Modbus TCP.
 Server: If the smart cooling product and EMS do not
need to access the Internet (the smart cooling product
and the EMS are in the same LAN), set Connection
mode to Server.
 Client: If the smart cooling product and EMS need to
access the Internet, set Connection mode to Client.
 Server+client: This option provides functions of both
the Server and Client options.
- Enter the actual IP address of the EMS. IP addresses of
the display panel, client EMS, and server EMS must be
unique. This parameter is configurable when Connection
mode is set to Client.
Copyright © Huawei Technologies Co., Ltd.
Table 4-4.
4 ACC Introduction
89