Huawei NetCol5000-A035 - Page 106

product can be connected only to an EMS with a specic ID address. If
Connection mode is set to Server+client, one smart cooling product can be
accessed by a maximum of two EMS clients and connect to an EMS with a
specic ID address at the same time.
Procedure
Step 1 Choose Settings > Comm Settings > Modbus Settings on the home page. The
page shown in Figure 4-10 is displayed.
Figure 4-10 Setting Modbus communications parameters
Step 2 Set the parameters by following instructions in Table 4-5.
Table 4-5 Modbus parameter settings
Parameter
Specication Setting Method
Protocol Modbus RTU,
Modbus TCP
● Modbus RTU: If a smart cooling product needs
to 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.
Baud rate 9600, 19200 Set the baud rate as required. The value should be
consistent with that at the EMS side. This
parameter is congurable when Protocol is set to
Modbus RTU.
Comm
address
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
congurable when Protocol is set to Modbus RTU.
NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm Width) 4 ACC Introduction
Issue 17 (2020-10-22) Copyright © Huawei Technologies Co., Ltd. 96