IDS2000 Dual-Row Aisle Containment
Installation Guide (Split-type Skylight, Old-Version
Sliding Door)
10 Cable Layout
Issue 02 (2015-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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If they communicate over Modbus, connect the RS485 card in the PEX air conditioner to
the collector.
Procedure
Step 1
Determine the protocol used by the NetEco to communicate with the PEX air conditioner.
If SNMP is used for communication, perform the following steps:
a.
Connect one end of a common network cable to the network port on the TCP/IP
card, as shown in
Figure 10-63
TCP/IP card in the PEX air conditioner
(1) Network port
b.
Connect the other end of the network cable to the Ethernet port on the switch.
If Modbus is used for communication, perform the following steps:
a.
Connect the cord end terminal of the RS485 monitoring cable to the RS485 card in
the PEX air conditioner, as shown in
between the wiring terminals on the RS485 card and the colors of core wires in the
cord end terminal.
Figure 10-64
RS485 card in the PEX air conditioner
(1) RS485 port