Connecting The Peripheral Rs485 Communications Cables - Huawei SmartACU2000D User Manual

SmartACU2000D Smart Array Controller
User Manual (With PID Modules)
Figure 5-17 Connecting a cable
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5.8 Connecting the Peripheral RS485 Communications
Cables
Connect peripheral RS485 communications cables to the JX01 terminal block. All
RS485 communications cables are connected in the same way. This section
describes how to connect two RS485 communications cables.
Table 5-1 Definition of the JX01 terminal block
No.
1
2
Issue 05 (2023-09-26)
Port on the JX01
Terminal Block
RS485-1 (+)
RS485-1 (–)
Copyright © Huawei Technologies Co., Ltd.
Definition
RS485A, RS485 differential signal+
RS485B, RS485 differential signal–
5 Electrical Connections
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