User's Manual

Table Of Contents
SmartLogger3000
User Manual
4 Cable Connections
Issue 04 (2020-03-11)
Copyright © Huawei Technologies Co., Ltd.
39
Figure 4-1 Connecting a PE cable
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4.1.3 Connecting an RS485 Communications Cable
Context
The SmartLogger can connect to RS485 communications devices, such as a solar
inverter, an environmental monitoring instrument (EMI), a power meter, and a PID over
the COM port.
Ensure that RS485+ is connected to COM+ of the SmartLogger and RS485– is
connected to the COM– of the SmartLogger.
Procedure
Step 1 Connect an RS485 communications cable.