Huawei SmartLogger3000 Quick Guide

6
Connecting the PE Cable
4.2
Connecting the RS485 Communications Cable
4.3
Port
Identifier
Description
COM1, COM2, COM3
+
RS485A, RS485 differential signal+
–
RS485B, RS485 differential signal
–
•
It is recommended that the RS485 communication distance be less than or equal to 1000 m.
•
The SmartLogger can connect to RS485 communications devices, such as a solar inverter, an
environmental monitoring instrument (EMI), and a power meter over the COM port.
•
Ensure that the RS485+ and RS485– terminals are respectively connected to the COM+ and
COM– ports on the SmartLogger.
To enhance the
corrosion resistance
of the ground
terminal, apply silica
gel or paint on it
after connecting the
PE cable.

Huawei SmartLogger3000 Specifications

General

Brand	Huawei
Model	SmartLogger3000
Category	Data Loggers
Language	English