SmartLogger1000
User Manual
4 Electrical Connections
Issue 12 (2019-01-15)
Copyright © Huawei Technologies Co., Ltd.
30
Figure 4-7
Wiring diagram for the RS485 signal SPD
Verify that the
COM+
port on the SmartLogger is connected to protection port 2 or 8 on the
RS485 signal SPD, and that the
COM-
port on the SmartLogger is connected to protection
port 6 or 12 on the RS485 signal SPD.
Step 6
Use a flat-head screwdriver to tighten the screws on the protection ports, as shown by (2) in
----End
Follow-up Procedure
Disconnection can be performed in reverse order.
4.4 Connecting the SmartLogger to Inverters
This topic describes how to connect the SmartLogger to inverters.
4.4.1 Connecting the SmartLogger to the SUN2000
This topic describes how to connect the SmartLogger to the SUN2000 using an RS485
communications cable.
Context
The SmartLogger provides three COM ports for RS485 communication, as shown in