SmartLogger1000
User Manual
4 Electrical Connections
Issue 12 (2019-01-15)
Copyright © Huawei Technologies Co., Ltd.
42
Devices from different vendors may support different protocols. To normally obtain
information from the connected EMI, correctly configure the protocol on the SmartLogger
WebUI based on the document delivered by the vendor.
For the definition of the RS485 communications cable for the EMI, see the instructions
delivered with the EMI.
There are three RS485 ports in the SmartLogger. For the port descriptions, see
Context
in
4.4.1 Connecting the SmartLogger to the SUN2000
shows how to connect the SmartLogger to the EMI.
Figure 4-22
Connecting the SmartLogger to the EMI
Procedure
Step 1
Connect one end of the cable delivered with the EMI to the RS485 port of the EMI.
Step 2
Connect the other end of the cable to a Surge port of the RS485 signal SPD. For details, see
Procedure
in
4.4.1 Connecting the SmartLogger to the SUN2000
Verify that the RS485+ port on the EMI is connected to Surge port
1
or
7
on the RS485 signal
SPD, and that the RS485- port on the EMI is connected to Surge port
5
or
11
on the RS485
signal SPD.
The EMI cannot be detected automatically. You need to add this device manually on the LCD or
WebUI. For details about this operation, see
After the EMI is connected, log in to the embedded WebUI and set relevant parameters for the
EMI
.
For details, see
7.8.4.2 Setting EMI Parameters
. Select the specific model of EMI.
When the SmartLogger is connected to an EMI and multiple inverters at the same time, connect the
EMI to the end of the daisy chain. For details, see