Connecting The Smartlogger To A Power Meter - Huawei SmartLogger1000 User Manual
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SmartLogger1000
User Manual
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4.6 Connecting the SmartLogger to a Power Meter
This topic describes how to connect the SmartLogger to a power meter.
Context
The SmartLogger can be connected to a power meter that supports the standard Modbus-RTU
or DL/T645 protocol.
The protocol points for Power Meters provided by different vendors are varied. Therefore, to
obtain information from a Power Meter, configure the protocol point on the WebUI of the
SmartLogger properly based on the document delivered by the vendor.
For details about the definition of the RS485 communications cables for the Power Meter, see
the operation manual delivered with the Power Meter.
There are three RS485 ports in the SmartLogger. For details about the port descriptions, see
Context in
Figure 4-26
Figure 4-26 Connecting the SmartLogger to a power meter
Issue 12 (2019-01-15)
If the SmartLogger needs to connect to an EMI and multiple inverters, connect the EMI at the end of
the daisy chain, and verify that other devices connected to the port have different addresses from the
EMI. For the daisy chain connection, see
The SmartLogger can be connected to and manage only one power meter that supports the
Modbus-RTU protocol.
The SmartLogger can be connected to and manage multiple power meters that support the DL/T645
protocol.
4.4.1 Connecting the SmartLogger to the
shows how to connect the SmartLogger to the Power Meter.
A Power Meter is typically installed indoors, and can be connected to the COM port of the SmartLogger
without an RS485 signal SPD.
Copyright © Huawei Technologies Co., Ltd.
4.4.3 Connecting Multiple Inverters to the
SUN2000.
4 Electrical Connections
SmartLogger.
45
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