Connecting A Power Meter - Huawei SmartLogger2000 User Manual

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SmartLogger2000

User Manual

4.6 Connecting 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 six RS485 ports in the SmartLogger. For the port descriptions, see Context in

Connecting the SUN2000 Using an RS485 Communications Cable of 4.4.1 Connecting the

SUN2000.

Figure 4-27 shows how to connect the SmartLogger to a power meter.

Figure 4-27 Connecting a Power Meter

Procedure

Step 1 Connect one end of the cable delivered with the power meter to the RS485 port of the power

meter.

Step 2 Connect the other end of the cable to the COM port of the SmartLogger. For details about the

operation, see

(2016-06-20)

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.

A power meter is typically installed indoors, and can be connected to the COM port of the SmartLogger

without an RS485 signal SPD.

Step 1–Step 5

Huawei Proprietary and Confidential

in 4.3 Connecting the RS485 signal SPD.

4 Connecting Cables

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