Third-party network management connection on SUN2000L

Created: Apr 19, 2019 08:53:04 60 0 0 0

This post is about the third-party network management connection on SUN2000L. Let's check it out!


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Step 1. Start Packet Sender; with the start of the software, a TCP server must be turned on.


Set Persistent TCP as enabled; the 'Packet Sender' TCP port is: 59755.


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In this way, we simulated a Modbus/TCP server on the computer side. This is the role that third-party grid management will play in the future.


Step 2. Connect the inverter to this server via the FusionHome app.


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We got the IP address as 192.168.1.10, binding port 59755. Configure the parameters on the FusionHome app as follows:


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When you click the 'Connect' button, the software will open up a new window.


Step 3. Send the command


Query the value of the register as described in the documentation.


e.g.  00 01 00 00 00 06 00 037E 3200 02 ( 'Packet Sender' did not support HEX input, so we need to transfer HEX to ASCII; this conversion function is in the main window of 'Packet Sender').


 Structure of the protocols:


Protocol Identifier:       00 01

Protocol Type:                00 00

Data Length:                    00 06

Logic Device ID:              00              (Logic device ID should be '00'; the inverter product used as a slave node)

Function Code:                03

Register Address:          7E 32

Number of Registers:  00 02


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From the inverter you will receive a reply as following:  00 01 00 00 00 03 00 83 02.


  • x
  • convention:

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