It is really helpful to draw a schematic LAN network diagram. Arrange all vertexes Vertexes on the project design according to the design rules. Choose the right number of LAN switches. Remember about additional devices, such as the cloud gateway and the connection to the BMS.
LAN network design rules:
The maximum distance between devices is 100 m.
To connect BMS, use Modbus TCP/IP.
The LAN switch requires an external power supply.
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If you have two types of ApCs in your project (Vertex 2 and Vertex 3), below you will find instructions on how to combine them in one system, how to replace the device on site, how do they differ, etc.
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