Modbus-TCP
Modbus TCP is an industrial Ethernet protocol based on TCP, which enables the OpenPLC Modbus-TCP master to connect sub-devices and achieve PLC I/O expansion.
| Items | Number | Note |
|---|---|---|
| VisionFive 2 | 2 | One is the master and the other is the slave. |
| Breadboard | 1 | - |
| LED | 2 | Preferably two different colors. |
| Button | 2 | - |
| Dupont line | Several | - |