PLC has two communication interfaces: RS485 and Ethernet
1. Ethernet transmission: use PLC Ethernet to connect LAN port of Baima industrial cellular router, ensure that IP address set by PLC is in LAN address pool scope of the router, and the gateway of PLC needs LAN address of the router.
The wiring is as below:
2. Link with serial port: first use the computer to link Baima industrial cellular router, enter configuration interface, Advanced → Serial port communication, configure PLC serial port information and central address and port to be linked, then link the PLC (following chart).
Wiring is as below: