EBYTE RS485 Ethernet I/O Networking Module Data Switch 4AI+4DO ModBus Gateway

DC 24V 1/2/4 Channel Digital Relay Switch RS485 Standard Modbus RTU Relay Module

RS485 RS232 to Ethernet RJ45 Serial Port Server TCP UDP Full Duplex Modbus RTU

4AI+ 4AO RS485 Etherent Switch 4 Port Value ModBus TCP RTU I/O Networking Module

Serial Server RS485 to Ethernet Port DTU Module Modbus TCP/HTTP EE11A

2DI+2AI+4DO 8 Digital Outputs Rail ModBus RTU Serial I/O Networking Module EBYTE

Waveshare Industrial Modbus RTU 8-ch Relay Module (B) RS485 Interface 7~36V

DC12/24V Multifunction 32 Channel Modbus RTU RS485 Relay Switch Board UART Port