RS485 2DI+2AI+2DO ModBus RTU I/O Network Modules with Serial Port for PLC/Touch

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

DC 12V 32Ch RS485 Modbus RTU Multifunction Relay Module PLC IO Expanding Board

DC 12V 24V 16CH Temperature & Humidity Collector RS485 Modbus Rtu Board SHT30

1PCS Modbus-rtu 2-way Relay Module Output 2 Input Channel Switch TTL / RS485

Modbus Rtu 4 Kanal Relais Moduleingang 485 Ttl Uart Communication 4-Kanal E2286

DC 24V Digital Relay Switch DiDo Multifunction RS485 PLC IO Expanding Board

4-20MA Voltage Acquisition RS485 Modbus RTU Module for PLC Current4322