1 way RS485 serial port relay control panel supports MODBUS configuration computer controlled relay module.

8 Way RS232 RS485 Serial Port Relay Control Board (MODBUS) Computer Controlled Relay Module

Four-way Serial Port Relay Module RS232/RS485 Computer Controlled Relay MODBUS 4-way

4-Channel Serial Port Relay Module RS232/RS485 Computer Controlled PLC Relay MODBUS

4-Channel Serial Port Relay Module RS232/RS485 Computer Controlled PLC Relay MODBUS

The serial port server RS485 / 232 to Ethernet supports the configuration of Modbus TCP to RTU

CE035 DC5V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry

RS485/RS232 Serial Port Modbus Relay Switch Analog PLC Extended Industrial Configuration IO Module

CE035 DC5V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry

2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry

RS485 or RS232 Serial Port Relay Switch Input and Output Modbus Industrial Configuration IO Module

RS485/RS232 serial port modbus relay switch analog PLC extended industrial configuration IO module

CE035 DC5V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry

RS485 or RS232 serial relay switch input and output modbus industrial configuration IO module

N428E02 NEW! 2CH 12V DC RS485 Modbus RTU Relay PC UART Serial Port Switch Board For PLC Camera Industrial Control System LED PTZ

N428E02 NEW! 2CH 12V DC RS485 Modbus RTU Relay PC UART Serial Port Switch Board For PLC Camera Industrial Control System LED PTZ

RS485, RS2328 serial relay (10A) modbus industrial configuration IO module

2 in 1 15ch RS485 RS232 Modbus RTU Relay PLC DO PC UART Serial Port Switch Controller DC 12V 24V

N438C15 RTU Relay PC UART Serial Port Switch DC 12V/24V 15CH RS485 RS232 Modbus For PLC Camera Industrial Control System

4-32CH 10A 20A DC 12V 24V RS485 Bus Relay Module DIP Setup Parameters Modbus RTU Serial Port UART Switch Board HMI PLC

4 Channel DC 12V 24V Modbus RTU RS485 DO Relay Module DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board

4 Channel DC 12V 24V Modbus RTU RS485 DO Relay Module DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board

RS485 serial modbus Protocol industrial configuration analog switch input relay output module

RS485 Relay Switch Board DC 12V 24V Multifunction 32 Channel Modbus RTU UART Serial Port Module DIN Rail Box PLC Expanding Board

32 Channel Modbus RTU RS485 Relay Switch Board DC 12V 24V UART Serial Port Module DIN Rail Box PLC Expanding Board

12V 24V 12 NPN Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box for PLC PTZ Configuration Software touch screen

DC 12V 32ch Modbus RTU RS485 Relay Switch UART Serial port DIN Rail Mounted

DC 12V/24V Multifunction Network Relay Ethernet to RS485 Serial Serve LAN RJ45 Modbus MQTT TCP UDP PLC IO Expanding Board

DC 12V/24V Multifunction Network Relay Ethernet to RS485 Serial Serve LAN RJ45 Modbus MQTT TCP UDP PLC IO Expanding Board

DC 12V/24V Multifunction Network Relay Ethernet to RS485 Serial Serve LAN RJ45 Modbus MQTT TCP UDP PLC IO Expanding Board

DC 12V/24V Multifunction Network Relay Ethernet to RS485 Serial Serve LAN RJ45 Modbus MQTT TCP UDP PLC IO Expanding Board

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