Dam0100 + 232 Single Channel Command Control Relay [customizable Development] Supports Modbus Protocol

8-channel RS485 Module Modbus Rtu Protocol AT Command Multi-function Relay PLC Control Board 5-24V

Industrial Control | MR5 RS485 Serial Port Potentiometer Remote Adjustable Resistance Supports MODBUS-RTU Protocol

DAM0100 + 232 single command control relay

GPS to RS485 Beidou Satellite BD Positioning Module 232 Interface Modbus RTU Supports JSON Protocol

8DI8DO combined control system Modbus RTU protocol serial port RS485 232 digital input and output. Relay output

6-channel extended I / O controller RS485 relay communication module supports Modbus protocol

8-channel RS485 RS232 Module Modbus RTU Protocol AT Command Multi-function Relay PLC Control Board DC 5-24V Relay Switch Board

LED Display Control Card with Font Library Supports MODBUS Protocol 485 Configuration PLC Communication Secondary Development

LED Display Control Card Tape Library Supports Modbus Protocol 485 Configuration and Secondary Development of PLC Communication

Serial port io acquisition module relay control board expansion switch rs485/232 communication modbus protocol

4-channel serial port relay control board module RS485/232 interface MODBUS protocol ASCII pulse count

8DI8DO combined control board，Modbus RTU protocol serial port RS485 232 digital input and output. Relay output

R421A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU Protocol 485 Remote Control Switch for PLC PTZ Camera Security Monitoring

Modbus protocol for industrial high current strong protection with interface of 4-input-4-output relay board 232 and 485

8DI8DO Combined control system Modbus RTU protocol serial port RS485 232 digital input and output relay: 5A/250VAC, 5A/30VDC

Huaqingjun 16-Channel RS485 Communication Single Open Relay Module Modbus RTU Protocol for HMI

8DI8DO combined control system Modbus RTU protocol serial port RS485 232 digital input and output. Relay output

8DI8DO Combined Control System Modbus RTU Protocol Serial Port RS485 232 Digital Input and Output. Relay Output

Serial control relay 2-way IO card serial RS 232 485 Modbus Vb case

Construction Site Dust LED Display Control Card Standard Modbus Protocol No Need for Secondary Development

Huaqingjun 4-Channel RS485 Communication Relay Module RS485 Modbus RTU/232 DC24V IO Module for Sensor

RS485 Communication Relay Module DC 24V Switch Output Module Supports Modbus Protocol with Address

Modbus protocol for industrial class high current strong protection with 4-input-4-output relay board 232 and 485 interfaces

Secondary Development of PLC Modbus Protocol PLC Kingview LED Control Card | Configuration LED Control Card

Waveshare 8-ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation

Waveshare 8-ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation

Waveshare 8-ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation

MR7 Small Power CNC Potentiometer Remote Adjustable Resistor RS485 Supports MODBUS-RTU Protocol

Waveshare 8-ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation

Waveshare 8-ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation

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