16-Way Serial Port Relay Control Panel Module Pnp/Npn Delayed Power off 220V Ac Rs232/485

16-Way Serial Port Relay Control Panel Module Pnp/Npn Delayed Power off 220V Ac Rs232/485

8-channel serial port control relay module 220V power off delay RS232/485 signal switching value output linkage

16-channel RS232/485 serial relay switch acquisition output input io control board module

Relay Serial Port Control Board 4 in 4 Out IO Card RS232 485 Communication Modbus VB

Relay Serial Port Control Board 4 in 4 Out IO Card RS232 485 Communication Modbus VB

16-way serial port relay control board RS232/485 pulse counting CANopen switch input MODBUS

8-way serial port relay control board module RS232/485 delay linkage IO switch input pulse count

8-way serial port relay control board module RS232/485 delay linkage IO switch input pulse count

16A high current 4-channel serial port relay control board module RS232/485 switching value output 220V delay

4-way network 485 serial port relay IO control module board 232 switching value acquisition input RS485 / RS232

16-way RS232 485 serial relay control board (MODBUS version) computer control relay module

4-way network 485 serial port relay IO control module board 232 switching value acquisition input RS485 / RS232

32 channel serial port relay control board module RS232/485 delay modbus secondary development IO

1600B Channel RS232 Isolation 485 Serial Port Relay Control Board (MODBUS Version) Computer Relay Module

Solid state relay control board single chip microcomputer industrial control serial port RS232 RS485 MODBUS NPN PNP

Serial Port Solid State Relay 4-way RS232 485 Communication Input and Output Support NPN Pnp12 24V

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Relay Serial Port Control Module RS232/485 Serial Port to IO ModbusRTU Data Acquisition

AFP0RC14CRS FP0R-C14CRS CPU, 16k steps, 8 IN (PNP + NPN), 6 OUT relay, screw terminal block, COM port: RS232

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Relay serial communication control board 4 in 4 out I/O card RS232 485 modbus-RTU

Serial port 232 to 485 RS232 to 422 485 to 422 485 relay High-speed optocoupler isolation converter TVS surge protection

Mutual conversion Serial RS232 RS485 to RS422 485 relay 232 422 Converter Adapter isolation TVS surge protection

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Serial 232 to 485 RS232 to 422 485 to 422 485 relay Isolation converter surge protection

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