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DB37 Core Relay Terminal Block Adapter Board PLC Relay Terminal Block Wiring Module

Easy to Install DC 12V 24V 20A 32CH RS485 Relay Module Multifunction Modbus RTU Switch PLC Remote IO Board

N438B08 12VDC 8ch RS485 Relay PC UART Serial Port Switch for PLC Camera Industrial Control System

64CH DC 7-27V Multifunction Modbus DI-DO Module Isolate Input Darlington Output for PLC Relay HMI IC Tester Industrial Control

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Mini Size 32CH RS485 Relay Modbus Rtu PLC IO Expansion Module 2A Low Power Intermediate Relay Output Board DIN Rail DC 12V 24V

SZC06 Current sensing switch digital display Ammeter relay upper and lower limit alarm conveyor belt overload control PLC

10A NC COM NO Dry RS485 Relay Modbus RTU Module Contact Output Interface DIN35 C45 Rail Box UART PC PLC Expansion Board

RJ45 LAN WAN Network 32Ch 20A High Current Ethernet/RS485 Relay Module Port TCP/IP Modbus Slave 12V 24V PLC IO Board

Remote Transceiver Wireless Transmitter and Receiver Module Remote Relay Output PLC

Stepper Motor Controller PLC Programmable Controller Board FX1N 20MR Programmable Relay Delay Module Motor Regulator

RYR408B DC12V/24V 8 Channel DIP Switch Set Parameters RS485 Relay Board Modbus RTU PLC Remote IO Module​ with C35 Din Box

1/2PCS 16AI-16DI-16DO RS485 MEGA2560 R3 IO Expanding Module Analog Digital Modbus Relay Board for Arduino Open PLC Remote IO

4DI-DO 433M Wireless 4CH RS485 Bus Relay Module RF Master-Slave Networking Remote IO Swicth Board for PLC Industrial Equipment

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DC 9-24V 8DI-8DO 16DI 16DO RS485 Isolated communication Digital Input and Output Relay MODBUS RTU PLC Expansion Board

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Z3050 Rocker Drilling Machine Relay WJ1-6/4 Multi functional Relay Drilling Machine PLC Controller

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2X FX3U-14MR PLC Industrial Control Board 8 Input 6 Output Programmable Control Relay Output, 24 V PLC Control