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Arduino Opta Wifi [AFX00002] - Industrial Iot Controller With Wi-Fi Connectivity, Digital I/O, Analog Inputs, And Modbus Support For Automation And
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$199.00
Arduino Opta Wifi [AFX00002] - Industrial Iot Controller With Wi-Fi Connectivity, Digital I/O, Analog Inputs, And Modbus Support For Automation And
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18
$53.75
Modbus RTU 16-Ch Relay Module With RS485 Interface, Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case, Supports Win7/8/8.1/10/
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Modbus RTU 16-Ch Relay Module With RS485 Interface, Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case, Supports Win7/8/8.1/10/
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$117.84
Eletechsup 16 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board For PLC PTZ Camera Motor (4Pcs)
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Eletechsup 16 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board For PLC PTZ Camera Motor (4Pcs)
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$9.93
JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
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JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
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$26.83
3 in 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board(2DI-2DO,12V Only Board)
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3 in 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board(2DI-2DO,12V Only Board)
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