Collection: Products
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R4CVA02 2-Channel RS485 Analog Input Module – Voltage Current Data Acquisition Converter for PLC Inverter
Regular price $3.99 USDSale price $3.99 USDR4CVA02 2-Channel RS485 Analog Input Module – Voltage Current Data Acquisition Converter for PLC Inverter
Regular price $3.99 USDSale price $3.99 USDR4CVA02 2-Channel RS485 Analog Input Module – Voltage Current Data Acquisition Converter for PLC Inverter
Regular price $3.99 USDSale price $3.99 USDSale -
R4D3B16 16CH 10A DIN Rail Relay Module – RS485 Modbus RTU PLC Expansion Board with 6 Control Modes for Industrial Automation
Regular price From $25.29 USDRegular price$29.99 USDSale price From $25.29 USDR4D3B16 16CH 10A DIN Rail Relay Module – RS485 Modbus RTU PLC Expansion Board with 6 Control Modes for Industrial Automation
Regular price From $25.29 USDRegular price$29.99 USDSale price From $25.29 USDR4D3B16 16CH 10A DIN Rail Relay Module – RS485 Modbus RTU PLC Expansion Board with 6 Control Modes for Industrial Automation
Regular price From $25.29 USDRegular price$29.99 USDSale price From $25.29 USDSale -
R4D5E32 32-Channel 20A High-Current Relay Module, DC 12V/24V, Ethernet and RS485 Modbus TCP/RTU for Automation Control
Regular price From $99.90 USDRegular price$128.56 USDSale price From $99.90 USDR4D5E32 32-Channel 20A High-Current Relay Module, DC 12V/24V, Ethernet and RS485 Modbus TCP/RTU for Automation Control
Regular price From $99.90 USDRegular price$128.56 USDSale price From $99.90 USDR4D5E32 32-Channel 20A High-Current Relay Module, DC 12V/24V, Ethernet and RS485 Modbus TCP/RTU for Automation Control
Regular price From $99.90 USDRegular price$128.56 USDSale price From $99.90 USDSale -
R4D7G04 2AI-2DI-20DO Multifunction Relay Module – RS485 Modbus RTU 4-20mA/0-10V Analog Input PLC IO Expansion Board 10A Output
Regular price From $14.54 USDRegular price$16.12 USDSale price From $14.54 USDR4D7G04 2AI-2DI-20DO Multifunction Relay Module – RS485 Modbus RTU 4-20mA/0-10V Analog Input PLC IO Expansion Board 10A Output
Regular price From $14.54 USDRegular price$16.12 USDSale price From $14.54 USDR4D7G04 2AI-2DI-20DO Multifunction Relay Module – RS485 Modbus RTU 4-20mA/0-10V Analog Input PLC IO Expansion Board 10A Output
Regular price From $14.54 USDRegular price$16.12 USDSale price From $14.54 USDSale -
R4D8A08 8-Channel RS485 Modbus RTU Relay Module – DC 12V DIN Rail Remote I/O for PLC Automation
Regular price From $16.98 USDRegular price$21.89 USDSale price From $16.98 USDR4D8A08 8-Channel RS485 Modbus RTU Relay Module – DC 12V DIN Rail Remote I/O for PLC Automation
Regular price From $16.98 USDRegular price$21.89 USDSale price From $16.98 USDR4D8A08 8-Channel RS485 Modbus RTU Relay Module – DC 12V DIN Rail Remote I/O for PLC Automation
Regular price From $16.98 USDRegular price$21.89 USDSale price From $16.98 USDSale -
R4DB908 8-Channel Solid State Relay Module – RS485 RS232 DB9 Dual Bus 3A NPN MOS Opto-Isolated Output with VH3.96 Connector for PLC Modbus RTU
Regular price From $7.99 USDRegular price$7.99 USDSale price From $7.99 USDR4DB908 8-Channel Solid State Relay Module – RS485 RS232 DB9 Dual Bus 3A NPN MOS Opto-Isolated Output with VH3.96 Connector for PLC Modbus RTU
Regular price From $7.99 USDRegular price$7.99 USDSale price From $7.99 USDR4DB908 8-Channel Solid State Relay Module – RS485 RS232 DB9 Dual Bus 3A NPN MOS Opto-Isolated Output with VH3.96 Connector for PLC Modbus RTU
Regular price From $7.99 USDRegular price$7.99 USDSale price From $7.99 USD -
R4DCB08 8-Channel DS18B20 Temperature Acquisition Module – RS485 DC 12V Remote Temperature Monitoring for PLC
Regular price $9.99 USDSale price $9.99 USDR4DCB08 8-Channel DS18B20 Temperature Acquisition Module – RS485 DC 12V Remote Temperature Monitoring for PLC
Regular price $9.99 USDSale price $9.99 USDR4DCB08 8-Channel DS18B20 Temperature Acquisition Module – RS485 DC 12V Remote Temperature Monitoring for PLC
Regular price $9.99 USDSale price $9.99 USDSale -
R4DIK04/R4DVI04 4AI-4DI-4DO Mixed IO Module – RS485 Modbus RTU 4-20mA/0-10V Analog Digital Relay Board for PLC Remote IO Expansion
Regular price From $14.89 USDRegular price$18.99 USDSale price From $14.89 USDR4DIK04/R4DVI04 4AI-4DI-4DO Mixed IO Module – RS485 Modbus RTU 4-20mA/0-10V Analog Digital Relay Board for PLC Remote IO Expansion
Regular price From $14.89 USDRegular price$18.99 USDSale price From $14.89 USDR4DIK04/R4DVI04 4AI-4DI-4DO Mixed IO Module – RS485 Modbus RTU 4-20mA/0-10V Analog Digital Relay Board for PLC Remote IO Expansion
Regular price From $14.89 USDRegular price$18.99 USDSale price From $14.89 USDSale -
R4HUB08 8-Channel RS485 Hub – Industrial Signal Repeater for Modbus RTU TCP/IP MQTT HTTP Bus Communication Expansion
Regular price $19.58 USDRegular price$19.58 USDSale price $19.58 USD -
R4IOH08 Mini 8CH RS485 Multifunction DI-DO Module – 5 Modes NPN/PNP Configurable Digital IO Board Modbus RTU for PLC Expansion DC 5V/12V/24V
Regular price From $2.26 USDRegular price$6.42 USDSale price From $2.26 USDR4IOH08 Mini 8CH RS485 Multifunction DI-DO Module – 5 Modes NPN/PNP Configurable Digital IO Board Modbus RTU for PLC Expansion DC 5V/12V/24V
Regular price From $2.26 USDRegular price$6.42 USDSale price From $2.26 USDR4IOH08 Mini 8CH RS485 Multifunction DI-DO Module – 5 Modes NPN/PNP Configurable Digital IO Board Modbus RTU for PLC Expansion DC 5V/12V/24V
Regular price From $2.26 USDRegular price$6.42 USDSale price From $2.26 USDSale -
R4IOI16 16CH 5-in-1 Configurable Modbus RTU Digital IO Module – 16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO RS485 NPN/PNP Pin Core Board for PLC Expansion
Regular price From $4.68 USDRegular price$8.37 USDSale price From $4.68 USDR4IOI16 16CH 5-in-1 Configurable Modbus RTU Digital IO Module – 16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO RS485 NPN/PNP Pin Core Board for PLC Expansion
Regular price From $4.68 USDRegular price$8.37 USDSale price From $4.68 USDR4IOI16 16CH 5-in-1 Configurable Modbus RTU Digital IO Module – 16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO RS485 NPN/PNP Pin Core Board for PLC Expansion
Regular price From $4.68 USDRegular price$8.37 USDSale price From $4.68 USDSale -
R4IOI16 Modbus RTU Digital I/O RS485 Board – 16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO Selectable for Arduino ESP32 ESP8266 PLC Smart Home
Regular price From $4.46 USDRegular price$9.99 USDSale price From $4.46 USDR4IOI16 Modbus RTU Digital I/O RS485 Board – 16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO Selectable for Arduino ESP32 ESP8266 PLC Smart Home
Regular price From $4.46 USDRegular price$9.99 USDSale price From $4.46 USDR4IOI16 Modbus RTU Digital I/O RS485 Board – 16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO Selectable for Arduino ESP32 ESP8266 PLC Smart Home
Regular price From $4.46 USDRegular price$9.99 USDSale price From $4.46 USDSale -
R4IOJ32 5 IN 1 32DI/32DO/16DI-16DO/8DI-24DO/24DI-8DO Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
Regular price From $7.82 USDRegular price$10.94 USDSale price From $7.82 USDR4IOJ32 5 IN 1 32DI/32DO/16DI-16DO/8DI-24DO/24DI-8DO Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
Regular price From $7.82 USDRegular price$10.94 USDSale price From $7.82 USDR4IOJ32 5 IN 1 32DI/32DO/16DI-16DO/8DI-24DO/24DI-8DO Modbus Rtu Digital 5V 3.3V TTL IO RS485 2.54mm Pin Core Board
Regular price From $7.82 USDRegular price$10.94 USDSale price From $7.82 USDSale -
R4M9B12 4CH MOS Tube Output Control Board – RS485 Modbus RTU PLC Expansion Module with 3A NPN Output for LED Dimmer Valve Driver DC 6-25V
Regular price $8.99 USDRegular price$10.99 USDSale price $8.99 USDR4M9B12 4CH MOS Tube Output Control Board – RS485 Modbus RTU PLC Expansion Module with 3A NPN Output for LED Dimmer Valve Driver DC 6-25V
Regular price $8.99 USDRegular price$10.99 USDSale price $8.99 USDR4M9B12 4CH MOS Tube Output Control Board – RS485 Modbus RTU PLC Expansion Module with 3A NPN Output for LED Dimmer Valve Driver DC 6-25V
Regular price $8.99 USDRegular price$10.99 USDSale price $8.99 USDSale -
R4PIN08 8CH Multifunction RS485 IO Core Board – 2.54mm Pin Configurable Digital Input Output Module Modbus RTU for PLC HMI Remote IO Expansion
Regular price From $3.35 USDRegular price$7.52 USDSale price From $3.35 USDR4PIN08 8CH Multifunction RS485 IO Core Board – 2.54mm Pin Configurable Digital Input Output Module Modbus RTU for PLC HMI Remote IO Expansion
Regular price From $3.35 USDRegular price$7.52 USDSale price From $3.35 USDR4PIN08 8CH Multifunction RS485 IO Core Board – 2.54mm Pin Configurable Digital Input Output Module Modbus RTU for PLC HMI Remote IO Expansion
Regular price From $3.35 USDRegular price$7.52 USDSale price From $3.35 USDSale -
R4PLB04 4DI 4DO RS485 Modbus Remote I/O Core Board – Pulse Counter with 2.54mm Pin Header
Regular price From $4.49 USDRegular price$6.41 USDSale price From $4.49 USDR4PLB04 4DI 4DO RS485 Modbus Remote I/O Core Board – Pulse Counter with 2.54mm Pin Header
Regular price From $4.49 USDRegular price$6.41 USDSale price From $4.49 USDR4PLB04 4DI 4DO RS485 Modbus Remote I/O Core Board – Pulse Counter with 2.54mm Pin Header
Regular price From $4.49 USDRegular price$6.41 USDSale price From $4.49 USDSale -
R4ROM01 3A Mini RS485 Relay Module – Low Noise 5V/12V/24V Modbus RTU Remote IO Board with 6 Control Commands for PLC Smart Home
Regular price $3.98 USDSale price $3.98 USDR4ROM01 3A Mini RS485 Relay Module – Low Noise 5V/12V/24V Modbus RTU Remote IO Board with 6 Control Commands for PLC Smart Home
Regular price $3.98 USDSale price $3.98 USDR4ROM01 3A Mini RS485 Relay Module – Low Noise 5V/12V/24V Modbus RTU Remote IO Board with 6 Control Commands for PLC Smart Home
Regular price $3.98 USDSale price $3.98 USDSale -
R4SLS08 RS485 Modbus Remote I/O Module – NPN PNP Digital Input Output Board DC 12V/24V with Quick Wiring Connector
Regular price $5.99 USDSale price $5.99 USDR4SLS08 RS485 Modbus Remote I/O Module – NPN PNP Digital Input Output Board DC 12V/24V with Quick Wiring Connector
Regular price $5.99 USDSale price $5.99 USDR4SLS08 RS485 Modbus Remote I/O Module – NPN PNP Digital Input Output Board DC 12V/24V with Quick Wiring Connector
Regular price $5.99 USDSale price $5.99 USDSale -
RC44B12+RF34C12 12CH 433MHz 20dBm FSK Rolling Code Wireless Relay Kit – Moisture Proof Garage Door & Smart Home Controller
Regular price From $28.68 USDRegular price$28.68 USDSale price From $28.68 USDRC44B12+RF34C12 12CH 433MHz 20dBm FSK Rolling Code Wireless Relay Kit – Moisture Proof Garage Door & Smart Home Controller
Regular price From $28.68 USDRegular price$28.68 USDSale price From $28.68 USDRC44B12+RF34C12 12CH 433MHz 20dBm FSK Rolling Code Wireless Relay Kit – Moisture Proof Garage Door & Smart Home Controller
Regular price From $28.68 USDRegular price$28.68 USDSale price From $28.68 USD -
RF33A04 RC43A04 433MHz 4CH Rolling Code Remote Control – HCS301 Keeloq Keyfob Transmitter for Garage Door Motor Gate LED Smart Home
Regular price From $9.99 USDRegular price$12.35 USDSale price From $9.99 USDRF33A04 RC43A04 433MHz 4CH Rolling Code Remote Control – HCS301 Keeloq Keyfob Transmitter for Garage Door Motor Gate LED Smart Home
Regular price From $9.99 USDRegular price$12.35 USDSale price From $9.99 USDRF33A04 RC43A04 433MHz 4CH Rolling Code Remote Control – HCS301 Keeloq Keyfob Transmitter for Garage Door Motor Gate LED Smart Home
Regular price From $9.99 USDRegular price$12.35 USDSale price From $9.99 USDSale