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UART 485/232/TTL
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RS485 Modues & relays
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Wireless RS485/RS232 series 1
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top saler
R428A01 2 In 1 RS485 RS232 TTL AT Modbus RTU Relay Switch Board PC USB COM UART Serial Port 1 CH 12V DC Module
US$4.99
R217A08 12V 8CH RS232 IO Control Switch Relay PLC Expansion Board DB9 Serial Port PC Com Module For Arduino UNO MEGA NANO
US$4.99
UD48501 VCC Output USB to RS485 programmer
US$5.99
25IOB16 16DI 16DO NPN to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA DMOS PNP High Level Output for PLC LED Smart Home IOT
US$25.99
25IOB16 16DI 16DO PNP to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA DMOS PNP High Level Output for PLC LED Smart Home IOT
US$25.99
R4DB908 2 in 1 RS485 RS232 DB9 8DO Module Modbus Rtu 3A NPN Mos Optocoupler Isolation Output Solid State Relay for LED Motor PLC PTZ Can
US$19.99
New Products [more]
N4DOJ24 12V 24CH RS485 Relay Modbus RTU Module 10A NC COM NO Dry Contact Output Interface DIN35 C45 Rail Box UART PC PLC Expansion Board
US$39.99
N4I6N06 12V 6AI-4DI-6DO 4-20MA Analog Digital Mixed Remote IO Module RS485 Modbus RTU Dry Contact Relay Board
US$19.99
DDIS24QC 5V 15W DC 24V 36V 48V to 12V 5V 3.3V DIN Rail Isolated Power Supply Module DC-DC Buck Converter for PLC RS485 IO Relay LED
US$7.99
DDIS24QC 12V 15W DC 24V 36V 48V to 12V 5V 3.3V DIN Rail Isolated Power Supply Module DC-DC Buck Converter for PLC RS485 IO Relay LED
US$7.99
N4DOJ24 24V 24CH RS485 Relay Modbus RTU Module 10A NC COM NO Dry Contact Output Interface DIN35 C45 Rail Box UART PC PLC Expansion Board
US$39.99
N4I6N06 24V 6AI-4DI-6DO 4-20MA Analog Digital Mixed Remote IO Module RS485 Modbus RTU Dry Contact Relay Board
US$19.99
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UART 485/232/TTL
UART 485/232/TTL
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RYR404A with Din Rail Easy Setup 24V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$17.99
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
US$17.99
N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$17.99
N4D8B08 DC 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$17.99
R413E16 + TB440 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$17.99
CAN4A02 CAN to RS485 Transparent Transmission Converter Field Bus Signal to RS232(TTL) Module for CNC Car Automated Industry PLC Relay
US$17.99
DM18B02 2 bit 1.8 inch RS485 Modbus Rtu Digital Tube LCD LED Display Module DC 12V 24V for PLC HMI Temperature Humidity Sensor Digital Analog
US$17.99
NT48B20 20CH RS485 Temperature Collector Inspection Instrument AI Remote IO Module Modbus RTU Paperless Recorder 10K B3950 NTC Sensor
US$17.99
CTR4A01 20A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
US$17.59
CTR4A01 10A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
US$17.59
R2OPB03 RS485 to RS232 Isolator Converter Serial Port Printer Networking Module PC STM32 MCU Development Board Debugger
US$16.99
25IOA08 8DI-8DO NPN to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA DMOS PNP High Level Output for PLC LED Smart Home IOT
US$16.99
25IOA08 8DI 8DO PNP to PNP RS485 Modbus Rtu Remote IO Module DC 12-24V 300MA DMOS PNP High Level Output for PLC LED Smart Home IOT
US$16.99
N4CIF24 12V 24AI Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
US$16.99
N4CIF24 5V 24AI Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
US$16.99
N4AIA08 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO
US$16.99
N4DBA06_R 8CH 0-5V 0-10V 4-20MA Voltage Current Signal Generator Detector RS485 to ADC DAC Converter Modbus RTU IO Module
US$16.99
R4DIK04 12V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
US$16.99
R4DVI04 12V 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
US$16.99
R4DVI04 24V 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
US$16.99
R4DIK04 24V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
US$16.99
RYR404A Easy Setup12V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$16.99
RYR404A Easy Setup 24V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$16.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$16.99
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$16.99
N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$16.99
N4D8B08 DC 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$16.99
ETROB02 12V 2DI 2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
US$16.59
ETROB02 24V 2DI 2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
US$16.59
CTR4A01 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
US$16.50
R221A08 DC 12V 8 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch For PLC Smart Home Garage door Car alarm Farm Motor
US$15.99
CTR4A01 5A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
US$15.99
N4DBA06 8CH 0-5V 0-10V 4-20MA Voltage Current Signal Generator Detector RS485 to ADC DAC Converter Modbus RTU IO Module
US$15.99
RT5BF01 N4RFA04 DC 12V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC
US$15.99
RT24G01 UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module for Smart Meter Scale
US$15.99
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$15.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$15.99
RYN404E 24V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$15.99
RYN404E 12V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$15.99
R4D1C32 DC 6.5-30V 32CH DIN35 C45 Rail Box RS485 Modbus RTU Controller 300MA Driver Module For PLC Relay Switch LED Motor
US$15.99
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