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TB445 PT100 Thermal Resistance Collector
$3.99
PT22B01 DC 12V -40~220 Celsius 1CH Celsius PT100 RTD Thermocouple Celsius Fahrenheit Wide RS485 Temperature Measurement Modbus RTU Board Sensor Module
$3.99
TB445_B PT100 Thermal Resistance Collector
$3.99
N46IB02 4-20MA To RS485 2 CH DC 12V 0-25MA Analog Acquisition Module 12Bit ADC Board Modbus RTU PLC
$3.99
PTA9B01 -20-400 Celsius PT100 Thermocouple Temperature Detector RTD Sensor Tester Converter RS485 Modbus RTU
$5.99
RT38B01 433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus
$14.99
New Products [more]
IO56D02 DC 24V Multifunction Forward Reverse Limit Start Stop Pusher Motor Controller Board
$4.99
IO33H01 AC 110V 220V Power-ON Delay Relay Switch Module 7A Voltage Output Max 180Min Timer Adjustable Disconnect Delay Controller
$4.99
PW1VA01 DAC Module PWM To 0-5V Frequency To Voltage Converter For Smart Home
$4.14
IO33H01 AC 110V 220V Power-ON Delay Relay Switch Module 7A Voltage Output Max 180Min Timer Adjustable Disconnect Delay Controller
$3.99
PW1VA01 DAC Module PWM To 0-5V Frequency To Voltage Converter For Smart Home
$4.14
PW1VA01 DAC Module PWM To 0-10V Frequency To Voltage Converter For Smart Home
$4.14
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UART 485/232/TTL
RS485 Modues & relays
RS485 Modues & relays
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N4VIH16 5V 16AI 0-5V 0-10V Current/Voltage Analog Acquisition RS485 Modbus RTU ADC Module DC 5V 12V 24V mini PinBoard
$9.99
N4VIH16 5V 16AI 0-5V 0-10V Current/Voltage Analog Acquisition RS485 Modbus RTU ADC Module DC 5V 12V 24V mini PinBoard
$9.99
N4VIH16 12V 16AI 0-5V 0-10V Current/Voltage Analog Acquisition RS485 Modbus RTU ADC Module DC 5V 12V 24V mini PinBoard
$9.99
N4VIH16 12V 16AI 0-5V 0-10V Current/Voltage Analog Acquisition RS485 Modbus RTU ADC Module DC 5V 12V 24V mini PinBoard
$9.99
N4VIG08 DC 5V 8AI 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
$6.21
N4VIG08 DC 12V 8AI 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
$6.21
N4VIG08 DC5V 8AI 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
$6.21
N4VIG08 DC 12V 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
$6.21
R4D3C32 12V C45 Rail Box DC 32ch DIN35 RS485 Modbus RTU Relay Board 485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart
$76.94
R4D3C32 24V C45 Rail Box DC 32ch DIN35 RS485 Modbus RTU Relay Board 485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart
$80.40
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
$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
$19.99
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
$6.59
TB440 for R413E16 16ch Relay Board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
$13.99
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
$6.99
UD74B08 DC 12V 8ch IO Digital Collector USB COM Serial Port UART Relay Module
$19.99
UD74B08 DC 24V 8ch IO Digital Collector USB COM Serial Port UART Relay Module
$19.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
$13.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
$10.35
N4ROA01 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$5.99
N4ROB02 DC 12V 2CH Micro Size 3A RS485 Relay Board PC UART Serial Port Switch DC 12V 24V Dual_Channel Digital Output Module
$6.99
N4ROB02 DC 24V 2CH Micro Size 3A RS485 Relay Board PC UART Serial Port Switch DC 12V 24V Dual_Channel Digital Output Module
$6.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$15.99
N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$9.99
N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$10.69
N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$10.69
N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$9.99
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$16.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$16.99
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$15.99
N4ROA01 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$5.99
N4ROE16 Mini DC 12V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$27.99
N4ROE16 Mini DC 24V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$25.99
N4ROE16 Mini DC 12V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$25.99
N4ROE16 Mini DC 24V 16CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
$27.99
CE040 DC 12V 4 CH RS485 Relay Module Modbus RTU And AT Command Remote Control Switch for PLC PTZ Camera Security Monitoring
$13.99
N4DAC02 2CH DC 12V 0-5V 0-10V Voltage Signal Generator DAC Converter Module RS485 Modbus RTU For PLC Measuring Instruments
$4.99
N4D8C1224V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
$42.44
N4D8C12 24V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
$35.54
N4D8C12 12V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
$35.54
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