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2% off
4ch DC 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Modbus RTU PLC 4ch DC 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Modbus RTU PLC

4ch DC 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Modbus RTU PLC

$92.37$94.68

26% off
16CH/32CH/48CH DI NPN/PNP 9V 12V 24V Optical Isolation Input RS485 Digital Switch PLC IO Expansion Modbus RTU Module New 16CH/32CH/48CH DI NPN/PNP 9V 12V 24V Optical Isolation Input RS485 Digital Switch PLC IO Expansion Modbus RTU Module New

16CH/32CH/48CH DI NPN/PNP 9V 12V 24V Optical Isolation Input RS485 Digital Switch PLC IO Expansion Modbus RTU Module New

$20.08$27.14

15% off
0.75KW Small Simple Frequency Converter 220V to Three-Phase with RS485 Modbus Protocol Support for Input Power Conversion 0.75KW Small Simple Frequency Converter 220V to Three-Phase with RS485 Modbus Protocol Support for Input Power Conversion

0.75KW Small Simple Frequency Converter 220V to Three-Phase with RS485 Modbus Protocol Support for Input Power Conversion

$19.28$22.68

3 sold
Diesel Parts Fuel Filter HCX0708N For Engine 4DW 485 490 Filter 1117010-B01-0000K Diesel Parts Fuel Filter HCX0708N For Engine 4DW 485 490 Filter 1117010-B01-0000K

Diesel Parts Fuel Filter HCX0708N For Engine 4DW 485 490 Filter 1117010-B01-0000K

$49.44$49.44

2 sold
53% off
7CH 5V 10V Voltage Analog Acquisition RS485 Modbus RTU Module For PLC Oscilloscope ADC 4-20MA Sensor 7CH 5V 10V Voltage Analog Acquisition RS485 Modbus RTU Module For PLC Oscilloscope ADC 4-20MA Sensor

7CH 5V 10V Voltage Analog Acquisition RS485 Modbus RTU Module For PLC Oscilloscope ADC 4-20MA Sensor

$62.51$132.99

1 sold
32% off
2PCS RT18A01 RS485 Transceiver Wireless Repeater 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU 2PCS RT18A01 RS485 Transceiver Wireless Repeater 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU

2PCS RT18A01 RS485 Transceiver Wireless Repeater 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU

$22.38$32.91

1 sold
20% off
4 Channel Modbus RTU RS485 DO Relay Module DC 12V 24V DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board 4 Channel Modbus RTU RS485 DO Relay Module DC 12V 24V DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board

4 Channel Modbus RTU RS485 DO Relay Module DC 12V 24V DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board

$17.60$22.00

53% off
2.4G TTL RS232 RS485 TYPE-C USB UART Transceiver For Arduino For UNO Wifi NodeMCU ESP8266 PC Printer Modbus RTU PLC Relay 2.4G TTL RS232 RS485 TYPE-C USB UART Transceiver For Arduino For UNO Wifi NodeMCU ESP8266 PC Printer Modbus RTU PLC Relay

2.4G TTL RS232 RS485 TYPE-C USB UART Transceiver For Arduino For UNO Wifi NodeMCU ESP8266 PC Printer Modbus RTU PLC Relay

$39.10$83.19

1 sold
19% off
Modbus RTU Four-channel Relay Module AC220V Power Supply Relay Board Support RS485/TTL UART Interface/Power Failure Preservation Modbus RTU Four-channel Relay Module AC220V Power Supply Relay Board Support RS485/TTL UART Interface/Power Failure Preservation

Modbus RTU Four-channel Relay Module AC220V Power Supply Relay Board Support RS485/TTL UART Interface/Power Failure Preservation

$5.31$6.56

56% off
DC 9-24V 4-channel/8-channel Relay Module ESP32 RS485 Modbus WIFI Bluetooth Relay Development Board Switch Power Supply Module DC 9-24V 4-channel/8-channel Relay Module ESP32 RS485 Modbus WIFI Bluetooth Relay Development Board Switch Power Supply Module

DC 9-24V 4-channel/8-channel Relay Module ESP32 RS485 Modbus WIFI Bluetooth Relay Development Board Switch Power Supply Module

$35.72$81.49

79 sold
51% off
Waveshare ESP32-S3 1CH Relay Module with WiFi Bluetooth RS485 Industrial DIN Rail Isolated Protection Modbus IoT Controller Waveshare ESP32-S3 1CH Relay Module with WiFi Bluetooth RS485 Industrial DIN Rail Isolated Protection Modbus IoT Controller

Waveshare ESP32-S3 1CH Relay Module with WiFi Bluetooth RS485 Industrial DIN Rail Isolated Protection Modbus IoT Controller

$178.54$364.37

3 sold
70% off
12Bit ADC Board Modbus RTU PLC 4-20MA To RS485 2 CH DC 12V 0-25MA Analog Acquisition Module 12Bit ADC Board Modbus RTU PLC 4-20MA To RS485 2 CH DC 12V 0-25MA Analog Acquisition Module

12Bit ADC Board Modbus RTU PLC 4-20MA To RS485 2 CH DC 12V 0-25MA Analog Acquisition Module

$34.28$115.16

1 sold
18% off
4Ch 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current Voltage Acquisition Module 4Ch 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current Voltage Acquisition Module

4Ch 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current Voltage Acquisition Module

$18.28$22.29

3% off
RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module for Arduino WEB MQTT Ethernet Network Http RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module for Arduino WEB MQTT Ethernet Network Http

RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module for Arduino WEB MQTT Ethernet Network Http

$19.51$20.17

6 sold
20% off
RS485 Transceiver Wireless Repeater RT18A01 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU 2PCS RS485 Transceiver Wireless Repeater RT18A01 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU 2PCS

RS485 Transceiver Wireless Repeater RT18A01 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU 2PCS

$23.20$29.00

2 sold
20% off
CTR4A01 AC Transformer Ammeter Watt-hour Meter Module DC5-15V 5A/10A/20A AC Analog Current Collector Board RS485 MODBUS RTU CTR4A01 AC Transformer Ammeter Watt-hour Meter Module DC5-15V 5A/10A/20A AC Analog Current Collector Board RS485 MODBUS RTU

CTR4A01 AC Transformer Ammeter Watt-hour Meter Module DC5-15V 5A/10A/20A AC Analog Current Collector Board RS485 MODBUS RTU

$14.56$18.20

2 sold
37% off
Mini 2CH Modbus RTU RS485 A/D Converter for 4-20mA 0-5V 0-10V Input Signal 4-25VDC R4CVA02 R4CVA02 Mini 2CH Modbus RTU RS485 A/D Converter for 4-20mA 0-5V 0-10V Input Signal 4-25VDC R4CVA02 R4CVA02

Mini 2CH Modbus RTU RS485 A/D Converter for 4-20mA 0-5V 0-10V Input Signal 4-25VDC R4CVA02 R4CVA02

$22.97$36.46

15 sold
52% off
DC 5V 12V 24V RS485 RS232 TTL Modbus Rtu NTC Thermistor Temperature Sensor Remote acquisition monitor Module B3950 10K 1% DC 5V 12V 24V RS485 RS232 TTL Modbus Rtu NTC Thermistor Temperature Sensor Remote acquisition monitor Module B3950 10K 1%

DC 5V 12V 24V RS485 RS232 TTL Modbus Rtu NTC Thermistor Temperature Sensor Remote acquisition monitor Module B3950 10K 1%

$29.18$60.80

26% off
DC 12V RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Support 03 06 16 Function Code DC 12V RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Support 03 06 16 Function Code

DC 12V RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Support 03 06 16 Function Code

$9.09$12.29

1 sold
5% off
Industrial USB To RS485 Converter Upgrade Protection Converter CH340 PLC Serial Port IO Module Standard RS-485 Connector Industrial USB To RS485 Converter Upgrade Protection Converter CH340 PLC Serial Port IO Module Standard RS-485 Connector

Industrial USB To RS485 Converter Upgrade Protection Converter CH340 PLC Serial Port IO Module Standard RS-485 Connector

$13.01$13.70

51 sold
25% off
ESP32 Modbus 8-Channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply With WiFi/Bl-uetooth ESP32 Modbus 8-Channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply With WiFi/Bl-uetooth

ESP32 Modbus 8-Channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply With WiFi/Bl-uetooth

$9.97$13.29

1% off
K-Type Thermocouple RS485 Modbus RTU Converter -200 -1350 Celsius High Accuracy Industrial Temperature Module for PLC K-Type Thermocouple RS485 Modbus RTU Converter -200 -1350 Celsius High Accuracy Industrial Temperature Module for PLC

K-Type Thermocouple RS485 Modbus RTU Converter -200 -1350 Celsius High Accuracy Industrial Temperature Module for PLC

$43.28$43.55

18 sold
15% off
Industrial Control Board, Programmable Logic Controller, DC Relay Transistor Module, Modbus-RTU, FX2N-20MR, FX2N-20MT Industrial Control Board, Programmable Logic Controller, DC Relay Transistor Module, Modbus-RTU, FX2N-20MR, FX2N-20MT

Industrial Control Board, Programmable Logic Controller, DC Relay Transistor Module, Modbus-RTU, FX2N-20MR, FX2N-20MT

$16.81$19.78

6 sold
18% off
RS232 485 DB9 DB15 DB25 DB26 Breakout Connector Solderless 9 15 25 26 37 Pin Terminal D-SUB Connectors 3+9 VGA Male Female Plug RS232 485 DB9 DB15 DB25 DB26 Breakout Connector Solderless 9 15 25 26 37 Pin Terminal D-SUB Connectors 3+9 VGA Male Female Plug

RS232 485 DB9 DB15 DB25 DB26 Breakout Connector Solderless 9 15 25 26 37 Pin Terminal D-SUB Connectors 3+9 VGA Male Female Plug

$22.80$27.81

29 sold
26% off
1PC DC7-24V Modbus RTU 1/2/4 Channel Relay Module Supports RS485/TTL UART Communication Interfaces with Relay Switch Light 1PC DC7-24V Modbus RTU 1/2/4 Channel Relay Module Supports RS485/TTL UART Communication Interfaces with Relay Switch Light

1PC DC7-24V Modbus RTU 1/2/4 Channel Relay Module Supports RS485/TTL UART Communication Interfaces with Relay Switch Light

$8.14$11.00

52% off
RS485 Remote IO Module 8 16 24 32 48CH Multifunction PLC DI-DO Expansion Board DIN Rail Box Standard MODBUS RTU Protocol RS485 Remote IO Module 8 16 24 32 48CH Multifunction PLC DI-DO Expansion Board DIN Rail Box Standard MODBUS RTU Protocol

RS485 Remote IO Module 8 16 24 32 48CH Multifunction PLC DI-DO Expansion Board DIN Rail Box Standard MODBUS RTU Protocol

$96.17$202.32

32 sold
19% off
Modbus RTU Relay Module 1 Channel DC7-24V Power Supply RS485 TTL UART Output 485 Communication TTL Pin Modbus-Rtu Anti-reverse Modbus RTU Relay Module 1 Channel DC7-24V Power Supply RS485 TTL UART Output 485 Communication TTL Pin Modbus-Rtu Anti-reverse

Modbus RTU Relay Module 1 Channel DC7-24V Power Supply RS485 TTL UART Output 485 Communication TTL Pin Modbus-Rtu Anti-reverse

$5.52$6.81

51% off
Stlxy Relay Module Switch 1/2/4 Channel Modbus RTU RS485/TTL Communication 7-24V with Anti-reverse Protection for Electronics Stlxy Relay Module Switch 1/2/4 Channel Modbus RTU RS485/TTL Communication 7-24V with Anti-reverse Protection for Electronics

Stlxy Relay Module Switch 1/2/4 Channel Modbus RTU RS485/TTL Communication 7-24V with Anti-reverse Protection for Electronics

$38.92$79.43

7 sold
53% off
DC 5V 12V 24V 8CH RS485 2.54mm Pin Core Board Modbus Rtu Input and Output Control PLC HMI Remote IO Expanding Board R4PIN08 DC 5V 12V 24V 8CH RS485 2.54mm Pin Core Board Modbus Rtu Input and Output Control PLC HMI Remote IO Expanding Board R4PIN08

DC 5V 12V 24V 8CH RS485 2.54mm Pin Core Board Modbus Rtu Input and Output Control PLC HMI Remote IO Expanding Board R4PIN08

$49.81$105.97

16 sold
20% off
Small and Simple Frequency Converter 0.75KW Input 220V to Three-phase Supports RS485 Modbus Protocol Small and Simple Frequency Converter 0.75KW Input 220V to Three-phase Supports RS485 Modbus Protocol

Small and Simple Frequency Converter 0.75KW Input 220V to Three-phase Supports RS485 Modbus Protocol

$18.14$22.68

283 sold
25% off
DC7-48V RS485 CAN Dual Channel Relay Module 2IN 2OUT NO NC Serial Port Control Support Modbus RTU Optocoupler Input DC3.3-24V DC7-48V RS485 CAN Dual Channel Relay Module 2IN 2OUT NO NC Serial Port Control Support Modbus RTU Optocoupler Input DC3.3-24V

DC7-48V RS485 CAN Dual Channel Relay Module 2IN 2OUT NO NC Serial Port Control Support Modbus RTU Optocoupler Input DC3.3-24V

$13.93$18.57

32% off
Modbus RTU Single-channel Network Relay Module Wired Ethernet Local Area Network Control Relay Support Secondary Development Modbus RTU Single-channel Network Relay Module Wired Ethernet Local Area Network Control Relay Support Secondary Development

Modbus RTU Single-channel Network Relay Module Wired Ethernet Local Area Network Control Relay Support Secondary Development

$19.59$28.81

23% off
Small MODBUS RTU Linear Geared Motor Driver N467D01 DC 8-30V 1A 2A Forward Reverse Stop Delay Timer Controller RS485 PLC IO Small MODBUS RTU Linear Geared Motor Driver N467D01 DC 8-30V 1A 2A Forward Reverse Stop Delay Timer Controller RS485 PLC IO

Small MODBUS RTU Linear Geared Motor Driver N467D01 DC 8-30V 1A 2A Forward Reverse Stop Delay Timer Controller RS485 PLC IO

$10.39$13.50

26% off
1PC 4 Channel DC12V24V Modbus RTU RS485 DO Relay Module DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board 1PC 4 Channel DC12V24V Modbus RTU RS485 DO Relay Module DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board

1PC 4 Channel DC12V24V Modbus RTU RS485 DO Relay Module DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board

$17.97$24.29

1% off
8 CH DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch For PLC PTZ Camera 8 CH DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch For PLC PTZ Camera

8 CH DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch For PLC PTZ Camera

$125.55$126.34

36% off
N4VIG08 8CH RS485 Modbus ADC Module for Voltage and Current Signals Conversion, PLC Remote IO DIY N4VIG08 8CH RS485 Modbus ADC Module for Voltage and Current Signals Conversion, PLC Remote IO DIY

N4VIG08 8CH RS485 Modbus ADC Module for Voltage and Current Signals Conversion, PLC Remote IO DIY

$26.57$41.51

1 sold
2% off
4ch DC 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Modbus RTU PLC 4ch DC 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Modbus RTU PLC

4ch DC 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Modbus RTU PLC

$92.37 $94.68

Categories: Home Improvement, Electrical Equipment & Supplies

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26% off
16CH/32CH/48CH DI NPN/PNP 9V 12V 24V Optical Isolation Input RS485 Digital Switch PLC IO Expansion Modbus RTU Module New 16CH/32CH/48CH DI NPN/PNP 9V 12V 24V Optical Isolation Input RS485 Digital Switch PLC IO Expansion Modbus RTU Module New

16CH/32CH/48CH DI NPN/PNP 9V 12V 24V Optical Isolation Input RS485 Digital Switch PLC IO Expansion Modbus RTU Module New

$20.08 $27.14

Categories: Home Improvement, Electrical Equipment & Supplies

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15% off
0.75KW Small Simple Frequency Converter 220V to Three-Phase with RS485 Modbus Protocol Support for Input Power Conversion 0.75KW Small Simple Frequency Converter 220V to Three-Phase with RS485 Modbus Protocol Support for Input Power Conversion

0.75KW Small Simple Frequency Converter 220V to Three-Phase with RS485 Modbus Protocol Support for Input Power Conversion

$19.28 $22.68

3 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
Diesel Parts Fuel Filter HCX0708N For Engine 4DW 485 490 Filter 1117010-B01-0000K Diesel Parts Fuel Filter HCX0708N For Engine 4DW 485 490 Filter 1117010-B01-0000K

Diesel Parts Fuel Filter HCX0708N For Engine 4DW 485 490 Filter 1117010-B01-0000K

$49.44 $49.44

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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53% off
7CH 5V 10V Voltage Analog Acquisition RS485 Modbus RTU Module For PLC Oscilloscope ADC 4-20MA Sensor 7CH 5V 10V Voltage Analog Acquisition RS485 Modbus RTU Module For PLC Oscilloscope ADC 4-20MA Sensor

7CH 5V 10V Voltage Analog Acquisition RS485 Modbus RTU Module For PLC Oscilloscope ADC 4-20MA Sensor

$62.51 $132.99

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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32% off
2PCS RT18A01 RS485 Transceiver Wireless Repeater 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU 2PCS RT18A01 RS485 Transceiver Wireless Repeater 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU

2PCS RT18A01 RS485 Transceiver Wireless Repeater 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU

$22.38 $32.91

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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20% off
4 Channel Modbus RTU RS485 DO Relay Module DC 12V 24V DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board 4 Channel Modbus RTU RS485 DO Relay Module DC 12V 24V DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board

4 Channel Modbus RTU RS485 DO Relay Module DC 12V 24V DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board

$17.60 $22.00

Categories: Home Improvement, Electrical Equipment & Supplies

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53% off
2.4G TTL RS232 RS485 TYPE-C USB UART Transceiver For Arduino For UNO Wifi NodeMCU ESP8266 PC Printer Modbus RTU PLC Relay 2.4G TTL RS232 RS485 TYPE-C USB UART Transceiver For Arduino For UNO Wifi NodeMCU ESP8266 PC Printer Modbus RTU PLC Relay

2.4G TTL RS232 RS485 TYPE-C USB UART Transceiver For Arduino For UNO Wifi NodeMCU ESP8266 PC Printer Modbus RTU PLC Relay

$39.10 $83.19

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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19% off
Modbus RTU Four-channel Relay Module AC220V Power Supply Relay Board Support RS485/TTL UART Interface/Power Failure Preservation Modbus RTU Four-channel Relay Module AC220V Power Supply Relay Board Support RS485/TTL UART Interface/Power Failure Preservation

Modbus RTU Four-channel Relay Module AC220V Power Supply Relay Board Support RS485/TTL UART Interface/Power Failure Preservation

$5.31 $6.56

Categories: Home Improvement, Electrical Equipment & Supplies

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56% off
DC 9-24V 4-channel/8-channel Relay Module ESP32 RS485 Modbus WIFI Bluetooth Relay Development Board Switch Power Supply Module DC 9-24V 4-channel/8-channel Relay Module ESP32 RS485 Modbus WIFI Bluetooth Relay Development Board Switch Power Supply Module

DC 9-24V 4-channel/8-channel Relay Module ESP32 RS485 Modbus WIFI Bluetooth Relay Development Board Switch Power Supply Module

$35.72 $81.49

79 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
Waveshare ESP32-S3 1CH Relay Module with WiFi Bluetooth RS485 Industrial DIN Rail Isolated Protection Modbus IoT Controller Waveshare ESP32-S3 1CH Relay Module with WiFi Bluetooth RS485 Industrial DIN Rail Isolated Protection Modbus IoT Controller

Waveshare ESP32-S3 1CH Relay Module with WiFi Bluetooth RS485 Industrial DIN Rail Isolated Protection Modbus IoT Controller

$178.54 $364.37

3 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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70% off
12Bit ADC Board Modbus RTU PLC 4-20MA To RS485 2 CH DC 12V 0-25MA Analog Acquisition Module 12Bit ADC Board Modbus RTU PLC 4-20MA To RS485 2 CH DC 12V 0-25MA Analog Acquisition Module

12Bit ADC Board Modbus RTU PLC 4-20MA To RS485 2 CH DC 12V 0-25MA Analog Acquisition Module

$34.28 $115.16

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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18% off
4Ch 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current Voltage Acquisition Module 4Ch 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current Voltage Acquisition Module

4Ch 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current Voltage Acquisition Module

$18.28 $22.29

Categories: Home Improvement, Electrical Equipment & Supplies

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3% off
RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module for Arduino WEB MQTT Ethernet Network Http RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module for Arduino WEB MQTT Ethernet Network Http

RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module for Arduino WEB MQTT Ethernet Network Http

$19.51 $20.17

6 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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20% off
RS485 Transceiver Wireless Repeater RT18A01 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU 2PCS RS485 Transceiver Wireless Repeater RT18A01 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU 2PCS

RS485 Transceiver Wireless Repeater RT18A01 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU 2PCS

$23.20 $29.00

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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20% off
CTR4A01 AC Transformer Ammeter Watt-hour Meter Module DC5-15V 5A/10A/20A AC Analog Current Collector Board RS485 MODBUS RTU CTR4A01 AC Transformer Ammeter Watt-hour Meter Module DC5-15V 5A/10A/20A AC Analog Current Collector Board RS485 MODBUS RTU

CTR4A01 AC Transformer Ammeter Watt-hour Meter Module DC5-15V 5A/10A/20A AC Analog Current Collector Board RS485 MODBUS RTU

$14.56 $18.20

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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37% off
Mini 2CH Modbus RTU RS485 A/D Converter for 4-20mA 0-5V 0-10V Input Signal 4-25VDC R4CVA02 R4CVA02 Mini 2CH Modbus RTU RS485 A/D Converter for 4-20mA 0-5V 0-10V Input Signal 4-25VDC R4CVA02 R4CVA02

Mini 2CH Modbus RTU RS485 A/D Converter for 4-20mA 0-5V 0-10V Input Signal 4-25VDC R4CVA02 R4CVA02

$22.97 $36.46

15 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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52% off
DC 5V 12V 24V RS485 RS232 TTL Modbus Rtu NTC Thermistor Temperature Sensor Remote acquisition monitor Module B3950 10K 1% DC 5V 12V 24V RS485 RS232 TTL Modbus Rtu NTC Thermistor Temperature Sensor Remote acquisition monitor Module B3950 10K 1%

DC 5V 12V 24V RS485 RS232 TTL Modbus Rtu NTC Thermistor Temperature Sensor Remote acquisition monitor Module B3950 10K 1%

$29.18 $60.80

Categories: Home Improvement, Electrical Equipment & Supplies

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26% off
DC 12V RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Support 03 06 16 Function Code DC 12V RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Support 03 06 16 Function Code

DC 12V RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Support 03 06 16 Function Code

$9.09 $12.29

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
Industrial USB To RS485 Converter Upgrade Protection Converter CH340 PLC Serial Port IO Module Standard RS-485 Connector Industrial USB To RS485 Converter Upgrade Protection Converter CH340 PLC Serial Port IO Module Standard RS-485 Connector

Industrial USB To RS485 Converter Upgrade Protection Converter CH340 PLC Serial Port IO Module Standard RS-485 Connector

$13.01 $13.70

51 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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25% off
ESP32 Modbus 8-Channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply With WiFi/Bl-uetooth ESP32 Modbus 8-Channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply With WiFi/Bl-uetooth

ESP32 Modbus 8-Channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply With WiFi/Bl-uetooth

$9.97 $13.29

Categories: Home Improvement, Electrical Equipment & Supplies

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1% off
K-Type Thermocouple RS485 Modbus RTU Converter -200 -1350 Celsius High Accuracy Industrial Temperature Module for PLC K-Type Thermocouple RS485 Modbus RTU Converter -200 -1350 Celsius High Accuracy Industrial Temperature Module for PLC

K-Type Thermocouple RS485 Modbus RTU Converter -200 -1350 Celsius High Accuracy Industrial Temperature Module for PLC

$43.28 $43.55

18 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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15% off
Industrial Control Board, Programmable Logic Controller, DC Relay Transistor Module, Modbus-RTU, FX2N-20MR, FX2N-20MT Industrial Control Board, Programmable Logic Controller, DC Relay Transistor Module, Modbus-RTU, FX2N-20MR, FX2N-20MT

Industrial Control Board, Programmable Logic Controller, DC Relay Transistor Module, Modbus-RTU, FX2N-20MR, FX2N-20MT

$16.81 $19.78

6 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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18% off
RS232 485 DB9 DB15 DB25 DB26 Breakout Connector Solderless 9 15 25 26 37 Pin Terminal D-SUB Connectors 3+9 VGA Male Female Plug RS232 485 DB9 DB15 DB25 DB26 Breakout Connector Solderless 9 15 25 26 37 Pin Terminal D-SUB Connectors 3+9 VGA Male Female Plug

RS232 485 DB9 DB15 DB25 DB26 Breakout Connector Solderless 9 15 25 26 37 Pin Terminal D-SUB Connectors 3+9 VGA Male Female Plug

$22.80 $27.81

29 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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26% off
1PC DC7-24V Modbus RTU 1/2/4 Channel Relay Module Supports RS485/TTL UART Communication Interfaces with Relay Switch Light 1PC DC7-24V Modbus RTU 1/2/4 Channel Relay Module Supports RS485/TTL UART Communication Interfaces with Relay Switch Light

1PC DC7-24V Modbus RTU 1/2/4 Channel Relay Module Supports RS485/TTL UART Communication Interfaces with Relay Switch Light

$8.14 $11.00

Categories: Home Improvement, Electrical Equipment & Supplies

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52% off
RS485 Remote IO Module 8 16 24 32 48CH Multifunction PLC DI-DO Expansion Board DIN Rail Box Standard MODBUS RTU Protocol RS485 Remote IO Module 8 16 24 32 48CH Multifunction PLC DI-DO Expansion Board DIN Rail Box Standard MODBUS RTU Protocol

RS485 Remote IO Module 8 16 24 32 48CH Multifunction PLC DI-DO Expansion Board DIN Rail Box Standard MODBUS RTU Protocol

$96.17 $202.32

32 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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19% off
Modbus RTU Relay Module 1 Channel DC7-24V Power Supply RS485 TTL UART Output 485 Communication TTL Pin Modbus-Rtu Anti-reverse Modbus RTU Relay Module 1 Channel DC7-24V Power Supply RS485 TTL UART Output 485 Communication TTL Pin Modbus-Rtu Anti-reverse

Modbus RTU Relay Module 1 Channel DC7-24V Power Supply RS485 TTL UART Output 485 Communication TTL Pin Modbus-Rtu Anti-reverse

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Small and Simple Frequency Converter 0.75KW Input 220V to Three-phase Supports RS485 Modbus Protocol Small and Simple Frequency Converter 0.75KW Input 220V to Three-phase Supports RS485 Modbus Protocol

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DC7-48V RS485 CAN Dual Channel Relay Module 2IN 2OUT NO NC Serial Port Control Support Modbus RTU Optocoupler Input DC3.3-24V DC7-48V RS485 CAN Dual Channel Relay Module 2IN 2OUT NO NC Serial Port Control Support Modbus RTU Optocoupler Input DC3.3-24V

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Small MODBUS RTU Linear Geared Motor Driver N467D01 DC 8-30V 1A 2A Forward Reverse Stop Delay Timer Controller RS485 PLC IO Small MODBUS RTU Linear Geared Motor Driver N467D01 DC 8-30V 1A 2A Forward Reverse Stop Delay Timer Controller RS485 PLC IO

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1PC 4 Channel DC12V24V Modbus RTU RS485 DO Relay Module DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board 1PC 4 Channel DC12V24V Modbus RTU RS485 DO Relay Module DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board

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