• VKDN ( Virtual Kingdom Delivery Network ) -> Vast Kingdoms, Diverse Nations: Unlocking Global Commerce

Modules Rtu

Filter by price

Sort By

Product tags

Results for Modules Rtu

Discover Modules Rtu product treasures from around the world with our guide to cross-border e-commerce. VKDN curates the latest and high-quality recommendations for your global shopping experience in Modules Rtu products.

Showing 1–36 of 2558 results

Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

$7.01$7.01

42 sold
2% off
16DI-16DO DC 24V 12V RS485 IO Port Efficient Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board 16DI-16DO DC 24V 12V RS485 IO Port Efficient Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board

16DI-16DO DC 24V 12V RS485 IO Port Efficient Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board

$121.04$124.70

4% off
16/32/48CH NPN/PNP Optically Isolated Input Switching Digital Collector Board RS485 Modbus RTU Module DC 12V 24V 16/32/48CH NPN/PNP Optically Isolated Input Switching Digital Collector Board RS485 Modbus RTU Module DC 12V 24V

16/32/48CH NPN/PNP Optically Isolated Input Switching Digital Collector Board RS485 Modbus RTU Module DC 12V 24V

$18.18$19.00

35 sold
2% off
Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input and Output with Anti Reverse Protection Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input and Output with Anti Reverse Protection

Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input and Output with Anti Reverse Protection

$7.52$7.73

5% off
Brand-new Module GL20-RTU-PN Fast Shipping Brand-new Module GL20-RTU-PN Fast Shipping

Brand-new Module GL20-RTU-PN Fast Shipping

$3914.00$4120.00

RTU-328A 16-way relay output module Modbus RTU unit 220V 5A contact capacity equipment RS485 RTU-328A 16-way relay output module Modbus RTU unit 220V 5A contact capacity equipment RS485

RTU-328A 16-way relay output module Modbus RTU unit 220V 5A contact capacity equipment RS485

$53.49$53.49

30% off
DC 12V 24V 12DI 12DO RS485 IO Board Modbus RTU Relay Optically Isolated NPN Input & 12 Relay Output Modbus RTU Relay Module DC 12V 24V 12DI 12DO RS485 IO Board Modbus RTU Relay Optically Isolated NPN Input & 12 Relay Output Modbus RTU Relay Module

DC 12V 24V 12DI 12DO RS485 IO Board Modbus RTU Relay Optically Isolated NPN Input & 12 Relay Output Modbus RTU Relay Module

$219.97$314.25

Modbus IO8R-A RTU 8 Way Relay Module 6AI 1AO Analog Input Output 485 Communication Board 8DI/8DO Digital Modbus IO8R-A RTU 8 Way Relay Module 6AI 1AO Analog Input Output 485 Communication Board 8DI/8DO Digital

Modbus IO8R-A RTU 8 Way Relay Module 6AI 1AO Analog Input Output 485 Communication Board 8DI/8DO Digital

$376.98$376.98

33% off
16CH Micro Size RS485 Relay Modbus Rtu PLC IO Expansion 3A Digital Output Board Switch Intermediate Relay Module DC 12V-24V 16CH Micro Size RS485 Relay Modbus Rtu PLC IO Expansion 3A Digital Output Board Switch Intermediate Relay Module DC 12V-24V

16CH Micro Size RS485 Relay Modbus Rtu PLC IO Expansion 3A Digital Output Board Switch Intermediate Relay Module DC 12V-24V

$21.98$32.80

25% off
8Ch Input/Output Digital Switch TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu Board for PLC Relay, (No Pin) 8Ch Input/Output Digital Switch TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu Board for PLC Relay, (No Pin)

8Ch Input/Output Digital Switch TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu Board for PLC Relay, (No Pin)

$4.33$5.77

4% off
4AI-4DI-4DO 4-20MA 0-5V 0-10V Analog Digital Mixed IO Module Modbus RTU RS485 Relay Board Current Voltage ADC 4AI-4DI-4DO 4-20MA 0-5V 0-10V Analog Digital Mixed IO Module Modbus RTU RS485 Relay Board Current Voltage ADC

4AI-4DI-4DO 4-20MA 0-5V 0-10V Analog Digital Mixed IO Module Modbus RTU RS485 Relay Board Current Voltage ADC

$12.67$13.26

35 sold
7% off
DC 12V 16 Channel RS485 Relay Module Modbus RTU Protocol Remote Control PLC Expansion Board Circuit Board with DIN Rail Box DC 12V 16 Channel RS485 Relay Module Modbus RTU Protocol Remote Control PLC Expansion Board Circuit Board with DIN Rail Box

DC 12V 16 Channel RS485 Relay Module Modbus RTU Protocol Remote Control PLC Expansion Board Circuit Board with DIN Rail Box

$23.53$25.40

19 sold
New Inovance plc module GL10-RTU-ECTA-SJ New Inovance plc module GL10-RTU-ECTA-SJ

New Inovance plc module GL10-RTU-ECTA-SJ

$800.00$800.00

4% off
DC 12V 24V Din Rail DIP Switch RS485 Wireless Transceiver 20DBM -121dBm UART Transmitter and Receiver Modbus RTU Module DC 12V 24V Din Rail DIP Switch RS485 Wireless Transceiver 20DBM -121dBm UART Transmitter and Receiver Modbus RTU Module

DC 12V 24V Din Rail DIP Switch RS485 Wireless Transceiver 20DBM -121dBm UART Transmitter and Receiver Modbus RTU Module

$68.35$71.27

29 sold
42% off
Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse

Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse

$2.60$4.48

38 sold
34% off
16DI-16DO DC 12V 24V RS485 IO Port Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board 16DI-16DO DC 12V 24V RS485 IO Port Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board

16DI-16DO DC 12V 24V RS485 IO Port Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board

$108.23$163.98

8% off
2-way K-type thermocouple temperature acquisition module STERJ thermocouple to MODBUS-RTU transmitter RS39

2-way K-type thermocouple temperature acquisition module STERJ thermocouple to MODBUS-RTU transmitter RS39

$23.90$25.98

5% off
DC 24V 1-12 Channel DI-DO PLC IO Expanding Module Modbus RTU RS485 Relay Switch Board for Smart Home Motor PTZ Security Monitor DC 24V 1-12 Channel DI-DO PLC IO Expanding Module Modbus RTU RS485 Relay Switch Board for Smart Home Motor PTZ Security Monitor

DC 24V 1-12 Channel DI-DO PLC IO Expanding Module Modbus RTU RS485 Relay Switch Board for Smart Home Motor PTZ Security Monitor

$45.81$48.59

33 sold
20% off
Modbus-Rtu 4 Channel 12V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input RS485 TTL Communication Modbus-Rtu 4 Channel 12V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input RS485 TTL Communication

Modbus-Rtu 4 Channel 12V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input RS485 TTL Communication

$4.34$5.42

New PLC module GL20-RTU-PN New PLC module GL20-RTU-PN

New PLC module GL20-RTU-PN

$3130.00$3130.00

20% off
Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU

Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU

$3.06$3.83

5 sold
2% off
4 way RS232/485/ serial port control relay module board MODBUS RTU/ computer control switch

4 way RS232/485/ serial port control relay module board MODBUS RTU/ computer control switch

$19.58$19.98

5% off
20DO 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current and voltage acquisition 20DO 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current and voltage acquisition

20DO 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current and voltage acquisition

$235.01$248.66

27 sold
4% off
8-48CH RS485 NPN PNP Input Output Port Remote Control Switch PLC IO expansion Board DIN35 Modbus RTU Module DC 12V 24V 8-48CH RS485 NPN PNP Input Output Port Remote Control Switch PLC IO expansion Board DIN35 Modbus RTU Module DC 12V 24V

8-48CH RS485 NPN PNP Input Output Port Remote Control Switch PLC IO expansion Board DIN35 Modbus RTU Module DC 12V 24V

$12.21$12.85

46 sold
2% off
7-24V Modbus-Rtu 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection 7-24V Modbus-Rtu 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection

7-24V Modbus-Rtu 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection

$4.59$4.72

109 sold
32% off
DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module

DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module

$13.74$20.21

2% off
NLK-IO-1616 RS485 relay IO expansion Modbus RTU relay module serial port expansion NLK-IO-1616 RS485 relay IO expansion Modbus RTU relay module serial port expansion

NLK-IO-1616 RS485 relay IO expansion Modbus RTU relay module serial port expansion

$60.58$61.82

61% off
Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module

Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module

$5.63$14.44

308M 24-way normally open relay control module RS485 interface Modbus RTU protocol IO module 5A250V 308M 24-way normally open relay control module RS485 interface Modbus RTU protocol IO module 5A250V

308M 24-way normally open relay control module RS485 interface Modbus RTU protocol IO module 5A250V

$83.22$83.22

52% off
2 PCS DC12V-24V 8CH NPN/PNP Input& 8CH NPN 300MA Solid State Relay Output Modbus Rtu RS485 IO Module 2 PCS DC12V-24V 8CH NPN/PNP Input& 8CH NPN 300MA Solid State Relay Output Modbus Rtu RS485 IO Module

2 PCS DC12V-24V 8CH NPN/PNP Input& 8CH NPN 300MA Solid State Relay Output Modbus Rtu RS485 IO Module

$21.57$44.94

1 sold
2% off
4-20ma to RS485 4-channel analog input acquisition module 0-10V high-precision MODBUS-RTU 4-20ma to RS485 4-channel analog input acquisition module 0-10V high-precision MODBUS-RTU

4-20ma to RS485 4-channel analog input acquisition module 0-10V high-precision MODBUS-RTU

$34.01$34.70

7-24V Modules-Rtu 1/2/4/8 Channel Relay Module Switch Modules RTU RS485/TTL Communication Input Output W/ Anti-Reverse Protectio 7-24V Modules-Rtu 1/2/4/8 Channel Relay Module Switch Modules RTU RS485/TTL Communication Input Output W/ Anti-Reverse Protectio

7-24V Modules-Rtu 1/2/4/8 Channel Relay Module Switch Modules RTU RS485/TTL Communication Input Output W/ Anti-Reverse Protectio

$21.23$21.23

33% off
1PCS / 2PCS 16CH DC 12V 24V Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO Expansion Board 1PCS / 2PCS 16CH DC 12V 24V Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO Expansion Board

1PCS / 2PCS 16CH DC 12V 24V Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO Expansion Board

$21.98$32.80

25% off
ModBus-RTU Analog Quantity Acquisition Module To 485 2-Way 4-Way 4-20mA 5V 10V RS485 Transmitter ModBus TB6560 Wide Voltage Hig ModBus-RTU Analog Quantity Acquisition Module To 485 2-Way 4-Way 4-20mA 5V 10V RS485 Transmitter ModBus TB6560 Wide Voltage Hig

ModBus-RTU Analog Quantity Acquisition Module To 485 2-Way 4-Way 4-20mA 5V 10V RS485 Transmitter ModBus TB6560 Wide Voltage Hig

$2.96$3.95

29 sold
4% off
1 PCS 4ch DC 12V 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector 1 PCS 4ch DC 12V 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector

1 PCS 4ch DC 12V 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector

$20.56$21.59

6% off
DC 12V 24V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial port DIN35 Rail Board for PLC LED Home automation door lock DC 12V 24V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial port DIN35 Rail Board for PLC LED Home automation door lock

DC 12V 24V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial port DIN35 Rail Board for PLC LED Home automation door lock

$50.72$54.04

20 sold
Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

$7.01 $7.01

42 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
2% off
16DI-16DO DC 24V 12V RS485 IO Port Efficient Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board 16DI-16DO DC 24V 12V RS485 IO Port Efficient Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board

16DI-16DO DC 24V 12V RS485 IO Port Efficient Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board

$121.04 $124.70

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
4% off
16/32/48CH NPN/PNP Optically Isolated Input Switching Digital Collector Board RS485 Modbus RTU Module DC 12V 24V 16/32/48CH NPN/PNP Optically Isolated Input Switching Digital Collector Board RS485 Modbus RTU Module DC 12V 24V

16/32/48CH NPN/PNP Optically Isolated Input Switching Digital Collector Board RS485 Modbus RTU Module DC 12V 24V

$18.18 $19.00

35 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
2% off
Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input and Output with Anti Reverse Protection Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input and Output with Anti Reverse Protection

Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input and Output with Anti Reverse Protection

$7.52 $7.73

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
5% off
Brand-new Module GL20-RTU-PN Fast Shipping Brand-new Module GL20-RTU-PN Fast Shipping

Brand-new Module GL20-RTU-PN Fast Shipping

$3914.00 $4120.00

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
RTU-328A 16-way relay output module Modbus RTU unit 220V 5A contact capacity equipment RS485 RTU-328A 16-way relay output module Modbus RTU unit 220V 5A contact capacity equipment RS485

RTU-328A 16-way relay output module Modbus RTU unit 220V 5A contact capacity equipment RS485

$53.49 $53.49

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
30% off
DC 12V 24V 12DI 12DO RS485 IO Board Modbus RTU Relay Optically Isolated NPN Input & 12 Relay Output Modbus RTU Relay Module DC 12V 24V 12DI 12DO RS485 IO Board Modbus RTU Relay Optically Isolated NPN Input & 12 Relay Output Modbus RTU Relay Module

DC 12V 24V 12DI 12DO RS485 IO Board Modbus RTU Relay Optically Isolated NPN Input & 12 Relay Output Modbus RTU Relay Module

$219.97 $314.25

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
Modbus IO8R-A RTU 8 Way Relay Module 6AI 1AO Analog Input Output 485 Communication Board 8DI/8DO Digital Modbus IO8R-A RTU 8 Way Relay Module 6AI 1AO Analog Input Output 485 Communication Board 8DI/8DO Digital

Modbus IO8R-A RTU 8 Way Relay Module 6AI 1AO Analog Input Output 485 Communication Board 8DI/8DO Digital

$376.98 $376.98

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
33% off
16CH Micro Size RS485 Relay Modbus Rtu PLC IO Expansion 3A Digital Output Board Switch Intermediate Relay Module DC 12V-24V 16CH Micro Size RS485 Relay Modbus Rtu PLC IO Expansion 3A Digital Output Board Switch Intermediate Relay Module DC 12V-24V

16CH Micro Size RS485 Relay Modbus Rtu PLC IO Expansion 3A Digital Output Board Switch Intermediate Relay Module DC 12V-24V

$21.98 $32.80

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
25% off
8Ch Input/Output Digital Switch TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu Board for PLC Relay, (No Pin) 8Ch Input/Output Digital Switch TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu Board for PLC Relay, (No Pin)

8Ch Input/Output Digital Switch TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu Board for PLC Relay, (No Pin)

$4.33 $5.77

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
4% off
4AI-4DI-4DO 4-20MA 0-5V 0-10V Analog Digital Mixed IO Module Modbus RTU RS485 Relay Board Current Voltage ADC 4AI-4DI-4DO 4-20MA 0-5V 0-10V Analog Digital Mixed IO Module Modbus RTU RS485 Relay Board Current Voltage ADC

4AI-4DI-4DO 4-20MA 0-5V 0-10V Analog Digital Mixed IO Module Modbus RTU RS485 Relay Board Current Voltage ADC

$12.67 $13.26

35 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
7% off
DC 12V 16 Channel RS485 Relay Module Modbus RTU Protocol Remote Control PLC Expansion Board Circuit Board with DIN Rail Box DC 12V 16 Channel RS485 Relay Module Modbus RTU Protocol Remote Control PLC Expansion Board Circuit Board with DIN Rail Box

DC 12V 16 Channel RS485 Relay Module Modbus RTU Protocol Remote Control PLC Expansion Board Circuit Board with DIN Rail Box

$23.53 $25.40

19 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
New Inovance plc module GL10-RTU-ECTA-SJ New Inovance plc module GL10-RTU-ECTA-SJ

New Inovance plc module GL10-RTU-ECTA-SJ

$800.00 $800.00

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
4% off
DC 12V 24V Din Rail DIP Switch RS485 Wireless Transceiver 20DBM -121dBm UART Transmitter and Receiver Modbus RTU Module DC 12V 24V Din Rail DIP Switch RS485 Wireless Transceiver 20DBM -121dBm UART Transmitter and Receiver Modbus RTU Module

DC 12V 24V Din Rail DIP Switch RS485 Wireless Transceiver 20DBM -121dBm UART Transmitter and Receiver Modbus RTU Module

$68.35 $71.27

29 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
42% off
Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse

Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse

$2.60 $4.48

38 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
34% off
16DI-16DO DC 12V 24V RS485 IO Port Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board 16DI-16DO DC 12V 24V RS485 IO Port Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board

16DI-16DO DC 12V 24V RS485 IO Port Remote Control Module Modbus RTU Switch Value Remote Transmission N4D3E16 Board

$108.23 $163.98

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
8% off
2-way K-type thermocouple temperature acquisition module STERJ thermocouple to MODBUS-RTU transmitter RS39

2-way K-type thermocouple temperature acquisition module STERJ thermocouple to MODBUS-RTU transmitter RS39

$23.90 $25.98

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
5% off
DC 24V 1-12 Channel DI-DO PLC IO Expanding Module Modbus RTU RS485 Relay Switch Board for Smart Home Motor PTZ Security Monitor DC 24V 1-12 Channel DI-DO PLC IO Expanding Module Modbus RTU RS485 Relay Switch Board for Smart Home Motor PTZ Security Monitor

DC 24V 1-12 Channel DI-DO PLC IO Expanding Module Modbus RTU RS485 Relay Switch Board for Smart Home Motor PTZ Security Monitor

$45.81 $48.59

33 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
20% off
Modbus-Rtu 4 Channel 12V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input RS485 TTL Communication Modbus-Rtu 4 Channel 12V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input RS485 TTL Communication

Modbus-Rtu 4 Channel 12V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input RS485 TTL Communication

$4.34 $5.42

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
New PLC module GL20-RTU-PN New PLC module GL20-RTU-PN

New PLC module GL20-RTU-PN

$3130.00 $3130.00

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
20% off
Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU

Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU

$3.06 $3.83

5 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
2% off
4 way RS232/485/ serial port control relay module board MODBUS RTU/ computer control switch

4 way RS232/485/ serial port control relay module board MODBUS RTU/ computer control switch

$19.58 $19.98

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
5% off
20DO 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current and voltage acquisition 20DO 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current and voltage acquisition

20DO 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current and voltage acquisition

$235.01 $248.66

27 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
4% off
8-48CH RS485 NPN PNP Input Output Port Remote Control Switch PLC IO expansion Board DIN35 Modbus RTU Module DC 12V 24V 8-48CH RS485 NPN PNP Input Output Port Remote Control Switch PLC IO expansion Board DIN35 Modbus RTU Module DC 12V 24V

8-48CH RS485 NPN PNP Input Output Port Remote Control Switch PLC IO expansion Board DIN35 Modbus RTU Module DC 12V 24V

$12.21 $12.85

46 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
2% off
7-24V Modbus-Rtu 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection 7-24V Modbus-Rtu 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection

7-24V Modbus-Rtu 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection

$4.59 $4.72

109 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
32% off
DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module

DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module

$13.74 $20.21

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
2% off
NLK-IO-1616 RS485 relay IO expansion Modbus RTU relay module serial port expansion NLK-IO-1616 RS485 relay IO expansion Modbus RTU relay module serial port expansion

NLK-IO-1616 RS485 relay IO expansion Modbus RTU relay module serial port expansion

$60.58 $61.82

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
61% off
Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module

Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module

$5.63 $14.44

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
308M 24-way normally open relay control module RS485 interface Modbus RTU protocol IO module 5A250V 308M 24-way normally open relay control module RS485 interface Modbus RTU protocol IO module 5A250V

308M 24-way normally open relay control module RS485 interface Modbus RTU protocol IO module 5A250V

$83.22 $83.22

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
52% off
2 PCS DC12V-24V 8CH NPN/PNP Input& 8CH NPN 300MA Solid State Relay Output Modbus Rtu RS485 IO Module 2 PCS DC12V-24V 8CH NPN/PNP Input& 8CH NPN 300MA Solid State Relay Output Modbus Rtu RS485 IO Module

2 PCS DC12V-24V 8CH NPN/PNP Input& 8CH NPN 300MA Solid State Relay Output Modbus Rtu RS485 IO Module

$21.57 $44.94

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
2% off
4-20ma to RS485 4-channel analog input acquisition module 0-10V high-precision MODBUS-RTU 4-20ma to RS485 4-channel analog input acquisition module 0-10V high-precision MODBUS-RTU

4-20ma to RS485 4-channel analog input acquisition module 0-10V high-precision MODBUS-RTU

$34.01 $34.70

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
7-24V Modules-Rtu 1/2/4/8 Channel Relay Module Switch Modules RTU RS485/TTL Communication Input Output W/ Anti-Reverse Protectio 7-24V Modules-Rtu 1/2/4/8 Channel Relay Module Switch Modules RTU RS485/TTL Communication Input Output W/ Anti-Reverse Protectio

7-24V Modules-Rtu 1/2/4/8 Channel Relay Module Switch Modules RTU RS485/TTL Communication Input Output W/ Anti-Reverse Protectio

$21.23 $21.23

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
33% off
1PCS / 2PCS 16CH DC 12V 24V Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO Expansion Board 1PCS / 2PCS 16CH DC 12V 24V Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO Expansion Board

1PCS / 2PCS 16CH DC 12V 24V Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO Expansion Board

$21.98 $32.80

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
25% off
ModBus-RTU Analog Quantity Acquisition Module To 485 2-Way 4-Way 4-20mA 5V 10V RS485 Transmitter ModBus TB6560 Wide Voltage Hig ModBus-RTU Analog Quantity Acquisition Module To 485 2-Way 4-Way 4-20mA 5V 10V RS485 Transmitter ModBus TB6560 Wide Voltage Hig

ModBus-RTU Analog Quantity Acquisition Module To 485 2-Way 4-Way 4-20mA 5V 10V RS485 Transmitter ModBus TB6560 Wide Voltage Hig

$2.96 $3.95

29 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
4% off
1 PCS 4ch DC 12V 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector 1 PCS 4ch DC 12V 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector

1 PCS 4ch DC 12V 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector

$20.56 $21.59

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
6% off
DC 12V 24V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial port DIN35 Rail Board for PLC LED Home automation door lock DC 12V 24V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial port DIN35 Rail Board for PLC LED Home automation door lock

DC 12V 24V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial port DIN35 Rail Board for PLC LED Home automation door lock

$50.72 $54.04

20 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now