Shop Modbus RTU RS485 Relay Module

Sponsored
About our ads
$21.07
2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
Amazon.com
Free shipping
$21.07
2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
Amazon.com
Free shipping
$29.98
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
3
$29.98
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
3
$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
Free shipping
$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
Free shipping
$34.55
Waveshare Industrial Modbus RTU 8-Ch Relay Module With RS485 Bus, Multi Isolation Protection, 5V Voltage
Amazon.com
Free shipping
$34.55
Waveshare Industrial Modbus RTU 8-Ch Relay Module With RS485 Bus, Multi Isolation Protection, 5V Voltage
Amazon.com
Free shipping
$14.50
1PCS Modbus-Rtu 1 Channel 12V Relay Module Switch Input/Output RS485/TTL Communication New 2025 High For Reliable Electronic Component, Precision,
Amazon.com
$14.50
1PCS Modbus-Rtu 1 Channel 12V Relay Module Switch Input/Output RS485/TTL Communication New 2025 High For Reliable Electronic Component, Precision,
Amazon.com
$9.93
JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
Amazon.com
$9.93
JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
Amazon.com
$43.19
TUOPUONE Industrial Modbus RTU 8-Ch Relay Module (D) With Digital Input And RS485 Interface Multi Isolation Protection Circuits 736V Power Supplysafe
Amazon.com
Free shipping
$43.19
TUOPUONE Industrial Modbus RTU 8-Ch Relay Module (D) With Digital Input And RS485 Interface Multi Isolation Protection Circuits 736V Power Supplysafe
Amazon.com
Free shipping
$46.99
Waveshare Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
4
$46.99
Waveshare Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
4
$19.79
Balepha RT5BF01 DC 12V 24V Din Rail DIP Switch RS485 Wireless Data Transceiver 20DBM-121Dbm UART Transmitter And Receiver Modbus RTU Module,Bus Relay
Amazon.com
$19.79
Balepha RT5BF01 DC 12V 24V Din Rail DIP Switch RS485 Wireless Data Transceiver 20DBM-121Dbm UART Transmitter And Receiver Modbus RTU Module,Bus Relay
Amazon.com
$130.00
Two Channel Relay Output Module Modbus RS485 Output
IOThrifty
$130.00
Two Channel Relay Output Module Modbus RS485 Output
IOThrifty
$31.98
$62.11
16 Channel Modbus RTU PLC Controller Serial Port Switch RS485 Relay Module Switch Module For PLC PTZ
Aliexpress
Free shipping
48% off
$31.98
$62.11
16 Channel Modbus RTU PLC Controller Serial Port Switch RS485 Relay Module Switch Module For PLC PTZ
Aliexpress
Free shipping
$51.70
$73.86
2 IN1 DC 12V/24V 12 Channel DIO Ethernet/RS485 Relay Switch Module Modbus RTU TCP/IP Network
Aliexpress
Free shipping
30% off
$51.70
$73.86
2 IN1 DC 12V/24V 12 Channel DIO Ethernet/RS485 Relay Switch Module Modbus RTU TCP/IP Network
Aliexpress
Free shipping
$49.07
$74.73
24CH RS485 Relay Modbus RTU Module 10A NC COM NO Dry Contact Output Interface DIN35 C45 Rail Box
Aliexpress
Free shipping
34% off
$49.07
$74.73
24CH RS485 Relay Modbus RTU Module 10A NC COM NO Dry Contact Output Interface DIN35 C45 Rail Box
Aliexpress
Free shipping
$38.99
DC 12V 16 Channel PLC Expansion Boarddin35 C45 DIN Rail RS485 Relay Modbus RTU Protocol Remote Control PLC Expansion Board For PTZ Camera Motor Led (
Amazon.com
$38.99
DC 12V 16 Channel PLC Expansion Boarddin35 C45 DIN Rail RS485 Relay Modbus RTU Protocol Remote Control PLC Expansion Board For PTZ Camera Motor Led (
Amazon.com
$17.05
$33.43
16 Channel Modbus RTU Switch Module RS485 Relay Module Control Switch Board For PLC PTZ Camera Motor
Aliexpress
48% off
$17.05
$33.43
16 Channel Modbus RTU Switch Module RS485 Relay Module Control Switch Board For PLC PTZ Camera Motor
Aliexpress
$75.52
$76.57
32CH RS485 Modbus RTU PLC Relay Module 2A Low Power DIN Rail Mount 12V/24V For Smart
Aliexpress
Free shipping
$75.52
$76.57
32CH RS485 Modbus RTU PLC Relay Module 2A Low Power DIN Rail Mount 12V/24V For Smart
Aliexpress
Free shipping
$64.04
$66.65
R421C32 DC 12V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial Port Board For PLC LED Home
Aliexpress
Free shipping
$64.04
$66.65
R421C32 DC 12V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial Port Board For PLC LED Home
Aliexpress
Free shipping
$30.74
$31.77
New Modbus RTU Protocol 8DI 8DO RS485 Relay Module 10IOA08 01 05 15 02 03 06 16 Function Code
Aliexpress
Free shipping
$30.74
$31.77
New Modbus RTU Protocol 8DI 8DO RS485 Relay Module 10IOA08 01 05 15 02 03 06 16 Function Code
Aliexpress
Free shipping
$28.10
Taidacent 10/12 Bit AD Multi Channel 4-20Ma 0-5V 0-10V PLC Analog I/O Input To RS485 Modbus RTU TCP Converter Module (4-20Ma)
Amazon.com
7
$28.10
Taidacent 10/12 Bit AD Multi Channel 4-20Ma 0-5V 0-10V PLC Analog I/O Input To RS485 Modbus RTU TCP Converter Module (4-20Ma)
Amazon.com
7
$50.42
$54.29
Mini Size 32CH RS485 Relay Modbus Rtu PLC IO Expansion Module 2A Low Power Intermediate Relay Output
Aliexpress
Free shipping
$50.42
$54.29
Mini Size 32CH RS485 Relay Modbus Rtu PLC IO Expansion Module 2A Low Power Intermediate Relay Output
Aliexpress
Free shipping
$74.81
Industrial Modbus RTU RS485 8-Ch 30A High Current Relay Module (E) With Digital Input
Aliexpress
Free shipping
$74.81
Industrial Modbus RTU RS485 8-Ch 30A High Current Relay Module (E) With Digital Input
Aliexpress
Free shipping
$61.66
$65.37
Relay Module 20Ch RS485 Digital Analog Switch IO Module Modbus RTU PLC UART Expanding Board 4-20MA
Aliexpress
Free shipping
$61.66
$65.37
Relay Module 20Ch RS485 Digital Analog Switch IO Module Modbus RTU PLC UART Expanding Board 4-20MA
Aliexpress
Free shipping
$34.45
$36.76
DC 12V 24V 16CH Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO
Aliexpress
Free shipping
$34.45
$36.76
DC 12V 24V 16CH Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO
Aliexpress
Free shipping
$35.42
$37.01
DC 12V DIN35 C45 Rail Box 16 Channel RS485 Relay Module Modbus RTU UART Control Switch Board For PLC
Aliexpress
Free shipping
$35.42
$37.01
DC 12V DIN35 C45 Rail Box 16 Channel RS485 Relay Module Modbus RTU UART Control Switch Board For PLC
Aliexpress
Free shipping
$4.96
$5.31
Modbus RTU DC 7-24V 1/2 Channel Relay Module Switch Modbus Relay Output 12V Switch Input RS485/TTL
AliExpress
$4.96
$5.31
Modbus RTU DC 7-24V 1/2 Channel Relay Module Switch Modbus Relay Output 12V Switch Input RS485/TTL
AliExpress
$76.91
$96.14
12V 24V 32 Channel DIN Rail RS485 Relay Module Modbus RTU Protocol Remote Control PLC Expansion
Aliexpress
Free shipping
20% off
$76.91
$96.14
12V 24V 32 Channel DIN Rail RS485 Relay Module Modbus RTU Protocol Remote Control PLC Expansion
Aliexpress
Free shipping
$17.59
$18.51
Industrial Grade DC 12V 24V 4DO RS485 Relay Module DIP Switch Set Parameters Modbus RTU PLC IO
AliExpress
Free shipping
$17.59
$18.51
Industrial Grade DC 12V 24V 4DO RS485 Relay Module DIP Switch Set Parameters Modbus RTU PLC IO
AliExpress
Free shipping
$39.04
$40.96
16-Channel 12V 10A DIN Rail Box PLC Expansion Board RS485 Modbus RTU Relay Module
Aliexpress
Free shipping
$39.04
$40.96
16-Channel 12V 10A DIN Rail Box PLC Expansion Board RS485 Modbus RTU Relay Module
Aliexpress
Free shipping
$2.61
$3.22
Modbus RTU 7-24V Relay Module RS485/TTL Anti-Reverse 1/2 Channel 485 Switch Input 1 2 Way Optical
AliExpress
Free shipping
18% off
$2.61
$3.22
Modbus RTU 7-24V Relay Module RS485/TTL Anti-Reverse 1/2 Channel 485 Switch Input 1 2 Way Optical
AliExpress
Free shipping
$2.68
5V 12V Modbus Rtu 1 2 4 8 Channel Relay Module RS485 TTL Communication 1 2 4 8 Way Input Relay
AliExpress
$2.68
5V 12V Modbus Rtu 1 2 4 8 Channel Relay Module RS485 TTL Communication 1 2 4 8 Way Input Relay
AliExpress
$23.38
$24.25
3 in 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller
Aliexpress
Free shipping
$23.38
$24.25
3 in 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller
Aliexpress
Free shipping
$289.00
Andover Controls | D0-4-0 RS-485 | Relay Output Module |
Classic Automation
$289.00
Andover Controls | D0-4-0 RS-485 | Relay Output Module |
Classic Automation
$20.99
$32.80
16CH DC 12V 24V Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO
Aliexpress
Free shipping
36% off
$20.99
$32.80
16CH DC 12V 24V Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO
Aliexpress
Free shipping
$38.57
$41.03
Din-Rail Modbus RTU 16Ch Relay Module RS485 With Multiple Isolation Protection Circuits
Aliexpress
Free shipping
$38.57
$41.03
Din-Rail Modbus RTU 16Ch Relay Module RS485 With Multiple Isolation Protection Circuits
Aliexpress
Free shipping
$10.96
$17.12
Multifunction Relay Module With RS485 Modbus RTU For 4-20MA 0-10V Current Voltage Collection
Aliexpress
Free shipping
35% off
$10.96
$17.12
Multifunction Relay Module With RS485 Modbus RTU For 4-20MA 0-10V Current Voltage Collection
Aliexpress
Free shipping
$60.96
$65.76
Easy To Instal DC 12V 24V 20A 32CH RS485 Relay Module Multifunction Modbus RTU Switch PLC Remote IO
Aliexpress
Free shipping
$60.96
$65.76
Easy To Instal DC 12V 24V 20A 32CH RS485 Relay Module Multifunction Modbus RTU Switch PLC Remote IO
Aliexpress
Free shipping
Modbus RTU 4CH 12V RS485 module
Modbus RTU 4CH 12V RS485 module
Sep 8, 2019
twinschip.com
How to process Modbus RTU devices with the EASY-COM-RTU-M1 module on an easyE4? - Eaton videos
15:45
How to process Modbus RTU devices with the EASY-COM-RTU-…
Jun 10, 2022
eaton.com
8/16/32Channel Industrial Ethernet Relay Module Modbus RTU Protocol RS485 Multi Isolation Protection Circuits, DIN Rail Mount
8/16/32Channel Industrial Ethernet Relay Module Modbus RTU Protoc…
15 views4 months ago
alibaba.com
MODULE RELAY 4 KÊNH 12V GIAO TIẾP MODBUS RTU RS485
MODULE RELAY 4 KÊNH 12V GIAO TIẾP MODBUS RTU RS485
May 1, 2000
vietnic.vn
Huaqingjun 32-Channel RS485 Communication Relay Module Modbus RTU Protocol for PLC Expansion
Huaqingjun 32-Channel RS485 Communication Relay Module Mo…
Jul 1, 2023
alibaba.com
DC 12V 32CH Modbus Relay IOT RS485 Network PC UART Industrial Control Switch Module Easy Setup for PLC HMI TP PTZ (1 x 12V 32CH Only Board)
0:28
DC 12V 32CH Modbus Relay IOT RS485 Network PC UART Industri…
5 months ago
amazon
01- What is Modbus ? And detail of Modbus RS485 RTU Communication?
23:22
01- What is Modbus ? And detail of Modbus RS485 RTU Communicati…
98.7K viewsAug 1, 2021
YouTubeWaqas Saeed
Huaqingjun 16-Channel RS485 Communication Relay Module MO…
58 viewsMay 25, 2023
alibaba.com
Modbus-Rtu 1 way relay module RS485/TTL รีเลย์ Modbus RTU R…
Mar 16, 2022
analogread.com
3:20
8 Channels DC24V Relay Shield Module RS485 PLC Modbus IO Ex…
1 viewsAug 14, 2018
amazon
0:31
Modbus RS485 relay control
12.7K viewsDec 5, 2020
YouTubeGeorge Adams
[Hot Item] RS485 Ethernet Data Acquisition Module with Analog In…
1 month ago
made-in-china.com
0:06
Modbus RTU RS485 Relay Module
271.2K viewsJun 7, 2023
YouTubeToyTech Machines
40:29
What is RS485 serial communication? How to use RS-4…
82.6K viewsAug 5, 2022
YouTubeChallenger Tech.
12:37
RS485 Communication with STM32 | MAX485 UART Tutorial
Sep 23, 2022
controllerstech.com
0:56
IND-RLY-DO4-M | Modbus RTU 4 Channel Relay Module | INDSENS…
1.8K views6 months ago
YouTubeFusion Automate
4:16
Using Arduino to read rs485 Modbus RTU holding registers
69.2K viewsJan 3, 2023
YouTubeMYSON ACADEMY & TECHNOLOGY
9:18
All You Need to Know About Modbus RTU
399K viewsFeb 4, 2010
YouTubeRealTimeAutomation
15:02
Industrial Modbus (Slave) RTU 8-ch Relay Module /Digital in/ Analog i…
9.3K viewsAug 22, 2023
YouTubeSaravanan AL
0:57
ESP32 with MODBUS RTU RS485 Protocol Using Arduino IDE
11.6K viewsNov 24, 2022
YouTubemicrodigisoft
10:31
TUTORIAL: How to make MODBUS work with ESP32 - Arduino - RS48…
123.7K viewsJul 13, 2018
YouTubeAntony Cartwright (Electronics & Code)
0:08
Modbus RTU RS485 Relay Module PC Connection
56.7K viewsAug 28, 2024
YouTubeToyTech Machines
9:10
Modbus RTU over RS485 Arduino and Scaling 4-20ma to 1-5v
34.4K viewsJul 29, 2014
YouTubeelectronhacks
21:32
Arduino SCADA with WinCC using Modbus RTU rs485 communicatio…
25.2K viewsDec 18, 2021
YouTubeTechTutorial
0:26
Waveshare Modbus RTU Relay 4CH,4-channel industrial relay,RS…
725 views11 months ago
YouTubeWaveshare Electronics
4:52
RS485 Modbus Setting and Testing Procedure
17.7K viewsSep 9, 2021
YouTubeIndustrial Solutions
1:11
2-Wire Modbus RTU Wiring | Yokogawa UTS20 RS485 Connecti…
1 views3 months ago
YouTubeTech Motion
0:11
Modbus RTU RS485 Relay Module #rs485 #modbusrtu
112 views1 week ago
YouTubePLC&HMI_Hacker
0:27
Amazon
1 viewsAug 15, 2018
amazon
See more videos
Static thumbnail place holder

Shop Modbus RTU RS485 Relay Module

Sponsored
About our ads
$21.07
2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
Amazon.com
Free shipping
$21.07
2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
Amazon.com
Free shipping
$29.98
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
3
$29.98
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
3
$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
Free shipping
$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
Free shipping
$34.55
Waveshare Industrial Modbus RTU 8-Ch Relay Module With RS485 Bus, Multi Isolation Protection, 5V Voltage
Amazon.com
Free shipping
$34.55
Waveshare Industrial Modbus RTU 8-Ch Relay Module With RS485 Bus, Multi Isolation Protection, 5V Voltage
Amazon.com
Free shipping
$14.50
1PCS Modbus-Rtu 1 Channel 12V Relay Module Switch Input/Output RS485/TTL Communication New 2025 High For Reliable Electronic Component, Precision,
Amazon.com
$14.50
1PCS Modbus-Rtu 1 Channel 12V Relay Module Switch Input/Output RS485/TTL Communication New 2025 High For Reliable Electronic Component, Precision,
Amazon.com
$9.93
JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
Amazon.com
$9.93
JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
Amazon.com
$43.19
TUOPUONE Industrial Modbus RTU 8-Ch Relay Module (D) With Digital Input And RS485 Interface Multi Isolation Protection Circuits 736V Power Supplysafe
Amazon.com
Free shipping
$43.19
TUOPUONE Industrial Modbus RTU 8-Ch Relay Module (D) With Digital Input And RS485 Interface Multi Isolation Protection Circuits 736V Power Supplysafe
Amazon.com
Free shipping
$46.99
Waveshare Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
4
$46.99
Waveshare Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
4
$19.79
Balepha RT5BF01 DC 12V 24V Din Rail DIP Switch RS485 Wireless Data Transceiver 20DBM-121Dbm UART Transmitter And Receiver Modbus RTU Module,Bus Relay
Amazon.com
$19.79
Balepha RT5BF01 DC 12V 24V Din Rail DIP Switch RS485 Wireless Data Transceiver 20DBM-121Dbm UART Transmitter And Receiver Modbus RTU Module,Bus Relay
Amazon.com
$130.00
Two Channel Relay Output Module Modbus RS485 Output
IOThrifty
$130.00
Two Channel Relay Output Module Modbus RS485 Output
IOThrifty
$31.98
$62.11
16 Channel Modbus RTU PLC Controller Serial Port Switch RS485 Relay Module Switch Module For PLC PTZ
Aliexpress
Free shipping
48% off
$31.98
$62.11
16 Channel Modbus RTU PLC Controller Serial Port Switch RS485 Relay Module Switch Module For PLC PTZ
Aliexpress
Free shipping
$51.70
$73.86
2 IN1 DC 12V/24V 12 Channel DIO Ethernet/RS485 Relay Switch Module Modbus RTU TCP/IP Network
Aliexpress
Free shipping
30% off
$51.70
$73.86
2 IN1 DC 12V/24V 12 Channel DIO Ethernet/RS485 Relay Switch Module Modbus RTU TCP/IP Network
Aliexpress
Free shipping
$49.07
$74.73
24CH RS485 Relay Modbus RTU Module 10A NC COM NO Dry Contact Output Interface DIN35 C45 Rail Box
Aliexpress
Free shipping
34% off
$49.07
$74.73
24CH RS485 Relay Modbus RTU Module 10A NC COM NO Dry Contact Output Interface DIN35 C45 Rail Box
Aliexpress
Free shipping
$38.99
DC 12V 16 Channel PLC Expansion Boarddin35 C45 DIN Rail RS485 Relay Modbus RTU Protocol Remote Control PLC Expansion Board For PTZ Camera Motor Led (
Amazon.com
$38.99
DC 12V 16 Channel PLC Expansion Boarddin35 C45 DIN Rail RS485 Relay Modbus RTU Protocol Remote Control PLC Expansion Board For PTZ Camera Motor Led (
Amazon.com
$17.05
$33.43
16 Channel Modbus RTU Switch Module RS485 Relay Module Control Switch Board For PLC PTZ Camera Motor
Aliexpress
48% off
$17.05
$33.43
16 Channel Modbus RTU Switch Module RS485 Relay Module Control Switch Board For PLC PTZ Camera Motor
Aliexpress
$75.52
$76.57
32CH RS485 Modbus RTU PLC Relay Module 2A Low Power DIN Rail Mount 12V/24V For Smart
Aliexpress
Free shipping
$75.52
$76.57
32CH RS485 Modbus RTU PLC Relay Module 2A Low Power DIN Rail Mount 12V/24V For Smart
Aliexpress
Free shipping
$64.04
$66.65
R421C32 DC 12V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial Port Board For PLC LED Home
Aliexpress
Free shipping
$64.04
$66.65
R421C32 DC 12V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial Port Board For PLC LED Home
Aliexpress
Free shipping
$30.74
$31.77
New Modbus RTU Protocol 8DI 8DO RS485 Relay Module 10IOA08 01 05 15 02 03 06 16 Function Code
Aliexpress
Free shipping
$30.74
$31.77
New Modbus RTU Protocol 8DI 8DO RS485 Relay Module 10IOA08 01 05 15 02 03 06 16 Function Code
Aliexpress
Free shipping