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Arduino Modbus Rtu

Die 10 besten Produkte von Juni 2025
Letzte Aktualisierung: 8. Juni 2025
Waveshare
Waveshare
Waveshare Industrial Modbus RTU 8-Ch Relay Module (E) with RS485 Interface, 30A High Current, Multi Isolation Protection Circuits, Onboard Optocoupler Isolation, Rail-Mounted Case
Kostenloser Versand
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99

MAXIMALE QUALITÄT

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Amazon.de
#1 GEWINNER

  • An industrial 8-ch relay module controlled via RS485 bus, utilizing Modbus RTU protocol. It features embedded protection circuits such as power isolation, ADI magnetical isolation, resettable fuse, and TVS diode, etc. It also comes with an ABS enclosure. The Modbus RTU Relay (E) is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirement.
  • Configurable device address (1~255), multi devices can be cascaded on RS485 bus. Features flash-on, flash-off function, by passing arguments to the command, it is possible to turn on the relay for a while and then close it automatically. 3 LEDs for indicating the MCU status and signal transceiving status
  • Onboard voltage regulator, supports 7V~36V wide voltage supply. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody ADI magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
  • Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic. Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
  • Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability. Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection. High quality relay, contact rating: ≤30A 250V AC or ≤30A 28V DC. Rail-mounted ABS plastic enclosure, easy to install, safe to use
  • 74,99 € AUF AMAZON
Waveshare
Waveshare
Waveshare Industrial Modbus RTU 8-Ch Relay Module (D) With Digital Input And RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply
Kostenloser Versand
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96

BESTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#2

  • Configurable device address (1~255), multi devices can be cascaded on RS485 bus. Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically
  • Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
  • Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic. Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
  • Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability. Supports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. The relay supports digital input linkage control or toggle control
  • Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection. High quality relay, contact rating: ≤10A 250VAC/30VDC. Rail-mounted ABS plastic enclosure, easy to install, safe to use. Multiple LEDs for indicating the MCU status and signal transceiving status
  • 52,99 € AUF AMAZON
Waveshare
Waveshare
Waveshare Industrial 8-Ch Digital Input & Output Module, DC 7~36V Wide Voltage Power Supply, Modbus RTU Protocol, Multiple Isolation Protection Circuits, Rail-Mount Support
Kostenloser Versand
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95

TOP QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#3

  • Configurable device address (1~255), multi devices can be cascaded on RS485 bus. Supports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. Supports DI/DO linkage control or DO toggle control
  • Onboard voltage regulator, supports 7~36V wide range power supply. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
  • Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference. Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof & anti-electrostatic
  • The output utilizes Darlington transistors with optocoupler isolation, provides stronger driving capability with up to 500mA sinking current, built in flyback diode protection. Rail-mount case design, support stacking combination, easy to install and safer to use
  • Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the output for a while and then close it automatically. Multiple LEDs for indicating the input & output status, MCU status and signal transceiving status
  • 36,99 € AUF AMAZON
Waveshare
Waveshare
Waveshare Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Kostenloser Versand
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88

HOHE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#4

  • An industrial 4-ch relay module controlled via RS485 bus, utilizing Modbus RTU protocol. It features embedded protection circuits such as power isolation, ADI magnetical isolation, resettable fuse, and TVS diode, etc. It also comes with an ABS enclosure. The Modbus RTU Relay 4CH is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirement.
  • Configurable device address (1~255), multi devices can be cascaded on RS485 bus. Features flash-on, flash-off function, by passing arguments to the command, it is possible to turn on the relay for a while and then close it automatically
  • Onboard voltage regulator, supports 7V~36V wide voltage supply. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody ADI magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
  • Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic. Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
  • Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability. Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection. High quality relay, contact rating: ≤30A 250V AC or ≤30A 28V DC. Rail-mounted ABS plastic enclosure, easy to install, safe to use. 3 LEDs for indicating the MCU status and signal transceiving status
  • 48,99 € AUF AMAZON
Waveshare
Waveshare
Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure
Kostenloser Versand
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87

SICHERE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#5

  • Configurable device address (1~255), multi devices can be cascaded on RS485 bus. Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically.
  • Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody ADI magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption.
  • Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, llgthningproof & anti-electrostatic. Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit.
  • Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection. High quality relay, contact rating: ≤10A 250VAC/30VDC.
  • Rail-mounted ABS plastic enclosure, easy to install, safe to use. 3 LEDs for indicating the MCU status and signal transceiving status.
  • 45,99 € AUF AMAZON
Waveshare
Waveshare
Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Kostenloser Versand
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80

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#6

  • An industrial 8-ch relay module controlled via Ethernet port, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case
  • This Modbus POE ETH Relay is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements
  • Supports DC 7~36V wide range power input and PoE power supply. Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically
  • Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo. Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit. Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
  • Rail-mounted ABS case, easy to install, safe to use. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status. High-quality relay, contact rating: ≤10A 250VAC/30VDC
  • 53,99 € AUF AMAZON
PUSR
PUSR
PUSR RS232 RS485 Modbus RTU zu Modbus TCP Gateway Seriell zu Ethernet Konverter USR-TCP232-410s
Kostenloser Versand
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78

GUTE QUALITÄT

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Amazon.de
#7

  • Serielle Schnittstelle: RS232 und RS485, kann gleichzeitig verwendet werden
  • Redundante Stromversorgung: DC 5-36 V oder Terminal-Stromversorgung
  • Modbus Gateway: Modbus RTU zu Modbus TCP, Modbus Polling
  • Arbeitsmodus: TCP Server/Client, UDP Server/Client, HTTPD Client
  • Konfiguration durch Webpage, AT-Befehl und Setup-Software
  • 47,00 € AUF AMAZON
PUSR
PUSR
PUSR DR302 DIN-Schienen-Gateway Mit Modbus RTU zu TCP RS485 zu Ethernet Konverter
Kostenloser Versand
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74

GUTE QUALITÄT

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Amazon.de
#8

  • Einfache Konfiguration und einfache Bedienung
  • Kompakt, leicht
  • Unterstützt TCP-Server/Client, UDP-Server/Client, virtuelles COM
  • RS485-Anschluss, Industriequalität
  • Modbus RTU auf Modbus TCP
  • 38,00 € AUF AMAZON
Waveshare
Waveshare
Waveshare 16-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, Ethernet Communication, Support PoE, Various Isolation & Protection Circuits, Industrial Grade Rail-Mount Case
Kostenloser Versand
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70

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#9

  • Dual Ethernet Ports with PoE Support:This 16-channel relay module is equipped with dual Ethernet ports, allowing for cascade communication via Ethernet ports, ensuring easy expansion and a reliable network connection. It also supports Power over Ethernet (PoE), eliminating the need for separate power cables and simplifying the overall system setup, ideal for environments with limited power outlets.
  • Modbus RTU/TCP Protocol Compatibility & MQTT Support: Supporting both Modbus RTU and Modbus TCP protocols, the module offers flexible and industry-standard communication options. It is also compatible with the MQTT protocol for relay control, and comes with a demo application for Alibaba Cloud MQTT, making it simple to integrate the device into cloud-based industrial automation systems or IoT networks.
  • Wide Power Input Range & Safety Features: The relay module supports a wide DC power input range of 7-36V, accommodating various power supply options in industrial settings. Additionally, it features onboard optocoupler isolation to protect the relays from high-voltage interference, ensuring reliable operation and preventing damage from electrical surges.
  • Enhanced Relay Protection and Control Functions:This relay module is equipped with a dedicated relay driver chip with built-in flyback diode protection, allowing for stable and strong driving performance. It also includes a flash-on, flash-off function with delay settings for opening or closing relays, offering greater flexibility for time-sensitive control applications.
  • Durable Enclosure & Easy Installation:Designed for industrial environments, the module comes in a sturdy ABS rail-mount enclosure, ensuring easy mounting and safe operation. The enclosure is optimized for rugged environments and supports quick installation. The device also includes 4 LEDs and network indicators, providing clear status updates on MCU activity and signal transmission, enabling quick troubleshooting and monitoring.
  • Rich WiKi Resources: We provide official Wiki resources, please visit our store and click the wiki page to get resources.
  • 79,99 € AUF AMAZON
EBYTE
EBYTE
EBYTE ModBus RTU Serielles IO-Modul RS485 Schnittstelle 4DI+2DO 8 digitale Ausgänge MA01-AXCX4020 Schieneninstallation 8 ~ 28 V DC
Kostenloser Versand
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70

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Amazon.de
#10

  • MA01-AXCX4020 unterstützt die Erfassung von 4-Kanal-Sensorschalteingängen (DI), die in eine serielle Schnittstelle (RS485) umgewandelt und an eine Konfigurationssoftware oder SPS übertragen werden. Das E/A-Vernetzungsmodul mit seriellem Anschluss (auch als "Remote IO" bezeichnet) steuert 2 Relais-Schaltausgänge (DO) durch die Ausgabe von Befehlen über den seriellen Anschluss, um Remote-Erfassungs- und Steuerungsfunktionen zu realisieren. Übersetzt mit www.DeepL.com/Translator (kostenlose Version)
  • Unterstützt Modbus RTU Protokoll; Unterstützt verschiedene Konfigurationssoftware/PLC/Touch Screen; RS485 Erfassung und Steuerung IO; DC 8～28V Stromversorgung;
  • 4-Wege-Schaltereingang DI (Trockenknoten);2-Wege-Schalterausgang DO (Relais); Schaltereingang (DI) unterstützt Zählfunktion
  • Der Schalteingang (DI) unterstützt die Modi "steigende Flanke", "fallende Flanke" und "Pegelauslösung"; der Schaltausgang (DO) unterstützt die Modi "Pegel", "Impuls" und "Verfolgung";
  • Kommunikationsbaudrate 1200～115200 (Standard 9600), unterstützt benutzerdefinierte Einstellungen;Unterstützt 1～247 Slave-Stationen, 5-stelliger DIP-Schalter kann 1～31 Adresscode einstellen, mehr als 31 können per Software eingestellt werden
  • 13,49 € AUF AMAZON
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