Modbus Tcp Relay
I 10 migliori prodotti di agosto 2025
Ultimo aggiornamento:
4 agosto 2025
Waveshare
Waveshare 8-Ch Ethernet Relay Module (B) With Digital Input, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
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98
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An industrial 8-ch relay module controlled via Ethernet port, with 8-ch digital input, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case. The Modbus POE ETH Relay (B) 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.
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 passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. The relay supports digital input linkage control or toggle control
Supports DC 7~36V wide range power input and PoE power supply. Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status
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: ≤10A 250VAC/30VDC. Rail-mounted ABS plastic enclosure, easy to install, safe to use. Applicable to Industrial Control, Smart Home, Smart Agriculture, Breeding / Farming
66,99 € SU AMAZON
Waveshare
Relè Modbus POE ETH Modulo Relay Ethernet a 8 canali Supporta l'invio di Comandi del Protocollo Modbus RTU/Modbus TCP Tramite la Porta Ethernet per Controllare il Relè e Vari Dispositivi
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97
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#2
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Industrial 8-ch relay module supports Modbus RTU protocol/Modbus TCP protocol, supports TCP Server / TCP Client / UDP Mode / UDP Multicast / HTTP / MQTT, PoE port Communication
Modbus POE ETH Relay 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 DC 7~36V wide range power input and PoE power supply
Onboard optocoupler isolation, prevent the relay from being interfered by high-voltage circuit, onboard reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
High-quality relay, contact rating: ≤10A 250VAC/30VDC, directly controlling 220VAC home appliances, or devices below 30VDC
4 LEDs and Network indicators for indicating the MCU status and signal transceiving status. Rail-Mounted ABS protective enclosure design, easy to install, safe to use
53,99 € SU AMAZON
Waveshare
Waveshare 30-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
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95
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#3
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An industrial 30-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. Applicable to Industrial Control, Smart Home, Smart Agriculture, Breeding / Farming
The Modbus POE ETH Relay 30CH 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
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 DC 7~36V wide range power input and PoE power supply. 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. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status
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: ≤10A 250VAC/30VDC
96,99 € SU AMAZON
Coolwell
Coolwell Modulo di relay Ethernet 8-Ch con comunicazione porta PoE Modbus RTU/Modbus TCP Cover con custodia di montaggio industriale
Spedizione gratuita
92
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#4
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Relè ETH a 8 canali, dispone di funzione flash-on, flash-off, passando argomento al comando, è possibile accendere il relay per un po 'e poi chiuderlo automaticamente
Il relè ETH POE a 8 ch, supporta un ampio range di alimentazione DC 7 ~ 36 V e alimentazione PoE
Modulo relay POE a 8 ch, supporta il controllo del relay attraverso il protocollo MQTT, fornito con l'applicazione demo Alibaba Cloud MQTT
Relay POE a 8 canali, relè di alta qualità, rapporto di contatto: ≤ 10 A 250 VAC/30 VDC; custodia in ABS montata su rotaia, facile da installare, sicura da usare
Isolamento ottico a bordo, previene il relè da interferito da circuiti ad alta tensione; circuito a prova di inversione, previene il circuito da danni accidentalmente grazie alla connessione incorretta
52,79 € SU AMAZON
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
Spedizione gratuita
84
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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 € SU AMAZON
CDBAIRUI
CDBAIRUI 4AI+4AO Modbus TCP/RTU I/O Modulo di rete ME31-XAXA0404 DC 8-28V 0-20mA/4-20mA RJ45 RS485 Modbus Gateway Display OLED
82
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#6
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Protocollo senza problemi, facile adattamento Può essere collegato direttamente al sistema ModBus esistente senza preoccuparsi del problema della corrispondenza del protocollo
Gamma di ingresso configurabile. Compatibile con sensore/trasmettitore O-20mA/4-20mA
Rapporto stato attivo Il dispositivo può essere impostato per segnalare regolarmente lo stato corrente al server e la modifica dello stato verrà segnalata attivamente
Acquisizione analogica ad alta precisione È stato "calibrato" prima di lasciare la fabbrica per garantire l'accuratezza dell'acquisizione AD.1%. Acquisition Accuracy tre cicli di correzione dell'algoritmo
Display dati in tempo reale Schermo OLED integrato, lo stato dell'ingresso analogico e digitale è chiaro a colpo d'occhio
Configurazione dei tasti Pulsanti autonomi e display OLED, comodo per il debug in loco. Visualizzazione in tempo reale di input e output
Supporta il software virtuale della porta seriale. Connessione senza soluzione di continuità con vari software di configurazione e touch screen
Interruttore Input Fotoelettrico lsolation.Protezione di isolamento di livello industriale per migliorare l'affidabilità delle apparecchiature
Espansione a cascata RS485 Attraverso la porta seriale RS485 buit-in, modulo I/O porta seriale espansione a cascata, realizzare l'acquisizione simultanea di più dispositivi
Supportare il software del computer host. Realizza il debug rapido delle attrezzature e la configurazione dei parametri
42,50 € SU AMAZON
Waveshare
Waveshare Dual Ethernet Ports 8-Ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
Spedizione gratuita
79
QUALITÀ BUONA
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#7
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An 8-ch relay module designed for industrial environments, featuring dual Ethernet interfaces control and 8 digital inputs. It adopts Modbus RTU / Modbus TCP protocols, supports Ethernet port cascade and PoE power supply, also comes with an ABS rail-mount case. 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
The Modbus POE ETH Relay (C) 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. Dual Ethernet ports design, supports Ethernet port communication cascade and PoE power supply cascade
Supports DC 7~36V wide range power input and PoE power supply. 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
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. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status
71,99 € SU AMAZON
Nobrand
1 set con 1 ingresso digitale ESP8266 ModBus TCP 1 Way WIFI Relay
78
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Elettronica
1 Set Con 1 Ingresso Digitale Esp8266 Modbus Tcp Relè Wifi 1 Via
Tipo di prodotto: relè
13,62 € SU AMAZON
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
Spedizione gratuita
74
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#9
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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 € SU AMAZON
PUSR
PUSR Guida DIN di piccole dimensioni RS485 a Ethernet convertitore seriale dispositivo server Modbus gateway Modbus RTU a Modbus TCP al comando Pagina web integrata USR-DR134
Spedizione gratuita
66
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#10
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Può realizzare la trasmissione trasparente tra RS485 e le porte Ethernet.
Supporta il riavvio timeout, DHCP, DNS e altre funzionalità avanzate come pacchetto di battito cardiaco, pacchetto di registrazione ecc Può rendere facile la trasmissione dei dati del dispositivo seriale di campo.
Protocolli ricchi: TCP/UDP/HTTP/DHCP/DNS
Modbus Gateway: conversion Modbus TCP/RTU, Modbus RTU to JSON
Easy Config: comando AT, built-in pagina web, utilità di configurazione
29,90 € SU AMAZON
modbus relay
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modbus tcp/ip
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