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Digital Input Modbus

Die 10 besten Produkte von Dezember 2025
Letzte Aktualisierung: 8. Dezember 2025
Waveshare
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
Kostenloser Versand
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98

MAXIMALE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#1 GEWINNER

  • 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 € 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
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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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96

BESTE 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 8-Ch Analog Acquisition Module, 12-Bit High-Precision, Supports Voltage and Current Acquisition, DC 7~36V Wide Voltage Power Supply, 8-ch Voltage Mode, 0~10V
Kostenloser Versand
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92

TOP QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#4

  • 8-ch voltage mode, 0~10V
  • Configurable device address (1~255), multi devices can be cascaded on RS485 bus. bOnboard 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, lightningproof & anti-electrostatic
  • Supports 12-bit high-precision acquisition with multiple range input modes, supports single-ended/differential input, supports voltage and current simultaneous acquisition. Adopts high-precision resistors and zero-drift high-precision operational amplifier for more accurate data acquisition
  • Built-in oversampling digital filtering algorithm, onboard watchdog, for stable output without crashing. Rail-mount case design, support stacking combination, easy to install and safer to use. 3x LEDs for indicating the MCU status and signal transceiving status
  • 39,99 € AUF AMAZON
EASTRON
EASTRON
Eastron SDM630Modbus-V3 Drehstromzähler digitaler Stromzähler für Hutschiene, Multifunktional, Bidirektional mit 2x S0, RS485 Modbus-RTU
Kostenloser Versand
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86

SICHERE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#5

  • MID calibrated consumption meter approved for billing (e.g. rental, e-mobility)
  • netted active and reactive power, bidirectional measuring with sign at energy output
  • Many measured values (also per phase) can be easily read directly via the clear, illuminated display
  • RS485 Modbus-RTU and two S0 interfaces for remote reading or energy management systems
  • Bidirectional, direct measurements up to max. 80A per phase, 4HP width for 35mm DIN rail
  • 112,99 € AUF AMAZON
Coolwell
Coolwell
Industrial 8-Channel Modbus RTU Relay Module with RS485 Communication, Digital Inputs, and Isolated Protection - High Reliability, Safety, and Fast Communication for Industrial Control
Kostenloser Versand
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81

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#6

  • Advanced Modbus RTU Control: Operate 8 relays with ease using RS485 communication and Modbus RTU protocol; configurable device address (1-255) and cascading capability for multi-device setups.
  • Enhanced Protection Features: Equipped with power and magnetical isolation, TVS diode, and resettable fuse for reliable over-current and over-voltage protection.
  • Flexible Relay Functions: Includes flash-on/flash-off functionality for timed relay activation and deactivation, supporting versatile industrial applications.
  • Durable and Safe Design: Enclosed in a rugged ABS plastic case with high-quality relays rated for up to 10A, and features bi-directional optocoupler isolation to prevent high-voltage interference.
  • User-Friendly Installation: Rail-mounted design for easy setup, with multiple LEDs indicating MCU and signal status for quick diagnostics and operation monitoring.
  • 50,87 € AUF AMAZON
Waveshare
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
Kostenloser Versand
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80

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#7

  • 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 € AUF AMAZON
Zunedhys
Zunedhys
Zunedhys 32 Ch isolierter digitaler Eingang RS485 Modbus RTU Controller DC 12 V 24 V Schalter Erfassungsplatine (mit Gehäuse)
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78

GUTE QUALITÄT

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Amazon.de
#8

  • MODBUS RTU 03 06 Steuermodus
  • Arbeitsstrom: 8–20 mA
  • Eingangsbereich: 5-30 V
  • Betrieb: DC 12 V/24 V (6,5–25 V)
  • Der Status des Eingangsports unterstützt Abfragen (Standard) und automatische Berichterstellung
  • 29,67 € (146,52 € / kg) AUF AMAZON
Waveshare
Waveshare
Industrielle 8-Kanal ESP32-S3 WiFi-Relaismodul, RS485, Digitaleingang, Relais, PoE Ethernet Port und Mehrere Isolationsschutzschaltungen, Unterstützt RS485 und Bluetooth/WiFi Fernsteuerung
Kostenloser Versand
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71

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#9

  • Industrial 8-Channel ESP32-S3 WiFi Relay Module, based on ESP32-S3 microcontroller, built-in 32-bit LX7 dual-core processor, up to 240MHz, integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, supports Arduino IDE
  • Industrial 8-Ch WiFi Network Relay Module, onboard digital input, RS485, and ethernet port interfaces. Built-in multiple isolation protection circuits such as power isolation and optocoupler isolation, more safe, stable and reliable
  • Supports RS485 and Bluetooth / WIFi Remote Control, onboard 8-ch relays and 8-ch digital inputs, contact rating of the onboard relay up to 10A 250V AC / 30V DC, directly controlling 220VAC home appliances, or devices below 30V DC
  • Digital Input, supports passive (dry contact) and active (wet contact) digital input, with bi-directional optocoupler isolation
  • Built-in PoE module, providing both network connection and power supply in one cable
  • 67,19 € AUF AMAZON
Waveshare
Waveshare
Waveshare Industrial 8-Ch RP2350 Relay Module, RP2350 2-Core&Dual-Architecture Microcontroller, Support Digital Input, RS485, Ethernet Port Interface(No POE), with Multi Isolation Protection Circuits
Kostenloser Versand
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66

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#10

  • Common network(No POE) port + isolated RS485, 8-ch digital inputs + 8-ch relays. RP2350B microcontroller chip designed by Raspberry Pi in the United Kingdom. Adopts unique dual-core and dual-architecture design: dual ARM Cortex-M33 or dual Hazard3 RISC-V processors support, flexible clock running up to 150 MHz. 520KB of Static RAM, and 16MB of onboard Flash memory. Type-C port, easier to use
  • High quality relay, contact rating: ≤10A 250V AC / 30V DC. Supports passive and active digital input, with bi-directional optocoupler isolation. The relay supports digital input linkage control. Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial expansion modules or sensors. Onboard pin header, allowing access to other devices
  • Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications. Onboard RTC chip, supports scheduled tasks. Onboard W5500 Ethernet chip for extending 10/100Mbps network port through SPI interface. Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay
  • Onboard digital isolation to prevent interference from external signal. Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal. Onboard TF card slot for external TF card storage of images and files. Built in buzzer, RGB LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the devices
  • Rail-mounted ABS case, easy to install, safe to use. USB 1.1 with host and sub device support. Low-power sleep and dormant modes. Drag-and-drop programming using mass storage over USB. Adapting 15xmulti-function GPIO pins. 2xSPI, 2xI2C, 2xUART, 8x12-bit ADC, 12xcontrollable PWM channels. Accurate clock and timer on-chip. Temperature sensor. Accelerated floating-point libraries on-chip. 12xProgrammable I/O (PIO) state machines for custom peripheral support
  • 55,99 € AUF AMAZON
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