Waveshare
Dual Ethernet 8-Channel Relay Module – PoE, Modbus RTU, Rail-Mount
· MPN: 30544
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Introducing the Modbus POE ETH Relay (C) - Dual Ethernet Ports, 8-ChannelMaximize your industrial automation systems with the exceptional Modbus POE ETH Rela...
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Introducing the Modbus POE ETH Relay (C) - Dual Ethernet Ports, 8-Channel
Maximize your industrial automation systems with the exceptional Modbus POE ETH Relay (C). Designed for reliability and robust performance, this 8-channel relay module takes control and connectivity to the next level with its dual Ethernet ports and Power over Ethernet (PoE) capability.
Key Features:
- Dual Ethernet Ports for Enhanced Communication: Effortlessly supports Ethernet port cascade for expansive network configurations and seamless device communication.
- Intuitive Flash-On, Flash-Off Function: Easily program relays to operate for specific durations, ensuring precise control for your applications.
- Versatile Power Input Options: Embrace flexible power solutions with a broad DC 7~36V input range, PoE, or standard DC power port options.
- Advanced Modbus Protocol Support: Utilizes both Modbus RTU and TCP protocols for robust and versatile device interoperability.
- Superior Isolation and Protection: Features onboard optocoupler isolation and a relay driver chip with flyback diode protection for unmatched circuit safety.
- Convenient Digital Input Handling: Offers bi-directional optocoupler isolation, and supports both passive and active digital inputs with built-in debouncing capabilities.
- Effortlessly Configurable: Set up through software or web browser configuration and supports dynamic IP addressing via DHCP along with DNS protocol functionality.
- Robust and Secure Enclosure: Comes in a durable ABS plastic rail-mounted case, ensuring ease of installation and operation safety.
- Comprehensive Indicators: Equipped with multiple LED indicators for monitoring status and network activity, maintaining full transparency for system operations.
- Wide Application Suitability: An ideal choice for a vast range of industrial control tasks, thanks to its high communications capability and protection features.
Technical Specifications:
- Relay Capacity: 10A at 250VAC/30VDC
- Communication Modes: TCP Server/Client, UDP, UDP Multicast, MQTT
- Dimensions: 175×90×40mm
- Weight: 0.287 kg
In the Box:
- Modbus POE ETH Relay (C) x1
Keep in mind, the external power supply adapter is not included and a 12V power supply is recommended for optimal performance. For ease of testing and setup, consider purchasing the USB TO RS232/485/TTL or USB TO RS485 adapters alongside this module.
Step into the future of industrial automation with the Modbus POE ETH Relay (C) and revolutionize the way you manage your systems. For more resources and a comprehensive guide, visit our wiki: www.waveshare.com/wiki/ModbusPOEETHRelay(C)
Whether for simple control tasks or complex networked systems, the Modbus POE ETH Relay (C) delivers performance you can trust and the versatility you need.
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- Modbus
- Modbus is an industrial communication protocol used by many meters, sensors, PLCs, and automation devices. Modbus support matters because it can make the controller easier to integrate with existing industrial equipment.
- Modbus RTU
- Modbus RTU is a version of Modbus commonly used over RS485 serial wiring. It matters if you need to connect the controller to industrial sensors, meters, or drives that use serial Modbus rather than Ethernet.
- MQTT
- A lightweight messaging protocol often used for IoT devices to publish and receive data through a server called a broker. It matters for home automation and sensor networks because it is simple, efficient, and widely supported.
- PoE
- Power over Ethernet lets one Ethernet cable carry both network data and electrical power. This is useful when installing a device where running a separate power adaptor would be difficult.
- RS485
- RS485 is a robust wired serial communication standard often used in factories, farms, and buildings where cables may be long or electrically noisy. It matters because it lets this controller connect to industrial sensors, meters, and control equipment over longer distances than typical hobby serial wiring.
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