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Modbus RTU 8-Channel Relay Module – 30A, RS485, DIN Rail Mount

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Robust Industrial 8-Channel Relay Module - Modbus RTU (E) with High-Current RS485 Interface
Unlock unparalleled control within demanding industrial environments with our Modbus RTU 8-channel Relay Module (E). Meticulously engineered to facilitate superior handling of high current applications, this module is the epitome of reliability and robust performance, featuring a seamless RS485 interface with Modbus RTU protocol for precise communication.
Key Features at a Glance:
  • Dependable Operation: Optimized for ongoing industrial use with 8 channels, this relay module is capable of enduring up to 30A of high current, ensuring your operations run smoothly without any interruptions.
  • Advanced Safety Mechanisms: Multi-isolation protection circuits, including onboard optocoupler isolation and built-in flyback diode protection, safeguard your system against voltage spikes, while resettable fuses prevent over-current incidents.
  • Effortless Mounting: Housed within a rail-mounted, durable ABS plastic enclosure, installation is a hassle-free process, offering both convenience and safety within your electrical setup.
  • Wide Voltage Compatibility: The onboard voltage regulator supports a generous range of 7V to 36V, ensuring the relay module remains versatile and functional across various power supply scenarios.
  • Intelligent Design Features: Easily programmable device addresses (1-255) allow for cascading multiple devices on the RS485 bus. Flash-on and flash-off functions grant you the power to activate relays temporarily - an attribute that significantly enhances your control strategy.
  • User-Friendly Indicators: Equipped with 3 LED indicators to display the MCU and signal transmission statuses, you'll have immediate feedback on your system's operations at a glance.
Specifications:
  • Power Supply: 7-36V
  • Communication Interface: RS485
  • Baud Rates: 4800 to 256000
  • Default Communication Format: 9600, N, 8, 1
  • Relay Channels: 8
  • Contact Form: 1NO 1NC
  • Contact Rating: ≤30A at 250V AC or ≤30A at 28V DC
  • Communication Protocol: Standard Modbus RTU
  • LED Indicators: STA, TXD, RXD
  • High Current Screw Terminals with Covers
  • Weight: 0.534 kg
  • Dimensions: 200×110×60mm
Industrial Applications:
Perfect for an array of industrial applications, from automation systems to process control, this relay module offers a trusted solution. It ensures that energy management, machinery operation, and complex automated systems retain optimal functionality with incomparable ease.
Convenient Resources & Services:
Discover comprehensive resources and a supportive wiki guide at www.waveshare.com/wiki/ModbusRTURelay_(E) to help with easy integration and setup for this module.
Please Note:
  • Power supply is not included; we recommend a 12V supply for your convenience.
  • We also suggest purchasing USB TO RS232/485/TTL or USB TO RS485 for straightforward testing and implementation.
The Modbus RTU 8-channel Relay Module (E) is not just a component; it's a cornerstone for sustainable, reliable, and safe industrial automation. Advance your system's capabilities with this high-current, isolating powerhouse, designed for peak performance and steadfast operation. Add it to your setup today and witness the transformation in your control processes.

The Modbus RTU 8-Channel Relay Module – 30A, RS485, DIN Rail Mount appears in the following collections:

SKU WS-30459

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