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- SKU: 08579
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Modbus RTU 5V 2-Channel Relay Module – RS485 Industrial Relay Control Board
The Modbus RTU 5V 2-Channel Relay Module is a compact industrial relay control board designed for reliable remote switching of electrical loads through an RS485 communication interface. It supports the Modbus RTU protocol, allowing easy integration with PLCs, microcontrollers, industrial controllers, HMI systems, and other RS485-enabled devices.
Featuring two independently controlled relay channels and a 5V operating supply, this module provides convenient ON/OFF control for lights, motors, solenoid valves, fans, pumps, and other electrical equipment. Its RS485 interface enables stable long-distance communication and multiple devices can be connected on the same RS485 bus.
Features
- 2 independently controlled relay channels
- 5V DC operating voltage
- RS485 communication interface
- Supports Modbus RTU protocol
- Suitable for PLC, HMI, MCU and industrial automation systems
- Enables remote ON/OFF control of electrical loads
- Supports long-distance RS485 communication
- Compact industrial relay control design
- Suitable for lights, motors, pumps, fans, solenoid valves and other loads
- Ideal for IoT, smart control and industrial automation applications
Specifications
- Product Type: Modbus RTU 2-Channel Relay Module
- Number of Channels: 2
- Relay Control: Independent ON/OFF control
- Operating Voltage: 5V DC
- Communication Interface: RS485
- Communication Protocol: Modbus RTU
- Communication Mode: Half-duplex serial communication
- Application: Industrial automation, IoT, remote control
- Compatible Systems: PLC, HMI, MCU, industrial controllers
- Mounting: Module/PCB mounting
- Relay Output: 2-channel relay switching
- Control Method: RS485 remote control
Package Includes
- 1x Modbus RTU 5V 2-Channel Relay Module – RS485 Industrial Relay Control Board
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)
