Description
Industrial Modbus RS485 Bus 8-channel RTU Relay Module with Protection Circuits
The Industrial Modbus 8-channel RS485 Bus RTU Relay Module has been designed to work with a variety of industrial control applications, especially the applications for which high communication is needed. The Modbus RS485 Bus 8-ch RTU Relay Module comes with multiple embedded protection circuits which include power isolation, ADI magnetic isolation, and TVS diode, etc. The Industrial Modbus RTU Relay Module features a reliable protective cover made of ABS plastic. It is a reliable, stable, and safe Relay Module that has been designed as per the requirements of highly demanding applications. Â
Features of Industrial Modbus RS485 Bus 8-channel RTU Relay Module
- RS485 Bus supports cascading of multiple devices
- Configurable device address – 1~255
- Flash-On and Flash-Off functions via Argument to Command | The relay is capable of turning itself OFF when not in use
- Reverse-Proof Circuit | protection from accidental damage in the case of reverse or incorrect connection
- On-board Optocoupler Isolation | protecting of the relay from high current/voltage interfaces
- On-board Transient Voltage Suppressor (TVR) | Lightning-proof, anti-electrostatic | suppresses surge voltage and transient spike
- On-board Unibody ADI Magnetic Isolation | strong and reliable anti-interference | signal isolation | less power consumption
- On-board Unibody Power Supply Isolation | no need for extra power supply | stably isolated voltage
- 3x LEDs for MCU and Signal Transceiving
- Relay Contact Rating: ≤10A 250VAC/30VDC
- ABS Plastic Enclosure | Reliable and Safe | Rail-Mounted
Specifications of Industrial Modbus RS485 Bus 8-channel RTU Relay Module
- Compatible Power Supply: Designed to work with a 5V Power Supply
- RS485 Bus Communication Interface
- 1~255 RS485 Address (Configurable)
- Default Communication Format: 9600, N, 1
- Number of Channels: 8 Relay Channels
- Baudrate: 4800, 9600, 19200, 38400, 57500, 115200, 128000, 256000
- 1NO 1NC Contact Form
- Modbus RTU Standard Communication Protocol
- RS485 Bus Terminal Protection: 600W lightning-Proof and Surge-Suppress | 15KV ESD Protection | 120R Reserved Balancing Resistor (Solder Pads)
- TX LED Indicator: TXD – turns on when data is being sent out
- RX LED indicator: RXD – turns on when data is being received
- MCU LED indicator: STA – Flashes constantly when MCU is working
Applications of Industrial Modbus RS485 Bus 8-channel RTU Relay Module
- Farming and Breeding: Feeding system, ventilation control, light control, water supply control
- Intelligent agriculture: Control door curtain motor and air blower
- Smart homes: Control purifiers, air conditioners, and water heaters
- Industrial control: Unattended industrial control system, valve control, and pump station control
Weight and Dimensions
- Weight: 0.344 kg | 344 grams
- Dimensions: 14.5cm x 9cm x 4cm | 145mm x 90mm x 40mm
Items Included
- 1x Industrial Modbus RS485 Bus 8-channel RTU Relay Module
- 1x 5V/2A | 5.5/2.1 Power Adapter (US Plug)
- 1x EU Power Adapter Head
