Modbus RTU Audible and Visual Alarm with 3 Color Signal Light3-for Workshop Machines and Industrial Equipment
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SKU : FN-VA603
Quantity on Hand : 2
Skill Level : Assembled and Tested

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29.95 29.95 USD 29.95


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Description: FN-VA603 Modbus RTU audible and visual alarm (sound and light alarm) with 3-color signal light, launched by FlyronTechnologyCo.,Ltd., has the characteristics of low power consumption, long life, flexible installation, and convenience of use. It’s easy to replace audio files via USB connection to computer. This product adopts Modbus RTU standard communication protocol based onRS485serialcommunication. According to actual needs, different light colors and flashing modes combined with corresponding warning voices achieve warning and alarm functions. Except for workshop machines and all kinds of industrial equipment, this device also can be used for all fire alarm control systems, security monitoring alarm systems and other alarm systems.


  • Adopts Modbus RTU standard communication protocol.
  • Equipped with 3 color (red/yellow/green) LED signal light. 
  • Supports 3 types of flash modes (quick flash/slow flash/always on). 
  • Free to set the signal light to work in any color and any flash mode above along with the sound alarming. 
  • Able to realize sound and light alarming simultaneously. 
  • Able to realize sound alarming individually. 
  • Able to control working status of the signal light during sound alarming. 
  • Built-in 4MB flash memory and supports max. 4 minutes long MP3 files of 128Kbps. 
  • Able to replace audio files via USB connection to computer. -The internal memory of the device will be directly detected as a USB flash drive on computer. No need any auxiliary software. 
  • Able to set different communication baud rates (4800/9600/19200/38400/57600/115200/256000/35250). 
  • Able to adjust sound volume through sending the related serial commands. 
  • Simple to install and easy to use

    Documentation and Downloads