4 channel USB Relay & DAQ Board : iU-4RD
Welcome to the world of Computer Automation. This USB Relay Board – iU-4RD is a perfect companion
for all your computer automation projects. It is USB based card having 4 onboard relays for switching
external devices and up to 5 Digital Input/Outputs and 2 Analog channels .
The Analog channels have 10 bit resolution for connecting many sensors to measure parameters like
Temperature, Pressure, Humidity, Magnetic etc.
The board shows up as COM port to your PC (check in Device Manager) , which allows easy communication with
the card. Any programming language that supports serial communications ( C, C#, C++, VB, VB.NET,
Perl, Java etc) can be used to communicate with iU-4RD very easily.
Easy to use commands are availableto communicate with iU-4RD for Switching On/Off of Relays and playing with Input/Output channels and Analog inputs.
Technical Specifications –
No. Of Relays – 4.
No. Of digital input/outputs – up to 5.
Digital outputs sink/source current – 5 mA max. ( current beyond this limit may damage the board)
No. Of Analog inputs – 2.
ADC resolution – 10 bits , 1024 counts.
ADC input range – 0 to 5 V Dc.
Relay Specifications – Coil Voltage 12V Dc. Contact capacity – 5A.
Supply voltage – 12 V Dc.
Supply Current – 200 mA max.
For more information, please download the User manual of iU-4RD from our download section at https://arnin.in/downloads/.
If you have any questions send your query to our support team at firstname.lastname@example.org