24 Channel, 2 Amp Relay, 24 Channel Digital Input, USB Relay Controller

  • 24-ch, 2 Amp Relay Module
  • 24-ch Digital Input
  • Wide Voltage Input Range
  • GND or Positive Activating Signals
  • 24-ch 'Dry-Contact' Inputs
  • 24-ch 'Wet' Digital Inputs
  • Watchdog Protection
  • Open Source Code Sample
  • Transparent Daisy-Chain ready
  • DIN-Rail mounting ready


The IA-3127-U is an intelligent 24-ch USB Relay Controller, with 24-ch Digital Input and multi-drop operation capability, in the original IA- 3131 foot print. The IA-3127-U is an Industrial grade relay controller, easy operated, supported by a simple, yet, powerful command set. Rich software support, including open source code samples, setting and control utilities makes it fast and easy adapted device. The IA-3127-U is part of the IA-3000 Series. This series include Relay controllers, Digital and Analog controllers, usually equipped with RS-232/485, IP or wireless communication ports.



Mounting DIN-Rail 214mm