Relay Interface Analog to Digital Status Input Support Contact Us EECI Home Page View Cart

AR-8RH Relay Interface

RS-485 Relay

AR-8RH Relay Interface........$ 164.95 Quantity  

ACCESSORIES
Click the add button to add accessories, then click BUY

CO-485USB USB to RS-485 Co$ 44.95 Quantity  

/A232-422 RS-232/RS-422 Opt$ 10.95 Quantity  

/L LED Option......................$ 9.95 Quantity  

View Options

Additional Accessories


  • Connects to USB or RS-422/RS-485 - distances to 4,000 feet - up to (32) AR-8RH units may be multi-dropped on a single pair RS-485 line.
  • Convert USB to RS-485 using the CO-485USB USB to RS-485 converter
  • May be ordered with dual interface mode allowing both RS-232, RS-422 and USB connections
  • May be connected directly to Internet or LAN using CO-LAN Ethernet to RS-232/RS-485 Device Server
  • Expandable to control up to 128 relays. Each AR-8RH may be set to the required address
  • (8) Relays, AR-8RH contacts are SPDT rated at 12 amp 250VAC
  • Available with optional LED indicator lamps for each relay (shown above)
  • Includes free Windows Desktop Control software and free Remote Network Control software (both Windows and Android)
  • Use the SW-A Load Programmer software for 7 day time control of relays
  • LabVIEW compatible, includes LabVIEW VI and graphic software example
  • Compatible with all versions of Windows including XP, Vista, Windows 7, Windows 8.1, Windows 10 and Windows 11
  • Source code examples included on CD in Microsoft Visual Basic, C#, C++, Python and others
  • Full technical support provided by on staff advisors
  • Cables and power supply sold separately
  • Android Compatible - Use with your Android tablet or phone - connects directly to USB port or controllable over network (Mobile, LAN, Wi-Fi or Internet)
  • Connect your AR-8 Relay Interface to your Android tablet or phone's USB port! Click the Android for more info about the free Android App...

Android Relay Interface

AR-8RH Description and Spec

AR-8RH Technical Reference

AR-8RH Remote Desktop

AR-8RH Software Download

View All Relay Products


Electronic Energy Control, Inc.
14960 Maple Ridge Rd
Milford Center OH 43045-9016

TOLL FREE (24 hour order line)
(800) 842-7714

Technical Support (937) 349-6000
Internet Email cst@eeci.com

Copyright ©1996 - 2024 Electronic Energy Control, Inc.
All Rights Reserved
Document End