Triangle Research International -
PLC Specialists for Automation and OEMs

Triangle Research International specializes in manufacturing programmable logic controllers (PLCs) that are designed for embedding into OEM applications. Our family of no frills, PCB style Ethernet-equipped Super PLCs provide a complete array of high-value solutions for any OEM manufacturer's needs.

More importantly, our highly acclaimed i-TRiLOGITM Ladder+BASIC software reduces programming of complex control tasks on these Super PLCs into a few simple keywords. i-TRiLOGI's ease of use, coupled with its built-in simulator makes it a software of choice for many educational institutes. Today, more than half a million copies of the educational version of this popular software have been downloaded worldwide.


TRi Corporate History (From 1993 - ) - Click here to view

News & Announcements:

August 15th, 2013

We have added a new packaging application from Fidalgo Bay Coffee to our Application & Industries page... <Read More>


July 9th, 2013

We are pleased to announce the official release of our 3 latest PLC peripherals... <Read More>