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Triangle Research International (TRi) 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 - To-date more than half a million copies of the educational version of this popular software have been downloaded by enthusiastic users!