CJ international welcomes you to the soft logic open world

CJ International was founded in 1990 by a team of software engineers specialized in the development of soft logic tools that bridge the gap between microcomputer systems and PLCs. The software products offered by CJ International are based on industry standards. They bring modern PLC programming techniques to industrial microcomputers. CJ International is committed to providing innovative solutions that lead the way to the next generation of open PLCs according to IEC 61131 standards and mainly the chapter 3. The author charts the historical development of the ISaGRAF soft logic product with the development of IEC 61131-3 standard.