When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity and usefulness of ladder diagram programming. Their ability to accept programming in ladder ...

THE use of function blocks for programming of programmable logic controllers (PLCs) is gaining wider acceptance. Rather than the classic “contact and coil” representation of ladder diagram or relay ...

IEC 61131-3 programming has had a large impact on the high-performance motion industry. Learn how the language and standard relates to your design work. Since the mid 1990s, substantial efforts have ...