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 is a framework for standardizing PLC programming. In particular, it outlines the concept of reusable function blocks. The standard defines function blocks for specialized control functions.

The Rexroth IndraDrive M digital-drive system combines servo drive and frequency-converter technology in one platform. An optional drive-integrated PLC onboard, plus built-in safety technology, and ...

Functional programming is a coding style that emphasizes ideas such as composition from simple building blocks, immutability of data structures and the use of functions as data. In recent years, ideas ...