Part 3 of the guideline defines and classifies terms and performance parameters of tuning systems. Tuning systems could be designed as independent or integrated products.
VDI/VDE 3696 Blatt 1-1995 Manufacturer independent configuration of digital control systems - General aspects of manufacturer independent configuration
VDI/VDE 3696 Blatt 2-1995 Manufacturer independent configuration of digital control systems - Standard function blocks
VDI/VDE 3696 Blatt 3-1995 Manufacturer independent configuration of digital control systems - Syntax of function block text