Dirk van der Linden
Artesis Hogeschool Antwerpen, Department of Applied Engineering and Technology,
Division Electromechanics, Antwerp, Belgium
Abstract. During the nineties, the SP88 committee developed the ANSI/ISA-S88 standard
to improve the maintainability, flexibility, documentation (and other enhancements)
of batch control plants. This standard links sequence- and formula- management software
(on a computer platform) with control equipment (on a PLC or controller platform)
in a structured way. The S88 models are developed to be as universal as possible.
The implementation of a discrete process is treated in this paper. The presented application
proves that a discrete process can be automated based on the S88 models as well,
but the approach can differ from batching. For re-engineering an existing plant, the
Bottom-Up is a good approach in general for small applications. The application of this
paper introduces basic models and terminology of S88, and guidelines how to implement
them.
