Abstract
With the novel module PP-PI, the standard software SAP-R/3 offers the opportunity to control and coordinate business processes on the plant floor. The functionality of this module covers different working fields such as material management, process order management or quality management and it contains some elements of batch control. These functionalities are embedded in the business functions of SAP-R/3. SAP also offers standard interfaces to lower level systems, as DCS or LIMS. Altogether it may be considered as backbone of a Manufacturing Execution System (MES) with a strong integration into the business world. In the application part of the contribution, experiences from implementation projects in chemical production will be reported. In the more theoretical part, the relationships between the recipe-model of SAP-R/3 and of ISA-S88 and the resulting application scenarios of PP-PI in batch control applications will be discussed. Also, general experiences with SAP-implementations, which are critical for the success of an MES-project with SAP, will be reported. Finally, a future MES-scenario will be discussed. As the backbone of a manufacturing execution system SAP will cooperate with specialized, technically oriented subsystems, as for example SCADA systems, batch control systems, scheduling systems and LIMS.
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