PREACTOR AS - Advanced Scheduling Systems

PREACTOR AS includes Standard, Professional and Ultimate versions that deal with the management of scheduling problems based not only on the optimization of resources but also on the management of scheduling rules and constraints due to material availability and BOM.

Preactor AS features a whole new level of in-software customization, putting the power to change the way the system looks directly in to the user’s hands.  This includes a new data editor grid that allows custom sorts, filters and grouping to be applied and enables the fields displayed to be selected whilst viewing the data.  In addition there is a powerful table and field editor tool which enables changes to the table and field names, re-designing the dialogs and setting the display attributes of the fields delivery estimates in an instant.

The possibility of Preactor AS versions to connect with MRP/ERP and to manage purchase orders, stock levels and link between orders, makes Preactor a complete and powerful tool for a strategic production scheduling.


Preactor AS Standard uses order based scheduling to which the user can apply a ranking or weighting in order to prioritize the orders. It schedules based on availability of resources, additional constraints and the materials required for the order. During the scheduling process, Preactor AS Standard can take in to account different operation run speeds on different resources, use sequence dependent changeover times based on operation attributes and allow overlaps and slack time between operations.

PREACTOR AS Professional
Preactor AS Professional has a number of additional schedule optimization rules to deal with problems such as minimizing changeover times, preferred sequencing and campaigning.  Composite rules can also be built with Preactor’s workflow tool.  At Preactor AS Professional level the user is also able to implement customer specific rules about how materials are consumed and visualize their assembly process from raw materials through to finished goods and sales orders in the Material Explorer. This shows a graphical view of the material dependencies as well as plots of stock levels over time.  The user can see where shortages will occur and choose to keep them as a constraint or ignore them. In addition to this Preactor AS professional can model advanced resource constraints, such as rules about concurrent rule usage, and advanced inter-operation constraints including limits on the time between operations and how much operation times can be extended by.

Preactor AS Ultimate includes a developer license (Preactor Ultimate Access) which gives access to the full flexibility that is possible with a Preactor system.  The database schema can be altered as required, including adding tables and fields, and via the Preactor programming interfaces it is possible to create custom scheduling rules to solve specific scheduling problems and create custom data manipulation tools for use with the Preactor workflow engine.

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