Siemens Opcenter APS has been specifically developed to help manufacturers react quickly and intelligently to unexpected changes. While also being able to respond to shorter lead times and satisfy customer demands. This production planning and scheduling software is the perfect fit for small, medium and large manufacturing companies. It calculates achievable production schedules using advanced algorithms that balance demand and capacity to generate achievable production schedules.
Manufacturers cannot react quickly to changes without planning & scheduling software. The time it takes to generate a schedule using spreadsheets can take hours or even days and it can be difficult to maintain. If there’s an unexpected change it’s often not easy to generate a new schedule.
Opcenter APS is an essential tool for companies who want to enhance competitiveness, increase profits and improve customer service. Effective purchasing of economic quantities of raw materials and timely use of this raw material is key to reducing one of the greatest production problems, unnecessary high stock levels of both finished product and raw materials.
Siemens Opcenter APS software is designed to aid you in long and mid-term planning. This means that the availability of resources, additional constraints, such as tooling, and materials are all taken in to consideration during the scheduling process to ensure an accurate model of your environment. Orders can be scheduled quickly using intelligent built in rules and the planner can also manually interact with the schedule to make changes based on their experience or new information.
With planning & scheduling software decisions about major production capacity decisions surrounding extending the work force, resource capacity, and factories are all taken into account. It helps you determine what and how much to make, where and when to make it, and exactly what materials and resources are required.
Planning can be executed in finite or infinite capacity mode and planning time periods can be days, weeks, months, or a combination of all three. If used together with our advanced scheduling system, detailed production schedule information can be sent back to the planning system to override planned volume with scheduled volume. Master Production Schedule (MPS) can then be re-calculated using production schedule as the base for new results.
BOM level planning – The planning Bill of Materials (BOM) can be exploded, and then the production plan for lower level items is calculated in the same way. Based on the MOM explosion and the production plan, proposed material purchase requirements can be exported to an ERP system or Excel for action.
Interactive Scheduling – Once an initial Master Production Schedule (MPS) has been created, data can be displayed as stock profile graphs and capacity usage graphs. The MPS can be changed by simply clicking and dragging a point on the stock or capacity graphs, and the production of a particular item can be moved from one planning period to another. Any changes made will be reflected in all the linked plot and grid windows.
Make-To-Order Planning – In a make-to-order environment, stock levels of finished and intermediate items will not be part of the key process parameters. But there will still be the need to evaluate the effects of future demand changes on the manufacturing process. When a change in demand occurs, whether in terms of quantity or delivery dates, there is a need to be able to quickly assess if it is possible to meet the new requirements.
Make-to-Stock Planning – Generate accurate and achievable master production schedules (MPS) considering rough cut capacity, pack forward figures, target days of stock cover, manufacturing preferences, minimum and maximum re-order quantities, re-order multiples and product shelf life. Production capacity can be specified as a quantity, duration or weight. By using the Preactor calendar system capacity, production capacity can be varied over time. The capacity available then limits the production volume created in each period.
Advanced Scheduling software is an interactive, multi-constraint scheduling system. Availability of resources and additional constraints, such as tooling and materials, are all taken into consideration during scheduling to ensure an accurate model of your environment. Orders can be scheduled quickly using intelligent built-in rules, and the planner also has the ability to manually interact with the schedule to make changes based on their experience or new information.
Advanced Scheduling provides decision-making support for overtime, order prioritisation, split production batches, due date negotiation and order processing.
Advanced Constraint Modeling – 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.
Advanced Material Handling – Implement custom rules about how materials are consumed to ensure that sub-assemblies and raw materials are consumed according to business rules. When allocating materials, the system filters and ranks data to allow quality-related or customer-specific material usage constraints to be accounted for.
Advanced Scheduling – Define additional schedule optimization rules to deal with problems such as minimizing changeover times, preferred sequencing and campaigning. Composite rules can be built with the SIMATIC IT Preactor workflow tool.
Assembly Process Visualisation -Visualise the 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. See where shortages will occur and choose to keep them as a constraint, or ignore them.
Development Environment -Gives access to the full flexibility possible. Database schema and constraint model can be altered as required, including adding tables and fields. Create custom scheduling rules to solve specific scheduling problems and custom data manipulation tools for use with the workflow engine.
Interactive Schedule Viewing -Allows interaction with the schedule, but changes cannot be saved. Viewers can be used in the sales office to track the progress of orders and carry out order inquiries against a read-only copy of the published schedule. Management can use them to compare actual times with scheduled completion times to assess performance of the production process. Viewers can be used on a shop floor PC to provide the cell supervisor or machine operator with up-to-the-minute work-to-lists generated by the scheduling system.
Order Based Multi-Constraint Scheduling – Create order based schedules and apply a ranking or weighting in order to prioritize orders. The software schedules based on availability of resources, additional constraints and materials required for the order. Create schedules taking 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.
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