MES & planning systems depend on each other
- Effective Management Systems, Milwaukee, WI (United States)
Integrating planning systems with manufacturing execution systems (MES) creates an entity whose whole is greater than the sum of its parts. Without the data provided by MES, planning systems are functionally limited. Similarly, an MES without a planning system can`t be used to its full potential. Planning systems, such as COMMS (Customer Oriented Manufacturing Management Systems), MRP (Material Resource Planning) and ERP (Enterprise Resource Planning), constitute one of the three {open_quotes}layers{close_quotes} of information systems in an overall manufacturing management structure. They target customer-related data that ultimately plans and shapes the manufacturing enterprise. At the other end of the manufacturing management model is the control layer, which manages specific production processes, such as machinery operations. This layer is also where data collection rests. MES was developed to fill a gap between planning and controls. What makes MES key to the entire enterprise is its ability to provide the real-time information needed to effectively manage manufacturing activities. Without the shop floor information generated by MES, real-time planning really isn`t possible. The problem with planning systems in the past has been that while they do a good job planning, the plans often are not based on reality. What is really occurring on the factory floor, and what is possible, can be very dynamic. If planning is to be effective, it must have current information and the ability to factor that data into a constantly changing process. With the real-time shop floor information it provides, MES makes planning significantly more viable. Integration benefits both types of systems. For example, the real-time status that MES gives to the planning department eliminates many erroneous exception messages in the short term. This allows planners to concentrate on better medium-to-long-term planning. 1 fig.
- OSTI ID:
- 443466
- Journal Information:
- InTech, Vol. 42, Issue 2; Other Information: PBD: Feb 1995
- Country of Publication:
- United States
- Language:
- English
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