A manufacturing execution system (MES) can be defined as a collection of business processes providing event-by-event, real-time execution of planned production requirements. However, market ambiguity and functional overlap with enterprise resource planning systems obscure what an MES can bring to an enterprise.
enterprise planning level. From electronic production management systems to shop floor data capture, MES functions manage operations from point of order release to manufacturing, to point of product delivery to finished goods. A narrow definition of MES is that it serves as a work order–driven, work-in-process (WIP) tracking system that manages and monitors production events and reporting activities. It captures “live” information about setups, run times, throughput, yields, etc., allowing managers