21 September 2001
MESs: How They Work
As defined by Michael McClellan, president of MES Solutions Inc. (www.messolutions.com) in Terrebonne, Ore., core and support functions of an MES are as follows:
MES core functions
- Receive and sequence work orders
- Assign work orders to workstations according to routing and sequence
- Receive and assign inventory to work orders
and locations
- Move inventory to work or storage locations
- Collect, compile, and report data
- Respond to exceptions
MES support functions
- Time and attendance
- Maintenance
- Documentation
- Genealogy
- Performance
analysis
- Statistical process
control/Quality assurance
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