Terminology

MES and manufacturing operations glossary

Short definitions of common manufacturing-execution terms.

APS

Advanced Planning and Scheduling; software for capacity-aware planning and sequencing.

Genealogy

Structured relationship between consumed material, process history and produced material or serials.

HMI

Human-Machine Interface; operator interface close to a machine or process.

ISA‑95

Enterprise-control integration standards framework also adopted internationally as IEC 62264.

MES

Manufacturing Execution System; software supporting manufacturing execution and operational records.

MOM

Manufacturing Operations Management; broader concept covering production, quality, inventory and maintenance operations.

OEE

Overall Equipment Effectiveness; commonly Availability × Performance × Quality.

PLC

Programmable Logic Controller; industrial control device used close to equipment/processes.

SCADA

Supervisory Control and Data Acquisition; supervisory monitoring/control layer.

WIP

Work in process; material or units that have entered production but are not yet completed.

Work center

Logical or physical production resource grouping used for planning/execution.