MES

ARTICLE METADATA Term: MES Field / Domain: Manufacturing / Software & Systems Last Reviewed: August 2026 1. TERM HEADER MES (Manufacturing Execution System) Abbreviation: MES Domain Tags: [Manufacturing] [Software] [Execution] 2. CONCISE DEFINITION A Manufacturing Execution System (MES) is software that tracks and controls production on the shop floor in real time — capturing what is being made, on which machine, at what rate, and with what result, as it happens. 3. EXPANDED DEFINITION MES sits between top-floor planning (ERP/MRP) and the machines themselves. It records production as it occurs, enforces the routing, collects quality and downtime data, and gives supervisors a live view of the floor. Where ERP plans the work, MES executes and measures it. 4. HISTORICAL TIMELINE 1990s — MES emerges to close the gap between ERP plans and machine reality. 2000s — OEE and downtime tracking become standard MES capabilities. 2010s — MES connects to machine controllers via standards like OPC-UA. 2020s — Real-time object tracking turns MES from a reporting tool into a live control system for throughput. 5. HOW MONITORZ DELIVERS MODERN MES MonitorZ delivers execution built around live object velocity. [Real-time production tracking](/shop-floor-data-collection) captures work as it happens, the [OPC-UA Data Pipeline](/opc-ua-data-pipeline) streams data straight from equipment, and [Factory GPS](/factory-gps) shows where flow is slowing. [Work Order Management](/work-order-management-software) ties execution back to the plan. Deployments have raised production up to **133% within 120 days** across **500+ implementations**. Explore the [Solutions overview](/solutions). 6. FREQUENTLY ASKED QUESTIONS (FAQ) Q: What is a Manufacturing Execution System (MES)? A: An MES is software that tracks and controls production on the shop floor in real time, recording what is made, where, how fast, and with what quality. Q: What is the difference between MES and ERP? A: ERP plans the business and the production schedule; MES executes and measures that production on the floor. MonitorZ connects both with live data. Q: How does MonitorZ provide MES capability? A: MonitorZ captures shop-floor activity in real time through scans and machine signals, giving a live picture of execution and the constraints limiting throughput. 11. RELATED TERMS AND CONCEPTS Shop Floor Control, Real-time Production Tracking, Work Order, Throughput, OEE.