what is mes
Ellucian. A manufacturing execution system (MES) is a control system for managing and monitoring work-in-process on a factory floor.An MES keeps track of all manufacturing information in real time, receiving up-to-the-minute data from robots, machine monitors and employees.lthough manufacturing execution systems used to operate as self-contained systems, they are increasingly being integrated with enterprise resource planning (ERP) software suites. The goal of a manufacturing execution system is to improve productivity and reduce cycle-time, the total time to produce an order.