Relationship - ERP & MES Corporate Plant MRP II/ ERP MES PLC Robots/ AGV DCS Planning  When/What to make  Planned/standard lead times/ yields/wastes/costs Execution  Production management/tracking - WIP, equipment, operators  Production scheduling  Quality control/SQC  Costing  Maintenance  Management functions - Communications, reporting Control  Ladder logic  Continuous feedback  PID  Advanced control actual process conditons completion of process steps and operations, performance of equipment and raw material & operator actions production planning, scheduling recipes process setpoints operating instructions reporting or batch, production run completion ,ĭata Flow – ERP & MES MESA International-White Paper MPRII/ERP Forecasting Costing Production Planning Product Definition Process Definition SOP Human Resources Inventory Management Purchasing Distribution MES Resource Alloc./Status Operations Scheduling Production Dispatching Document Control Data Collection/Acq. The simplest model of CIM has MES as the middle ground between ERP systems and individual machine and automation controls Ĭonceptual Overview Relationship Management Enterprise Resource Planning Manufacturing Execution Systems Process Control Asset Optimisation Customer / Vendor / Employee Production Planning & Scheduling Robotics Motors & Drives Sensors & Meters Power Electronics Enterprise Management Factory Management Automation and Control Process Measurement, Actuation, Energy Distribution Enterprise Asset Management Real-Time Systems Transaction Systems Transformers Switchgear

MES provide overall control and management of the factory floor, and provide updated information to ERP systems. Terms - ERP, MES & CIM ERP systems handle financial functions, customer orders and send production requests to the factory floor. Highlights Terms & Conceptual Overview Relationship & Data Flow - ERP, MES & CIM Why MES? Business Drivers / Benefits MES Components ISA 95 MES – High Level Functionality System / Response Time MES Vendors

Manufacturing Execution Systems (MES) Why MES ? Anand Subramaniam

Manufacturing execution system