What is MES?
Manufacturing Execution System (MES); is an information system that connects monitors and controls to production systems and data flows that take place in a factory or workshop. The overall goal of MES is to ensure that manufacturing operations are carried out effectively and to improve production output. This is achieved by monitoring and collecting real-time and accurate data about a complete product life management cycle.
The abbreviation of the production management system, whose full name in English is Manufacturing Execution System, is MES. It is an all-encompassing system that regulates and monitors everything that goes on in the workplace at any one time. The process begins with a variety of orders from consumers, the MRP system, the master programme, and other sources of planning, and then it makes the goods in the manner that is most productive, cost-effective, convenient, and of the highest possible quality.
History of MES
The MES has undergone significant development. Throughout the 1970s, industrial companies began automating their accounting processes by using software programs. These apps have, during the course of their development, come to offer standardized functionality for inventory management. MRP (Material Requirements Planning) systems that were able to do material planning, material management, and production definition were available during the end of the 1970s and the beginning of the 1980s.
AMR Research was the company that originally popularized the phrase “manufacturing execution system” in 1992. The company describes a manufacturing execution system as “a dynamic information system that facilitates the efficient execution of manufacturing activities.” The first generation of manufacturing execution system (MES) models were first built to reflect a company’s existing manufacturing process in field applications.
The Manufacturing Execution System (MES) started out as a straightforward program for data collecting in the late 1980s, but it has since developed into more cutting-edge software.
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MES Core Functions
In 1995, the ISA-95 standard was developed by the American National Standards Institute (ANSI) with the mission of providing abstract models and standard terminologies for the exchange of information between business systems and production operation systems in an enterprise.
Its 11th model, published in 1997, has the basic functions of a production management system. This model showed functions including scheduling and sequencing, maintenance and quality.
In its most current form, the basic core functions of MES include:
- Data collection and collection.
- Timing.
- Personnel and resource management.
- Process management.
- Performance analysis and document management.
Manufacturing Execution System Functions
MES can work in various areas of production operation such as resource scheduling, order execution and production analysis. This ensures that production can run without human intervention and maintain an accountable and controlled production flow. A versatile, robust production management system includes functions that are crucial to plants such as;
- Data Collection: All information entry, whether manual or automated, that provides a concise assessment of the entire process.
- Labour Management: Managing the best qualities and characteristics of employees and equipment and using them in the most advantageous areas.
- Product Tracking: It is to easily supervise and manage the process within production in real time.
- Quality Control: To control the quality of the production process and to allow changes and improvement in production.
- Performance Analysis: The system analyses the whole process and identifies areas where there is no efficiency. This allows the system to move closer to the point of efficiency while the process continues.
- Maintenance Management: Inevitable maintenance that does not interfere with production is planned, thus ensuring a smooth production flow.
Implementing a production management system easily reduces waste, increases uptime and reduces inventory through various scheduling methods such as finite scheduling, queue compression and visual scheduling. MES is incredibly beneficial to large and small manufacturing operations in need of production improvement.
What Are the Basic Functions of an MES System?
In modern production environments, it is not enough to simply manufacture products; it is also crucial to monitor processes in real time, use resources efficiently, and maintain continuous quality control. MES systems are comprehensive software solutions that address these needs by digitally managing all stages of production.
Production Tracking and Real-Time Data Collection
MES systems strengthen the data-driven decision-making process by monitoring all operations on the production line in real time. Data from machines, sensors, barcode readers, or operator panels is transferred directly into the system. Thanks to this real-time data collection capability, any deviation, delay, or stoppage in production is immediately detected. This allows for intervention before problems escalate, ensuring the continuity of the process. Additionally, comparisons can be made with historical data, enabling the planning of continuous improvement steps.
Operator and Workstation Management
MES records in detail which operators are working on which stations, which products, and for how long during the production process. This allows the efficiency of the workforce to be analyzed based on objective data. Additionally, overloaded stations can be balanced, and workforce planning can be optimized. Personnel tracking through MES enables more accurate assessments of the human factor in production. This clearly reveals the relationship between labor and production output.
Quality Control and Traceability
Thanks to MES systems, quality controls are performed during production. Measurements taken at each production step are automatically collected through the system and compared with defined quality standards. If there is a non-conformity, the system immediately issues a warning and sends information to the operator or quality control team.
Additionally, traceability data such as which materials, machines, and shifts were used to produce the products is stored. These records enable accurate and swift action to be taken in the event of a recall.
Maintenance Planning and Predictive Analysis
MES systems continuously collect data on machine performance in addition to production data. This information is analyzed based on criteria such as equipment failure history, usage time, and performance values. This transforms maintenance processes from reactive to proactive. Machines with an increased likelihood of failure are identified in advance, and maintenance teams are notified to prevent production interruptions. Predictive maintenance both extends equipment life and guarantees production continuity.
Tracking of Material and Stock Movements
MES systems offer an integrated material management structure with production. Material movements are recorded at every step, from raw material input to semi-finished production and final product output. The details of which materials are used where, how much, and when can be tracked. This system establishes a strong connection between production and the warehouse. Material supply is carried out on time, and unnecessary stock accumulation is prevented. Additionally, the traceability of every component used in production facilitates compliance with quality and regulatory requirements.
Status Reports and Key Performance Indicators (KPIs)
MES systems calculate critical performance indicators (KPIs) related to production processes in real-time and present them in visual reports. Metrics such as OEE, production time, downtime, scrap rates, and efficiency enable decision-makers to assess the current situation in real-time. Through these reports, weak areas are identified, improvement plans are implemented, and a sustainable quality culture in production is supported.
MES and ERP Integration
Sustainable success in production depends on the ability to not only monitor developments on the shop floor in real time, but also to convert this data into strategic decisions. At the same time, this information must work in harmony with corporate-level planning systems. At this point, the integration of MES and ERP (Enterprise Resource Planning) systems provides a critical structure that digitally integrates production management.
ERP systems are planning platforms that manage the overall resource management of a business. They handle functions such as procurement, accounting, human resources, finance, inventory management, and production planning.
What are SAP and MES?
With the development of digital production environments, businesses need to manage high-level processes such as costs, inventory, orders, and planning in an integrated manner, starting with on-site operations. At this point, the compatible operation of global ERP (Enterprise Resource Planning) solutions such as SAP and MES systems creates significant strategic value.
SAP forms the central information infrastructure of the business with its modules covering many areas, from production planning to human resources, financial management, and logistics operations. MES systems collect and manage real-time operational data from the production floor. When these two systems complement each other, real-time information from the field makes SAP’s planning and reporting processes much more accurate and dynamic.
For example, downtime on the production line, actual production quantities, or quality control results are tracked by MES, and when this data is transferred to the SAP system, cost analyses can be performed much more accurately. Similarly, production orders created in SAP are transferred to the field via the MES system, and the actual production data is fed back to SAP. This two-way integration both improves production performance and accelerates decision-making processes.
Key Considerations in MES Applications
MES projects are not limited to software installation. For such projects to succeed, technical infrastructure, human resources, process management, and strategic planning must also be carefully addressed.
Customization Suited to Production Structure
Every business has different production flows, workstations, process durations, and quality criteria. Therefore, MES software should not be a standard package but should be configured specifically to the needs of the business. Modules and screens should be designed to suit actual operations in the field.
Involving All Stakeholders in the Process
MES is not a project that concerns only the IT or production department. The participation of different units such as quality, maintenance, logistics, and human resources in the process increases the effectiveness of the system. All departments should be informed and their opinions should be taken into account from the beginning of the project.
User Training and Awareness
The success of MES depends on operators and managers using the system correctly and effectively. Therefore, role-based training should be provided, and operators in the field should be taught how to use the system in a simple, understandable, and practical manner. Training should be ongoing on a periodic basis.
Coordination Between IT and Production Teams
Since the MES system works in integration with both field data collection devices and ERP systems, technical compatibility is of critical importance. Elements such as IT infrastructure, network connections, and database performance must be planned in harmony with production dynamics. If this coordination is lacking, the desired efficiency cannot be achieved even if the system is operational.
Implementation of a Phased Transition Strategy
Instead of implementing the system across the entire production site at once, a phased transition should be carried out by testing it in pilot areas. This allows the system’s accuracy to be tested, potential errors to be identified early on, and the rollout process to be managed more effectively. Additionally, stress tests and user scenarios must be applied before the system goes live.
Benefits Offered by MES Systems
When properly implemented, MES applications offer businesses both short-term operational gains and long-term strategic benefits.
Increased Operational Efficiency
MES systems monitor every process on the production line second by second, providing managers with complete visibility at the operational level. Parameters such as machine performance, progress at workstations, material flow, and labor utilization are analyzed in real-time, enabling the early detection of any issues in the production process.
This allows for more efficient resource planning, minimizes unexpected bottlenecks on production lines, and significantly increases overall productivity. Additionally, the data obtained enables the creation of more reliable long-term production strategies.
Rapid Detection of Errors and Ability to Intervene
Detecting quality errors in the early stages of production prevents significant costs and time losses. Thanks to MES systems, operator inputs, measurement data from quality control stations, and sensor alerts are centrally collected and analyzed in real time.
The system automatically detects defective products, measurements outside specifications, or values outside the process, significantly reducing intervention time and quickly restoring the production line to normal. This approach is considered the cornerstone of continuous quality assurance systems.
Production Continuity and Cost Control
Predictive maintenance modules integrated with MES systems analyze equipment performance and preemptively identify machines at risk of failure. This replaces unplanned downtime with planned, controlled maintenance processes. Additionally, the amount of material used during production and consumption rates are monitored in real time to prevent unnecessary stockpiling or material shortages.
This holistic control structure not only ensures the continuity of the production line but also enables the efficient management of cost factors such as energy consumption, labor, and consumables.
Advanced Reporting and Performance Measurement
MES systems collect operational data and then make it analyzable, comparable, and usable in a way that directly contributes to management decisions. KPIs such as OEE (Overall Equipment Effectiveness), downtime, product cycle time, labor efficiency, and quality ratios can be monitored in real time from the system.
Thanks to these performance indicators, production processes are continuously reviewed, opportunities for improvement are identified, and managers can make data-driven decisions without wasting time. This makes production organizations more agile and strategic.
Traceability and Auditability
In today’s production processes, transparency and auditability are of great importance not only for maintaining quality standards but also for complying with legal regulations.
MES systems digitally record every step of production. Details such as which product was produced on which machines, by which workers, during which shift, and with which batch of raw materials are stored in the system. This minimizes recall risks and ensures that external audit processes run smoothly. Additionally, this high level of traceability increases customer confidence and strengthens brand value.
Examples of MES Use in Different Sectors
MES systems provide a powerful infrastructure that adds value in a wide range of sectors by bringing flexibility and control to production processes. These systems, which can be adapted to the specific needs and regulations of each sector, provide effective solutions in many areas, including increased efficiency, quality management, traceability of production data, and legal compliance.
Automotive Sector
The automotive industry is one of the sectors that maximizes the efficiency of MES systems through high-volume production and precise assembly processes. MES supports the seamless progression of the assembly process by tracking every part on the production line.
Additionally, quality data collected during production enables the immediate detection of any deviations or errors. Modules such as VIN (vehicle identification number)-based production tracking, batch-by-batch analysis, and maintenance reminders are of critical importance, particularly for OEMs and Tier-1 suppliers.
Food and Beverage Industry
Food safety is one of the most critical issues in this sector. MES systems track all stages of the production process on a lot basis, recording which product was produced when, with which raw materials, and under what conditions. Environmental data such as temperature, humidity, and hygiene controls are also tracked through the system.
This ensures compliance with legal regulations and enables quick action in the event of a recall, thereby protecting brand reputation.
Pharmaceutical and Medical Sector
MES plays a critical role in ensuring compliance with international regulations such as GMP (Good Manufacturing Practices) in pharmaceutical and medical production. Detailed process records are kept for each production batch, and all quality controls performed during production are monitored in real-time.
Additionally, features such as electronic signatures and approval workflows enable compliance with the requirements of regulatory bodies like the FDA or the Ministry of Health/TİTCK. In this highly regulated sector, where product safety and traceability are strictly monitored, MES systems form the foundation of the digital production infrastructure.
Electronics and High-Tech Sector
Production processes in this sector involve highly complex and sensitive steps. MES systems minimize error margins by recording even micro-level production variables. Critical information such as test data, quality measurements, and component history is tracked in detail through the system.
At the same time, full traceability is provided to identify the source of any faults that may occur throughout the product life cycle. This improves product quality while also providing valuable data flow to R&D processes.
Aviation and Defense Industry
In these sectors, managing production processes requires an approach that goes beyond technical skills. Compliance with legal regulations and adherence to safety standards must be meticulously monitored at every stage of operations.
MES systems record every screw, part, weld, and assembly step in the production of aircraft parts or defense industry products in detail. Critical systems are fully documented, including when and by whom they were produced and what tests they underwent. Maintenance planning, validation processes, and high-precision quality control requirements can be managed flawlessly with the MES infrastructure.
Frequently Asked Questions
Are MES and SCADA the same thing?
While SCADA controls field devices, MES manages processes and performs data analytics.
Can MES be used in small-scale businesses?
MES solutions, which are scalable, can be adapted to small and medium-sized manufacturers.
How long does it take to complete MES installation?
Depending on the scope of the project, it typically takes between 2 and 6 months to complete.
Is MES only applicable to production?
While primarily used for production, it also offers integrated solutions for support processes such as maintenance, quality control, and material movement management.
Benefits (Advantages) of Manufacturing Execution System
Some advantages of the production management system are listed below:
- – Reduce Production Cycle Time
- – Reduce Work-in-Process
- – Reduce Lead Time
- – Improve Product Quality
- – Improve Customer Service
- – Reduce Installation Cost
Although a manufacturing execution system is highly advantageous, it is not enough on its own to successfully optimise production. While project managers are looking for ways to further increase production, many consider advanced planning and scheduling (APS) systems to be a viable solution.
How MES and ERP work together?
Both MES and ERP (enterprise resource planning software) have the ability to work together. Since both software bring different features to the forefront, using them together will help you to better finalise your business. Both software can be integrated, which can improve operational clarity and equip organisations with the ability to monitor and adjust performance according to business plans.
ERP knows why decisions need to be made and MES knows how to make these decisions.
Contact us for detailed information about mes software or for installation in your existing business. Let’s calculate together what your company will gain in the short term and long term. Remember, there is no initial setup fee in the mes system we install.
