When people in manufacturing hear the term MES, many still picture a screen displaying machine statuses, OEE dashboards, or downtime reports. However, that is far from the primary reason why manufacturing companies should invest in an MES.
Production managers do not necessarily need another dashboard. What they truly need is smoother production operations. They need to reduce downtime, ensure that people receive the right information at the right time, and resolve issues before they bring production to a halt.
This is precisely where the difference lies between a system that merely collects data and an MES that genuinely helps manage production. After all, the acronym itself says it all: Manufacturing EXECUTION System.
The biggest downtimes are not caused by machines
When companies analyze the causes of downtime, attention is often focused on equipment failures. In practice, however, a significant portion of production losses originates elsewhere:
- The machine is waiting for a setup change.
- The setup technician is unaware that the current production run is nearing completion.
- Maintenance is informed about a problem too late.
- Quality personnel are not called in time to approve production release.
- Logistics has not prepared the required material.
- The technology is ready, but coordination between people is missing.
These are not technical problems. They are production management problems. And this is exactly where modern MES systems create value.
Automating production management instead of relying on calls and manual coordination
In most manufacturing companies, an enormous number of processes are still handled manually. A supervisor calls a setup technician. The setup technician searches for a maintenance technician. An operator reports an issue to the shift manager. The production manager walks through the shop floor to determine the current status.
Every one of these steps consumes time. Every one of them creates opportunities for mistakes. A full-featured MES can effectively automate a large portion of this communication.
A typical production scenario
As a production batch approaches completion, the system automatically notifies the setup technician that the next production order must be prepared within the next ten minutes. The notification can be delivered via PDA, mobile application, SMS, pager, or another communication channel. If a machine failure occurs, the MES automatically creates a maintenance work request. If first-piece or periodic quality approval is required, the system automatically calls the quality inspector. If the request is not resolved within the specified timeframe, the system escalates the issue to the responsible supervisor.
Information reaches the right people without phone calls, emails, or unnecessary delays. The result is not only greater convenience. The result is faster response times and reduced downtime.
Production must react before problems occur
Many companies today are very good at analyzing yesterday’s problems. The question is: what value does it provide to know that a machine was down twelve hours ago? The real value comes from being able to react before production stops.
This is why modern MES systems work with real-time events and online production data. The system:
- knows which production order is currently running,
- knows when it will be completed,
- knows which operation comes next,
- knows who must be prepared,
- automatically triggers the necessary processes and workflows.
Production management thus moves from a reactive approach to a preventive one.
Data only creates value when it leads to action
This does not mean reports are unimportant. On the contrary. Modern MES solutions allow companies to analyze:
- Machine and workstation OEE,
- Operator performance,
- Downtime causes,
- Production productivity,
- Scrap rates in both units and monetary value,
- Trends of key performance indicators over time.
However, it is essential to understand the true value of data and not stop at analysis alone. A report by itself will not improve production performance. A chart will not eliminate downtime. A dashboard will not reduce setup times. Data only has value when it drives specific actions. That is why MES should first and foremost be viewed as a production management tool and only secondarily as a reporting and analytics tool.
MES Is not software — It Is a production management philosophy
Companies that achieve the greatest benefits from MES implementation do not treat it as a one-time IT project. They use it as a platform for continuous improvement. Over time, they add new:
- workflows,
- automated processes,
- management rules,
- notifications,
- escalation mechanisms,
- user scenarios.
Simply put, it becomes a flexible toolbox. Companies configure as many processes as they need, exactly the way they want them, observe how they perform, continuously refine them, add new ones, adapt to changing production requirements, and prevent recurring mistakes.
Each improvement delivers additional time savings, further reductions in downtime, higher efficiency, improved quality, increased productivity, workforce optimization, and lower audit costs.
APS as part of automated production management
Automation does not begin on the shop floor. It starts with production planning and scheduling. Today’s production planners must manage an enormous number of constraints. Again, the challenge is not collecting data but effectively utilizing it. This is another example of how modern technologies can be applied intelligently.
Creating production schedules manually is becoming increasingly difficult. Integrating the right APS (Advanced Planning and Scheduling) solution into the manufacturing management system can generate an optimized production schedule within moments while simultaneously simulating the impact of changes—often far more effectively than the human brain can.
As a result, manufacturers gain much more than a better production plan. They gain the ability to respond rapidly to change without chaos or improvisation, while also reducing dependence on specific planners and their individual know-how.
Lessons from everyday practice
Every day, I see Czech manufacturing companies investing in and adopting the latest technologies. They digitalize processes surrounding ERP systems and are increasingly interested in AI. Yet many of them still manage production in essentially the same way they did thirty years ago. At best, some companies implement simple tools for data collection, basic KPI calculations (such as OEE), and labor reporting—systems that present themselves as MES solutions without delivering the full capabilities of a true MES.
At the same time, I must acknowledge that the situation is gradually changing.More and more companies are beginning to view MES as a standard tool for production management and continuous performance improvement. At that point, all that is required is the courage to pause, look around, learn how successful manufacturers operate, and ask whether there might be a better way.
Our recent projects confirm this trend, including those in which we replace MES solutions from other vendors with our proven, full-featured MES PHARIS platform. It is highly rewarding to observe the benefits that customers achieve through a modern production management system and to support them as a long-term partner in its continuous development.
Conclusion
Today, simply monitoring production is no longer enough. It is not enough to know what happened yesterday. It is not enough to collect data. Manufacturing companies need systems that help coordinate people, prevent problems, and automate routine decision-making.
That is why MES should not be viewed primarily as a data collection tool. A true MES collects data mainly to use it for automated, real-time production management. This is where its impact on manufacturing performance originates—and why it remains one of the fastest-return investments in modern industry.
In the second quarter of the 21st century, MES has become a clear standard for managing most manufacturing operations. It is not overly complex. Companies simply need to stop being afraid of it. MES is not a solution only for large enterprises. It is an essential step toward maintaining competitiveness. The best inspiration comes from successful manufacturers that can no longer imagine running production without an MES.
Tomáš Hradský
CEO, PHARIS
