Trucks, gates, loading bays, tanks, field devices, enterprise resource planning (ERP) systems, and control systems all need to work together. For terminal teams, this creates a familiar challenge: where should one system stop and another begin?
At first, this may sound like a technical question.
Which system controls the gate?
Which system sends a signal?
Which interface is needed?
These questions matter. But they should not be the starting point.
The better question is: which system has the context to make the right decision?
In daily terminal operations, every action depends on meaning. A call-in panel does not simply show a message. It guides a driver through a process. A barrier does not simply open. It confirms that the next step is allowed. A tank level is not only a measurement. It enables planning, quantity calculation and stock reconciliation.
This distinction becomes especially important at the convergence of IT and OT, where the TMS connects business processes with terminal operations and physical execution through the DCS and other OT systems.
In practice, this landscape often includes supervisory control and data acquisition (SCADA) systems, programmable logic controllers (PLCs), weighbridge systems, access control, loading automation, ERP, and other specialized applications. They all contribute important information. But they should not all lead the same decision. For each process step, the leading system should be the one that has the right context, authority, and responsibility.
Each layer has a role. Each layer has strengths. And each layer needs clear responsibility.
The TMS brings together the operational and business view of the terminal. It connects orders, visits, vehicles, products, routes, quantities, stock, documentation, and compliance requirements. It understands why something should happen.
The DCS and OT layer are essential for safe physical execution. They supervise field equipment, manage technical permissives, visualize field states, and support real-time control. They ensure that actions can happen safely.
Both roles are critical. But they are not the same.
This is not only an OpenTAS view. It reflects a broader direction in industrial operations. Frameworks such as ISA-95 support the clear separation of business planning, operations management, and control functions. NIST guidance on OT security also highlights the specific reliability, performance, and safety needs of systems that interact with the physical environment.
For terminal operators, the practical message is clear: more integration alone will not solve complexity.
In many cases, it can create more of it.
Interfaces multiply. Responsibilities blur. Workarounds become normal. Over time, this makes operations harder to understand, harder to secure, and harder to improve.
The OpenTAS platform strategy follows the same principle. It creates a unified operating layer for terminal operations, aligning planning, execution, and data across the process. Specialist systems remain focused on their specific tasks, while OpenTAS keeps the operational flow clear, consistent, and scalable.
OpenTAS brings terminal process logic into one consistent view. During loading and unloading, OpenTAS turns this shared context into coordinated process steps, automated checks, and clear resource assignments.
The system combines the current process status with the availability of tanks, routes, loading infrastructure, and other assets. This gives terminal teams a reliable basis for determining what can happen next.
Automated workflows can move loading and unloading forward without repeated manual checks. OpenTAS provides the process context required for safe execution, while the DCS remains responsible for physical control in the field.
This separation avoids duplicated rules across different systems. It reduces manual handovers and lowers the risk of conflicting decisions.
Asset availability also becomes part of daily planning. Operators can see how tanks, routes, loading infrastructure, and other resources support current and upcoming movements. This helps teams use capacity more effectively and identify bottlenecks before they disrupt operations.
The benefit is practical: smoother workflows, fewer manual checks, better use of available assets, and a clearer view of daily operations.
OpenTAS does not connect systems for the sake of connection. It brings processes, data, and operational layers together with a clear purpose.
The result is reliable terminal operations that are easier to manage, scale, and improve.
This is what automate to elevate means in practice: automation that reduces coordination effort and helps teams keep the terminal moving.
Harald Wentsch, CEO OpenTAS, has been named one of the Top 100 Tank Storage Influencers.
OpenTAS 365 unifies terminal operations to remove complexity and enable scalable performance.
OpenTAS and TrackonTrade by Deloitte win bronze at the Global Tank Storage Awards 2026.
OpenTAS 365 delivers a unified operating layer for terminal operations, integrating planning, execution, and data to remove complexity and enable scalable, secure performance.
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