The new benchmark for PLC programming
The Selmo Standard is a cross-industry approach to fully defined machine programming. It defines all machine states 100% and ensures that the PLC code always aligns with the process model. This guarantees maximum transparency, high traceability, and increased efficiency in automation.
Technical Specifications & Features
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Logic Layer
The Logic Layer describes the machine process in a structured, graphical form. It defines workflows using five modeling elements and connects sequences via the Cross Sequence Sender and Receiver Step. This results in a transparent, seamless, and traceable process modeling, serving as the foundation for automatic implementation.
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System Layer
The System Layer defines the plant structure and controls what is switched on and off and when. Through systematic zone division, inputs and outputs are clearly managed, enabling efficient control and monitoring of processes. This ensures a consistent and traceable machine logic.
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Functions
A library of preconfigured, customizable function blocks enables efficient integration into machine control. The integrated editor offers flexible expansion options to precisely implement specific requirements.
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Continuously Monitored Zones (CMZ)
Safety-critical zones are continuously monitored at the plant, hardware, and sequence levels. In the event of a fault, shutdown is carried out in a structured and targeted manner for the affected plant section to ensure a safe and controlled stop.
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Program Structure
The consistent structure ensures that the programmer is guided through the entire process, regardless of the machine type. This reduces onboarding time and increases maintainability.
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Monitoring and Diagnostics
The PLC program monitors every machine movement in real time. In case of deviations, immediate error detection interrupts automatic operation in a targeted manner to prevent damage or malfunctions. The deviation is displayed on the HMI with bit-level accuracy.
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Automatically Generated HMI
The HMI is automatically generated based on the defined machine logic. This ensures a consistent and structured user interface, reducing engineering effort while enhancing usability and clarity.
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Operating Modes
Three operating modes – Automatic, Manual, and Single Step – are preconfigured and automatically generated. This allows for direct use without additional programming effort and ensures a standardized machine control.
Maximum efficiency and safety in production
The Selmo Standard ensures uniform software, independent of software and control system suppliers. A consistent operating concept simplifies handling, while errors and deviations are automatically detected and reported. This increases production safety and minimises unplanned downtime.
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