Basic Engineering/Functional Description

We plan our process flows in a graphical format based on EN 60848. This is used to describe a process sequence together with its function groups, individual steps, control steps, step enabling conditions, interlocks and start conditions.

This simple description of the control sequences has the advantage that anyone working on the plant can easily follow and comprehend the sequences and dependencies of the process engineering.

We describe individual release conditions and interlocks in a text format or decision matrices, allowing for a simple overview of all the processes that are important for protecting the plant.

The description in this format can also be incorporated into the operating manual.

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