Parameter types

2.4 Types of parameters and usage

Parameters extend the model with data values (not just binary states).

direction
Meaning

IN

user-adjustable (e.g. cycle time)

OUT

measured or determined by the system (e.g. actual time)

INOUT

combinable (e.g. teachable values)

Parameters are used for:

  • sequence control (e.g. timer state)

  • HMI display and input

  • export via OPC UA / SCADA / control system

This structure makes Selmo clear, consistent, scalable – and it is fully verifiable and documentable.

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