πŸ”· Process modeling with Selmo – Inputs, activities, outputs

πŸ”Ή 1. Inputs – What is needed?

Category
Description

process description

Rough sequence from the PTF phase (e.g. loading β†’ clamping β†’ machining β†’ unloading)

Functions & Conditions

Logically formulated functions (e.g. β€œclamp when part detected”)

Signal overview

Complete list of inputs and outputs, sensors, actuators, manual buttons

Zoning concept (draft)

Initial grouping of signals into zones (Input, Output, In-Out, Mem)

Parameter list

Times, positions, repetition counts, tolerance values, etc. from the PTF

Operating mode specifications

Which operating modes are required (manual, automatic, setup mode)

Safety requirements

Requirements for interlocks, monitoring, locking (CMZ, MXIC)


πŸ”Ή 2. What is done? (Activities in the modeling)

Step
Description

Build sequence

Logical flow with states, transitions, decision points

Assign zones

Assign signals to states via zones

Define bit control

Define behavior of each zone per state (0, i, S)

Integrate safety logic

Create CMZ, MXIC, pair-check

Link parameters

Insert parameterizable values and integrate them into the flow

Add sequence cross

Synchronization between sequences if needed

Check completeness

Define logic and system layers completely, check for consistent flows


πŸ”Ή 3. Outputs – What is the result of the modeling?

Result
Description

βœ… Finished sequence(s)

State-based model with clear process structure

βœ… System layer with bit control

Each zone is fully linked to the logical flow

βœ… Safety functions integrated

Error response, interlock logic, operator protection integrated

βœ… Parameterization implemented

Time values, switching points, etc. centrally configurable

βœ… Export-ready model

Handover to PLC, HMI, diagnostics, simulation possible

βœ… Basis for automatic code generation

Everything is documented traceably in a model-based way

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