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Sequential Function Chart · Sfc

Bake & cool concurrent batch (SFC) — Sequential Function Chart

Simultaneous-branch SFC of a batch oven that bakes (15-minute D-qualified action) and cools the chamber jacket (5-minute L-qualified action) concurrently after a heat-up phase. Both branches must complete before the converge bar fires. Exercises the IEC 61131-3 §6.5.4 double-bar simultaneous divergence and time-parameterized action qualifiers.

Type Sequential Function Chart (SFC)Standard IEC 61131-3:2013 §6.5Engine schematex-sfcUpdated 5/26/2026
Sequential Control
Bake & cool concurrent batch (SFC)
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The request

“Create an SFC that starts heating when a batch is ready, then bakes for 15 minutes and cools for five minutes in parallel, completing when both are done.”

Then tryAdd a preheat step before the parallel branches.Change the bake duration to 20 minutes.
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