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Try Catch

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Error Handling in SIMATIC AX - TRY/CATCH from a TIA Portal Lens

June 1, 2026 — Article 16 of the Studying SIMATIC AX series. The current tested SIMATIC AX ST compiler rejects general TRY/CATCH, so expected PLC fault conditions still need deterministic guard/report/recover logic, safe defaults, and alarm/status reporting.