While importing HMI tags the whole TIA Portal crashed. An unsaved block and watch-table import was gone and the project was locked for two minutes. This must not happen again.
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David · PLC Sidecar 作者
PLC Sidecar 团队
PLC Sidecar 团队
开发日志
TIA Portal crashed while importing HMI tags
Cause: one tag had its data type written in a form TIA does not expect (the string length inside the type name). TIA returned an error and right after that the process disappeared.
Fix:
- The app checks HMI tags before importing and rejects such entries.
- It saves the project before every HMI import, so a crash no longer wipes anything.
- It watches whether TIA is alive: instead of a silent "no project" it reports "TIA crashed" and reconnects to the project after a restart.
From the same series: SCL does not allow reserved words (such as Version) as variable names. TIA only reports it during import, so a whole round is lost. The app now checks for them up front.