H520 crashes when ¨Start trend¨ is executed via macros

Which products are affected?
ESP-HMI1-P (HMI Designer V1.7)
EPM-H520 (Touch screen)

What happens?
It is not possible to enter data via the keypad. There is no response when touch keys are pressed.

When does the problem occur?
The response described above occurs when trend buffers are started by a macro.

Possible diagnostics?
None.

Short-term measures/recommendations?
Do not insert the internal command 'PROJECT – Start trend' into macros.

Evaluation:
The keypad no longer responds when touch keys are pressed if a macro is executed which starts a trend buffer. The manual starting of trends is used rather seldom in practice.

 

URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/200806368/1/
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