Siemens SINUMERIK 828D Function Manual page 140

Detailed description
2.14 Diagnostics (HMI Advanced only)
Graphic log function
The measured values (up to 6) of a log are represented graphically as a function of the
sampling time. The names of variables are specified in descending sequence according to
the characteristics of their values. The screen display is arranged automatically. Selected
areas of the graphic can be zoomed.
Note
Graphic log representations are also available as text files on the HMI Advanced. An editor
can be used to read the exact values of a sampling instant (values with identical count index)
numerically.
Managing logs
Several log definitions can be stored under user-defined names. They can be called later for
initialization and start of recording or for modification and deletion.
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Function Manual, 07/2012, 6FC5397-5BP40-3BA0
Synchronized actions