Siemens SINUMERIK 840DE sl Commissioning Manual page 486

Service and diagnostics
18.12 Trace
Displaying a legend and selecting a variable
18.12.5.3 Scaling the display
The scaling allows you to make a precise measurement of selected variables from the X time
axis as well as from the Y value axis. You have the option of saving the larger or smaller display
in a user-defined way
Setting
X minimum or
X maximum
Y minimum or
Y maximum
Offset or
resolution
Scaling the time and value axis
472
1. A recording is opened in the "Trace" graphics window.
2. Press the "Legend / selection" softkey.
The graphic window is halved. The variables are displayed as comment
and with checkbox in the left-hand section of the window.
3. Activate or deactivate the required variable using the checkbox to display
it as curve.
4. Press the softkey again to hide the legend area again.
Meaning
Highest or lowest value of the X time axis. The values are used for recording
when the trace is started again.
Fixed scale, X axis
Strip chart recorder mode
Defining the highest or lowest value of the Y value axis (amplitude).
Defining the rms values (mean values) of the amplitudes.
The scale is changed by a factor of 10.
1. A recording is opened in the "Trace" graphics window.
2. Press the "Scale" softkey in order to scale the display.
The "Select X-Y Scaling" input window opens and the values of the X time
axis are displayed.
3. Press the "X time axis" softkey again if you wish to hide the values.
- OR -
Press the "Y selected curves" softkey to display the values of the Y value
axis.
Press the softkey again if you wish to hide the values.
- OR -
You have selected both axes.
Values of the X time axis are kept.
The values of the X time axis are used while
recording.
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
SINUMERIK Operate (IM9)