Selecting A Variable; Scaling The Display - Siemens SINUMERIK 828D Commissioning Manual

Service and diagnostics
10.4 Trace
10.4.4.3

Selecting a variable

You have the option of displaying the selected variables as legend and to make a selection
using a checkbox.
Legend
Numbering the variables
Axis identifier
Comment of the variables
Displaying a legend and selecting a variable
10.4.4.4

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
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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.
Values of the X time axis are kept.
The values of the X time axis are used while
recording.
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3
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