Curve list
You can hide, show and activate the curves from the curve list. The input fields are used to set the amplification and offset of the curves.
Curve list
Zoom
Magnify the section that interests you by using the mouse to draw a zoom rectangle or magnify the section only in the X or Y direction by using the zoom function.
Zoom
Cursor
The cursor (a small cross on the active curve) is used to display the absolute measurement values in the title bar of the diagram. Activate a curve and use the mouse to move the cursor to the desired point.
Cursor, Activate curve
Auxiliary cursor
TNCscope has three auxiliary cursors. If vertical auxiliary cursor 1 or the horizontal auxiliary cursor is activated, the title bar of the diagram displays the value of the difference between the cursor and the auxiliary cursor. You can also use the horizontal auxiliary cursor to ascertain how often the active curve intersects the auxiliary cursor.
Position these cursors by moving them with the mouse.
Auxiliary cursor
Scaling and positioning curves
You can shift, magnify and invert all curves with the mouse. There is also a key combination for shifting curves in the X direction. Use this option to compare curves, even those that come from different measurements.
Scaling and positioning curvesPositioning, Shift the curve in the X direction, Invert curves
Automatic scaling
Since TNCscope features several functions for automatic scaling, it is generally not necessary to scale all curves manually.
Automatic scaling
Curve calculations
The following options are available for evaluating measured curves:
- FFT
- Low-pass filter
- X/Y graph
- Differentiating a curve, Integrate curve
- Remove constant component
- Formula
- Bitmask
- Cut/copy/paste/delete curves
Use these functions, for example, to determine the difference between the nominal and actual values, to calculate curves which you cannot measure directly on the control, or perform a frequency analysis.
Use a bitmask to mask any bit pattern from a PLC operand.
Compare curves from different measurements by copying them to a common graph and then shifting them in the X direction, if necessary, until they overlap exactly.
Importing tables
You can import any ASCII files that contain measured-value rows in column form (e.g. Excel files saved in the CSV format)
Import Table
Options
You can adapt the diagram to your wishes:
- Hide/show the legend, auxiliary cursors, X/Y axes, trigger threshold and grid
Auxiliary cursor, Legend - Configure the color settings
- Fixed or variable grid
- Number system for PLC operands
Number system