Danfoss MCO 305 Design Manual page 70

MCO 305 Design Guide
Evaluating Motion Figures
Check the maximum position, the maximum velocity, the number of "overshoots", and the duration of the
building-up process.
For each graph the most important test run parameters, the corresponding maximum values and actual
values are displayed:
velocity in user units/ms,
acceleration in user units/ms²,
the maximum regulation difference which occurred during the process are shown,
the actual position difference an the target,
user units in qc,
data sample interval in ms.
Click on the corresponding input field to view one of the other graphs, for example for velocity. You can also
view two or even all four graphs at once. However, then no units are shown on the x-axis.
Testrun Graphs
The Positioning graph shows the set positions (dark or brown curve) and the positions actually achieved
(light or red curve).
Velocity graph: The yellow (light) curve shows the achieved velocity path, the brown (dark) curve shows the
desired trapeze-shaped set curve.
In special instances the trapeze-shaped velocity curve can degenerate to a triangle shape. This effect occurs
when the positioning distance is too short to achieve the maximum velocity at the desired acceleration.
Acceleration graph: The light green curve shows the actual course of acceleration, the dark curve shows the
desired trapeze-shaped set curve during acceleration and deceleration.
Current graph: The blue line shows the actual motor current.
CAM-Editor Menu
The curve profiles for any CAM controls are realized with the CAM-Editor. The individual curves are defined
by Fix points, parameters for the engage and disengage motion, as well as parameters for the synchroniza-
tion with the marker. There are index cards in the CAM-Editor for this input and for other curve data. The
curves and parameters are illustrated in the diagram; in addition, you can also enter and manipulate the Fix
points interactively.
How to Start the CAM-Editor
You can open configurations files (*.CNF) with MCT 10. This will start the APOSS CAM-Editor.
The file is expected to contain at least one curve. If the file does not contain a curve, then the user is
prompted to add a curve to the file. Also, the user may not delete the last curve in the file.
When the CAM-Editor is closed, APOSS is also closed and the user is returned to MCT 10.
The "New CNF", "Load CNF", and "Save CNF As" buttons are disabled since all file handling is done by MCT 10.
Before you Begin to Edit a Curve
... you should load the parameters of the control as a CNF file into the curve editor because then the para-
meters will already be entered properly into the corresponding index card. You can get this file using
MCT 10 . During this operation, existing arrays, if any, will also be output.
If you do not load a CNF file, the FC 300 will be set to the default settings.
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