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A-10 Manual Tuning MN1851
Plotting of Move
At any time after the setup parameters are downloaded to the control, you may
proceed to the plotting routine. Plot allows you to verify that the parameter values
you entered provide adequate system response.
In this section, you will inform the software what move to perform. You will enter
time (for the move), direction (CW or CCW) and speed. It is recommended that
you start with low speeds and short time periods (i.e. 0.5 sec) until you get a feel
for your system.
Control Window
Enter the parameter values using the Pole Placement menu and click the
“Download” button. Refer to Figure A-16 for details.
Figure A-19 Record & Plot Menu
1
Click Record
2 Select 1P variable
3 Select 2P variable
4
Enter
Jog
values
5
Click on CW or CCW
0.2
0
0.4
0.6
0.8
1.0
0.04 0.08 0.13 0.17 0.21 0.25 0.29 0.33 0.38 0.42
Velocity
Time (sec)
Overshoot
Good Response
(Constant Acceleration)
Graphic Screen
Click on the “Record” button to activate a graphic screen.
Move the cursor to the “plot variable” window (1P and 2P windows = 1
st
and 2
nd
Plot windows) and choose one or two variables which will be drawn on the plot
(such as velocity, velocity command, etc.).
Jog Block
Click on “velocity” in the Jog window. Enter a value to run the motor. A low speed
is recommended.
Click on “duration” in the Jog window. Choose a duration time (range is 0.01 to 32
seconds). Recommend that you use a short time period (i.e. 0.5 sec).
Initiate Move
Click on either the “CW” or “CCW“ button. This selects the direction of movement
and the software will plot the variables you selected. Observe the performance
plot. If it meets your expectations, you are finished. If you wish to alter
parameters and view another plot, repeat the above procedure.