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Chapter 4 - Configuring Impulse with Application Developer
4-15
X-Smoothness (Xtreme Smoothing™)
The X-Smoothness tab is the most advanced low-speed tuning feature currently available on any
microstepping drive. The benefits of low-speed smoothness are 1) reduced vibration, and 2) an
increase in torque, which was typically lost to vibration before the arrival of the Impulse drive.
Achieving this revolutionary smoothness is easily and quickly accomplished by following the
simple procedure below. Note: the motor must be disconnected from its load while performing
Xtreme Smoothing™.
• X-Smoothness Sliders - Click and drag the indicator to change a value.
• Test Speed - This text input box displays the Recommended Test Speed and may be edited
if necessary.
• Recommended Test Speed - This value has been either 1) pre-configured for IDC motors,
or 2) calculated when a custom motor file was created in the Advanced Motor Editor. Verify
that this value has been entered in the Test Speed display.
• Run Test/Stop Test Button - Toggles between Run Test and Stop Test.
•Restore - Restores each X-Smoothness to the previous values.
Adjusting X-Smoothness #1, #2, #3
Important: Whether using an IDC motor or a non-IDC (custom) motor, all six X-Smoothness
values (L1, L2, M1, M2, H1, H2) must be adjusted in the order described in the following
procedure. Note: Slider bars L1 and L2 are interactive, as are M1 and M2, and these interactive
sliders should be alternately adjusted until the deepest null setting is achieved.
X-Smoothness #1
Recommended values for L1 and L2 have been pre-configured for IDC motors, but we
recommend that these settings be verified and adjusted if necessary by the following procedure.
If you are using a custom motor file, these values were calculated in the Advanced Motor Editor.
1. Press the Run Test button.
2. Move slider L1 left and right until the smoothest running condition is reached.
3. Move slider L2 left and right until the smoothest running condition is reached.
4. Press Stop Test.