Chapter 4: Performing a Spin
VSpin User Guide
52
Making Motion
Changes with the
Motion Group Box
On the Control page, the Motion group box lets you adjust the following
parameters, each controlled by a slider. Rotational velocity is measured
in rotations per minute (RPM).
Note: If you are using the Total time setting and a short spin time, the
target velocity may not be reached.
Changing the Velocity, Acceleration and Deceleration Parameters
When you change the velocity parameters, the approximate centrifugal
force on the samples is also indicated (g-force).
To change a setting:
1. If you have not already opened a profile, you must open a profile to
change these parameters.
See “Using Profiles” on page 49.
After you open a profile, the parameters become available to change
after several seconds.
2. In the
Motion group box in the Control page, click and drag the
slider control until the value in the box is what you want.
These parameters are not saved in the profile and are lost when you
close the software.
Setting the
Maximum Velocity
Changing the maximum velocity setting also changes the maximum
value to which you can set the velocity slider.
To set the maximum velocity:
1. Click on the
Profiles tab of the VSpin Control dialog box.
The
Profiles page opens.
2. Enter a value in the
Maximum Velocity (RPM) box that is between 0
and 3000 RPM.
3. Click
Apply.
If you enter a value that is out of range, an error message prompts
you to enter a different value. To resolve the error, see the “VSpin
Error Reference” on page 79.
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