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Epsilon Eb and E Series EN Drives Reference Manual
Example 1:
Use of Velocity Presets in a phase advance/retard application. Velocity Preset #0 is set to 0
RPM, Velocity Preset #1 is set to +5 RPM, and Velocity Preset #2 is set to -5 RPM. The
Analog Input is the command source for a web application where a phase adjustment may be
useful. Without interrupting the operation, you may select either Velocity Preset #1 or #2 to
speed up or slow down the motor thereby advancing or retarding the phase between the motor
and the web material.
Example 2:
Use the Velocity Command Analog as a trim adjustment to the digital Velocity Presets.
Velocity Preset #2 is selected with Analog Input at 0, so the Velocity Command Preset and
Velocity Command are equal (set to match a conveyor speed). You can use the Analog Input
(Velocity Command Analog) as a fine adjust for the Velocity Command to exactly match the
conveyor speed.
Figure 27: Summation Mode Block Diagram
.
Figure 28: Velocity vs. Time Diagram, Summation Mode
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