Epsilon EP-P Drive Reference Manual
29
Revision A4
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Display information, and are only processed if a message is waiting. If no device is querying data from the Epsilon EP-P drive
or sending data to the Epsilon EP-P drive, then messages do not take up any time. Once messages have been processed, the
remainder of the interrupt is dedicated to running the motion programs of user programs.
Available selections for Trajectory Update are 800, 1200, and 1600 microseconds. The longer the update, the more time is
dedicated to the user programs, and the less time dedicated to servo performance. The shorter the update, the more precise
the servo performance, but less time is available to process user programs. Diagnostics are available on the Status Online tab
when online with the drive to help select the ideal setting. (See description of Control Loop Group of online parameters on
page 23 for further information)
3.3.6
Switching Frequency Group
This parameter defines the switching frequency of the drive. For the Epsilon EP drives, the switching frequency is 10 kHz and
cannot be changed.
3.4
Motor View
The Motor view under Setup view is used for many different functions:
1.
To see/verify the motor data for a standard motor that had been selected
2.
To create a new motor entry in the .ddf file
3.
To Run the Auto-Tune feature
4.
To store Auto-Tune results into an existing configuration
The primary function of this view is to define the parameters for the given motor that is to be connected to the drive.
Following is a description of all the different functions on the Motor view.
Figure 37:
Motor View
3.4.1
Motor Type List Box
Use this list box to select the motor type. PowerTools Pro software will display all the standard motor models and any user
defined motors.
3.4.2
Use Motor Data From .ddf File Check box
When selecting a motor for use with the Epsilon EP-P drive the user has two basic options:
1.
Use a motor that already exists in the standard motor definition file (StdMotor.ddf) or custom motor definition file
(Motor.ddf).
Selecting the wrong motor type can cause instability and may cause property damage to the motor
and/or drive.
CAUTION
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