Emerson Epsilon EP Drive 400518-01 Installationshandbuch Seite 58

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Epsilon EP-P Drive and FM-3/4 Module Reference Manual
Figure 42: Position View
Settings Group
Define Home Position
This is the value to which the position command will be set when the Define Home destination is activated. This is used in
applications which do not use a home routine, but require a known reference point. The units are defined on the User Units
View.
In Position
The In Position (InPosn) source will activate at the end of a move if the absolute value of following error is less than or equal
to the In Position Window for the In Position Time.
In Position Window
The absolute value of the Following Error must be less than or equal to this value at the end of an index in order for the InPosn
source to activate. This window is set in units specified in the User Units View.
For example:
The In Position window is set to 0.0025 revs. At the end of an index, the following error is calculated to be 0.0012
revolutions. Therefore, the InPosn source will activate.
Or the In Position window is set to .001 inches. If at the end of an index, the following error is calculated to be .0015
inches, then the InPosn source will not activate.
In Position Time
This is the amount of time in seconds that commanded motion must be complete and the absolute value of the following error
must be less than the In Position Window for the InPosn source to activate. If set to zero (default), then InPosn will activate
as soon as motion stops and the following error is less than the In Position Window parameter.
Limits Group
Enable Following Error Check Box
Select this check box to enable (or disable if the check box is clear) the Following Error Limit. If enabled, a fault will be
generated if the absolute value of the following error ever exceeds the value in the following error parameter. If disabled, a
fault will never be generated.
Following Error
Following Error is the difference between the Position Command and the Position Feedback. It is positive when the Position
Command is greater than the Position Feedback. If the absolute value of the following error exceeds the value you enter here,
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