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Setting Up Parameters
distance is used to guarantee that the motor will not need to backup after the deceleration
ramp.
Specified Offset Radio Button
The specified offset allows the user to choose an exact offset from the Home Reference point.
The commanded motion will stop at exactly the offset distance away from the reference point
as specified. If the specified offset is smaller than the calculated offset, the motor will
decelerate to a stop and then back up to its final offset position.
Limit Distance
LimitDistEnable
This checkbox enables the specified Home Limit Distance.
The Limit Distance parameter places an upper limit on the incremental distance traveled
during a home. If no home reference is found in this distance, the motor will decelerate to a
stop at the limit distance and activate the Home.#.LimitDistHit source.
End of Home Position
This parameter defines the position at the completion of the home. This defaults to 0.0 such
that at the end of a home, the Feedback Position and the Commanded Position are set to 0.0.
If you wish your Feedback Position to be something other than 0.0 at the end of a home, then
enter the exact desired position here.
Below is a diagram of a home using the "Back off before homing" radio box, a Home
Reference of "Sensor", and using a "Calculated Offset".
Figure 57: Home Reference Position
Velocity
Time
Home
Sensor
Input
On
Off
Off On
Home Reference
Position
Start of Normal
Home Routine
Back off
Sensor Move