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Figure 15:
Specified Home Offset, Backup Required
End of Home Position
The End of Home Position (End Posn) defines the home position in relation to the machine's coordinate system. At the
completion of the home, the value of the End of Home Position is put into the command position.
Home Limit Distance
This parameter places an upper limit on the incremental distance the motor will travel during the home.
If no reference is found, the system will decelerate and stop at the limit distance. The Home Limit Distance Hit function will
be activated if the home stops at the limit distance without finding the reference. Additionally, the Home.CommandComplete
function will not turn "On" if the limit distance is hit.
Home Examples
Example 1: Linear Application
In this example, the system uses an external sensor and the motor's encoder marker channel to establish a Home Reference
Position. This is the most accurate and most common way to home.
NT
Motor
Figure 16:
Home to Sensor and Marker, Example
When the FM-4 module sees the Home Initiate, it accelerates the motor to the Home Velocity.
Specified
Gaer Recuder
External
Home Sensor
Offset
Operational Overview
11
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