Emerson Epsilon EP Drive 400518-01 Manual de instalación Pagina 24

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12
Epsilon EP-P Drive and FM-3/4 Module Reference Manual
The motor continues at that velocity until it first senses the Home Sensor input. It continues at the same velocity until the
motor’s encoder marker channel is sensed. The rising edge of the motor’s encoder marker channel is used to establish the
reference position. Once the home reference is detected, the motor decelerates to a stop and moves to the offset position.
Home Sequence
1. If on sensor then back off (if enabled)
2. Search for sensor
3. Search for marker
4. Go to offset (2.0 Revs)
5. Set feedback position equal to End of Home Position
Figure 18: Home Velocity Profile
Figure 19: Home Move Sequence
Example 2: Rotary Application
This example uses an external sensor and the motor’s encoder marker pulse to establish a home reference position.
Velocity
Time
Sensor
Back off
Sensor
Marker
+ 100
- 100
+ 100
Sensor
Marker
Home Move
Back Off Sensor
Start of Home
1
2
Offset
Offset Move
2.0 Revs
Final Position = End of Home Position
4
5
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