Rockwell Automation 1771-QC , D17716.5.25 SER/B SERVO POS - Manual (Page 24)

Positioning Concepts
Chapter 3
3Ć11
Figure 3.8
Marker Pulse Ć Establishing a Home Position
Limit
Marker
Axis Motion
Home
Switch
Pulse
Switch
Position
12004
Once we establish a home position, we can use it as an absolute reference
point for all moves.
In this chapter we described concepts of closed-loop positioning. Now
you are ready for concepts of position with an Allen-Bradley PC. This
material is covered in chapter 4.
Summary