Rockwell Automation LDL Ironless Linear Servo Motors - Manual (Page 53)

Publication LDL-UM001A-EN-P - March 2009 53
Configure and Start Up the LDL-Series Linear Motor Chapter 6
10. Click the Homing tab.
11. Choose Sequence to Switch-Marker, or Torque Level-Marker
when a repeatable power-up position is desired.
Typical linear TTL and Sin/Cos encoders will home repeatability
to within one count of resolution when their index mark is used.