Siemens SINAMICS S120 Commissioning Manual page 165

Determining the drive direction
The direction of the drive is positive if the primary section moves relative to the secondary
section in the opposite direction to the cable outlet direction.
Figure 2-39
Determining the counting direction of the measuring system
The counting direction is determined depending on the measuring system.
Measuring systems from Heidenhain
Note
The counting direction of the measuring system is positive, if the distance between the
sensor head and rating plate increases.
Figure 2-40
Commissioning Manual
Commissioning Manual, (IH1), 01/2012, 6SL3097-4AF00-0BP2
Determining the positive direction of the drive
Determining the counting direction for measuring systems from the Heidenhain Company
2.13 Commissioning linear motors (servo)
Commissioning
163