Siemens SINAMICS S120, Function Manual

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Basic functions
7.22 Position tracking
Drive functions
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Function Manual, 11/2017, 6SL3097-4AB00-0BP5
7.22 Position tracking
7.22.1 General information
Terms
● Encoder range
The position area that can itself represent the absolute encoder.
● Singleturn encoder
A rotating absolute encoder, which provides an absolute image of the position within one
encoder revolution.
● Multiturn encoder
An absolute encoder that provides an absolute image of the position over several
encoder revolutions (e.g. 4096 revolutions).
Description
Position tracking enables the load position to be reproduced when using gearboxes. It can
also be used to extend the position area.
With position tracking, an additional measuring gear can be monitored and also a load gear,
if the "position control" function module (p0108.3 = 1) is active. Position tracking of the load
gearbox is described in Section "Actual position value processing".
Figure 7-13 Overview of gears and encoders