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Installation Guide Linear Rotary Motors
6.4.6 Referencing the Rotary Motor
The rotary motor has an integrated single-turn absolute encoder. This means that the rotary motor knows its
position without any reference run after the drive is started up.
Figure: Activate the absolute encoder for rotary motors by selecting "LmComm And In Sensor Period"
(default value). With parameter "Home Position" an offset to the start position can be set.
If a reference run is necessary due to mechanical events, e.g. an external gear, it is recommended to
reference an external sensor. A number of options for homing are available to the user under Parameter ->
Motion Control SW -> State Machine Setup -> Homing.
6.5 Magnetic Spring MagSpring®
Linear rotary motors from the LinMot PR01-52-SSCH motor family can be equipped with a MagSpring.
6.5.1 Force Direction
Extended Stroke
The order suffix is given in the following table.
MagSpring 25 N
MagSpring 60 N
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The built-in MagSpring is currently available in 1 direction of action.
With the positive-acting MagSpring, the linear rotary shaft is pulled
in.
PR01-52-SSCH
Positive force direction
MS14
MS04
ENG
NTI AG / LinMot
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