Siemens SIPART PS2 6DR5xx0 series Compact Operating Instructions page 11

Note
Use of external NCS sensor / internal NCS module
If you use the accessory part "NCS sensor for contactless position measurement" or a built-in internal NCS module, the
locking and fixing measures described in this section are not necessary.
Overview diagram
NOTICE
Wrong detection of the rotary or part-turn movement
A different setting of the transmission ratio selector and the gear latch results in a hysteresis in position detection. The
hysteresis in position detection can result in unstable control behavior of the higher level control loop.
Make sure the transmission ratio selector
•
①
Gear latch
②
Locking transmission ratio to 33°
③
Neutral position
④
Locking transmission ratio to 90°
⑤
Transmission ratio selector
Figure 3-2 Locking friction clutch and transmission ratio
Requirements
● The positioner is mounted.
● You know whether the transmission ratio is to be set to 33° or 90°.
● The positioner has been commissioned successfully, i.e. initialization was completed with "FINISH".
12
⑤ ①
and the gear latch
⑥
⑦
⑧
⑨
are set to the same value, either to 33° or to 90°.
Friction clutch
Friction clutch latch
Locking friction clutch
Release friction clutch
SIPART PS2 (6DR5...)
A5E03436620-AB, 01/2017