Siemens SINAMICS V90 Operating Instructions Manual page 195
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- Operating instructions manual (432 pages) ,
- Operating manual (158 pages) ,
- Getting started (116 pages)
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3. Trigger SREF to a rising edge to start referencing.
Note
During the referencing, if SREF is OFF, the referencing stops.
4. If the servo motor reaches the reference point, the signal REFOK (if configured) is output.
5. Switch off the signal SREF, and the referencing finishes successfully.
External reference cam (signal CCWL) and encoder zero mark (p29240=3)
The referencing is triggered by signal SREF. After that, the servo motor accelerates to the
speed specified in p2605 to find the reference cam. The direction (CCW) for searching the
reference cam is defined by p2604. When the signal CCWL is detected (1→0), the servo
motor decelerates to standstill with maximum deceleration. After that, the servo motor
accelerates again to the speed specified in p2608 and the running direction (CW) is opposite
to the direction defined by p2604. The signal CCWL switches to high level (0→1). When the
servo motor finds the first zero mark, it starts to travel towards the reference point defined in
p2600 with the speed specified in p2611. When the servo motor reaches the reference point
(p2599), the signal REFOK is output. Switch off the signal SREF (1→0) and the referencing
finishes successfully.
The whole process is shown in the diagram below:
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 09/2015, A5E36037884
Control functions
7.4 Internal position control (IPos)
195
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