Siemens SINAMICS S210 Operating Instructions Manual page 119
Servo drive system, converter,
servomotor
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Also See for SINAMICS S210:
- Operating instructions manual (769 pages) ,
- Operating instructions manual (6 pages)
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Setting the SBR ramp
Align the SBR curve to the OFF3 curve. Also check that for every load condition the drive can
follow this OFF3 ramp. If you want a monitoring curve that is parallel to the down ramp of the
load, then you must set the following:
● Set the reference velocity (p9581) (reference speed) to the value of the maximum speed.
● SBR monitoring time (p9583) = OFF3 ramp-down time (p1135)/gear ratio
● Where: Gear ratio = Load revolutions / motor revolutions.
● Example: Gear ratio = 1/3 ⇒ SBR monitoring time = OFF3 ramp-down time (p1135) · 3
An SBR monitoring time shorter than the value calculated above does not make sense, as the
drive in this case can reduce its monitoring curve faster than the load can be braked.
The longer the monitoring time settings, the more tolerant the monitoring.
Responses to braking ramp violations
● Safety alarm A01706 (SI Motion: SAM/SBR limit exceeded)
● Stopping the drive with STO
SINAMICS S210 servo drive system
Operating Instructions, 01/2019, A5E41702836B AC
Safety functions integrated in the drive
4.2 Extended Functions
117
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