Safe Brake Ramp (Sbr) - Siemens SINAMICS S210 Operating Instructions Manual
Servo drive system, converter,
servomotor
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- Operating instructions manual (769 pages) ,
- Operating instructions manual (6 pages)
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4.2.12
Safe Brake Ramp (SBR)
The Safe Brake Ramp (SBR) function provides a safe method for monitoring the brake ramp.
Safe Brake Ramp is applied for monitoring of braking for functions SS1 and SS2 (selected
directly or as a response to a limit value violation).
The drive brakes the motor immediately with the OFF3 ramp as soon as SS1 or SS2 is
triggered. Monitoring of the braking ramp is activated once the SBR delay time (p9582) has
elapsed. The drive monitors the motor to ensure that it does not exceed the set braking ramp
(SBR) when braking. The drive deactivates safe monitoring of the braking ramp for the various
functions used as follows:
● For SS1
– As soon as the speed drops below the STO shutdown speed (p9560).
– As soon as the SS1 delay time (p9556) has elapsed.
For SS2
– As soon as the SS2 delay time (p9552) has elapsed.
Following deactivation of the SBR monitoring, depending on the function used, the drive
activates the specific subsequent function:
Function used
SS1
SS2
SINAMICS S210 servo drive system
Operating Instructions, 01/2019, A5E41702836B AC
or
Safety functions integrated in the drive
Subsequent function
STO
SOS
4.2 Extended Functions
115
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