Siemens SINUMERIK 840D sl Function Manual page 143

03.06
Table 6-13 Explanation of the diagram
Time Explanation
t Time required to bring the axis to a standstill.
7
This time and thus the residual distance traveled by the axis is determined by the axis design
(motor, mass, friction, ...) and the configured stop response (STOP C is faster than STOP D).
Note:
Each axis must be measured during commissioning (start-up) to determine the distance that it travels
between the limit switch being violated and it coming to a standstill.
Configurable SG specific stop responses
Using the configurable SG-specific stop response, a suitable braking behavior can
be set for every SG stage in-line with the application when the particular speed
limit value is exceeded.
For example, when:
SETTING-UP, the SG stage SG2 can be active with the configured stop response
STOP C and
in the AUTOMATIC mode, the SG stage SG4 with the configured stop response
STOP D.
Activating
The function is active if the MD / parameter 36961/p9561:
$MA_SAFE_VELO_STOP_MODE = 5 / SI motion stop response = 5.
Setting the configurable SG-specific stop responses
The SG-specific stop responses can be set using the following machine data:
for 840D sl:
MD 36963: $MA_SAFE_VELO_STOP_REACTION[n]
for SINAMICS S120:
p9563[0...3]: SI motion SG-specific stop response
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 Edition
Safety Functions Integrated in the System/Drive
6.5 Safely-reduced speed (SG)
6-143