Siemens SINUMERIK 840D sl Function Manual page 361

03.06
Actual speed (ideal case)
Actual position value
The limit value is exceeded at
time t
1
Response time of the system,
response at time t
2
SE limit
Fig. 9-8 Exceeding SE
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 Edition
*Stopping distance = response distance +
braking distance
Speed increase
t t
1 2
Commissioning
9.5 Acceptance test
*Stopping
distance
Braking time
to standstill
(zero speed)
at time t
3
t
3
Tim
e
9-361