09.95
Siemens AG 2001 All Rights Reserved 6FC5197–jAA50
9–30
SINUMERIK 840C (IA)
D Step change (speed setpoint)
MD
t
O
A
v
ESD
t
s
Position
character-
istic
Speed
setpoint
Fig. 9.11
Conditions Operating mode : Speed setpoint (position controller
cycle)
Signal type : Step change
ESD : Settling time
MD : Measurement time
A : Amplitude
O : Speed offset
Explanation On expiry of the settling time the speed setpoint is increased abruptly by the am-
plitude value from the offset.
On expiry of the measurement time, the setpoint signal is removed and the speed
setpoint reduced to zero with a delay via a filter.
9 Drive Servo Start-Up Application (as from SW 3)
9.3.3 Signal waveforms of function generator (as from SW 3)
10.94
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