Siemens SINAMICS S120 System Manual page 126

Commissioning
4.19 Commissioning functions
Measurement of velocity control loop
Table 4- 3 Measurement types and measured variables for the velocity control loop measurement
Measurement
Reference frequency re-
sponse
Setpoint step change
Disturbance frequency re-
sponse
Disturbance step
Velocity controlled system
Velocity controlled system +
controller
Table 4- 4
Parameters
Reference frequency response
Amplitude (linear axis)
Bandwidth
Averaging operations
Settling time
Offset (linear axis)
Setpoint step change
Amplitude (linear axis)
Measurement time
Settling time
Offset (linear axis)
Disturbance step
Amplitude
Measurement time
Settling time
126
Excitation
Velocity setpoint in velocity controller cycle,
valve control loop closed,
velocity control loop closed
Velocity setpoint in velocity controller cycle,
valve control loop closed,
velocity control loop closed
Valve spool setpoint in velocity controller cycle,
valve control loop closed,
velocity control loop closed
Valve spool setpoint in velocity controller cycle,
valve control loop closed,
velocity control loop closed
Valve spool setpoint in velocity controller cycle,
valve control loop closed,
velocity control loop closed
Velocity setpoint in velocity controller cycle,
valve control loop closed,
velocity control loop closed
Parameterization for measuring the velocity control loop
Measured variables
Actual velocity value/
velocity setpoint
Measured variable 1:
•
•
Measured variable 2:
•
Actual velocity value/
valve spool setpoint
Measured variable 1:
•
Measured variable 2:
•
Actual velocity value/
valve spool actual value
Actual velocity value/
control deviation
Physical unit
mm/min | inch/min
Hz
-
ms
mm/min | inch/min
mm/min | inch/min
ms
ms
mm/min | inch/min
V
ms
ms
System Manual, 04/2015, 6SL3097-4BA00-0BP1
Velocity setpoint
Valve spool setpoint
Velocity actual value
Valve spool setpoint
Velocity actual value
Hydraulic Drive