Siemens SINAMICS S120 - Page 125

Commissioning
4.19 Commissioning functions
Hydraulic Drive
System Manual, 04/2015, 6SL3097-4BA00-0BP1
125
Valve control loop measurement
Table 4- 1 Measurement types and measured variables for the valve control loop measurement
Measurement
Excitation
Measured variables
Valve frequency response Valve spool setpoint in velocity controller cycle, valve
control loop closed, velocity control loop open
Valve spool actual value/
valve spool setpoint
Table 4- 2 Parameterization of the valve control loop measurement
Parameters
Typical values
Physical unit
Amplitude 1 V
Bandwidth
1000
Hz
Averaging operations
10
-
Settling time
100
ms
Offset
0
V
Figure 4-47
Valve frequency response for an HR servo solenoid valve (example)