Siemens SINAMICS S120 - Page 248

Appendix
A.3 Hydraulic
Hydraulic Drive
248 System Manual, 04/2015, 6SL3097-4BA00-0BP1
Valve amplifier
The integral valve amplifier is mounted on the precontrol stage and contains both position
control loops. A cable is used to connect the position sensor on the main stage to the
amplifier.
Figure A-15 Precontrolled servo solenoid valve