A Hydraulics
10.03
A.1 Servo solenoid valves
Fig. A-18
Valve amplifier block diagram for directly-controlled HR servo solenoid valves (Rexroth)
Siemens AG, 2003. All rights reserved
A-253
SINUMERIK 840D/SIMODRIVE 611 digital, HLA Module (FBHLA) - 10.03 Edition