Bosch rexroth A4VSO 10 Series - Overview of Control Units

BoschRexrothAG, RE 92050-01-X-B2/2019-08-23
10 A4VSO Series 10, 11 and 30 | Axial piston variable pump
Overview of control units
Overview of control units
OV - Without control
▼ Circuit diagram
At axial piston units without OV control, the stroking
piston is based on DR control. The stroking piston is
relieved to the tank. The V
g max
limitation can be adjusted
from 50 to 100%. The axial piston unit without control acts
like a fixed pump in operation.
R(L)
TK
2
K
1
B
1
M
B
B
M
2
M
1
U M
S
S
DR – Pressure controller
(see92060)
▼ Circuit diagram
The DR pressure controller limits the maximum pressure at
the pump outlet within the control range of the pump.
Thismaximum pressure level can be steplessly set at the
control valve.
▶ Setting range 20...350bar
Optional:
Remotely controllable (DRG)
▼ Characteristic curve
q
v min
q
v max
p
B
1
M
B
B
U M
S
S
R(L)
TK
2
K
1