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Option KHKH – hydraulic proportional control with PCOR and BPD
KH – hydraulic proportional / non-pressurized = min. displacement
KH – with Pressure Compensator Over Ride / with Brake Pressure Defeat (non-pressurized BPD =
PCOR active port not defined without pilot pressure difference on XA or XB)
Hydraulic schematic
B
A
n
N
M4
M5
L2
L1
min
max
MA
MB
P006 069
X1
X1
XA
XB
Where:
A, B
Main pressure lines
L1, L2
Drain lines
M4, M5
Gauge port servo pressure
MA, MB
Gauge port system pressure
XA, XB
Control pressure ports brake pressure defeat
X1
Control pressure port
N
Speed sensor (optional)
Option KHKH
Hydraulic actuator X1
Non-pressurized = min. displacement.
Full-pressurized = max. displacement.
Displacement (%) versus Input Command (bar)
KH
KH
P006 070
0%
20%
40%
60%
80%
100%
1
2
bar
3
32°
6°
160 bar
[2321 psi]
300 bar
[4351 psi]
PCOR
4
1 = Control ramp, 100% - 20% (14 bar [203 psi])
2 = Control ramp, 100% - 0% (17.5 bar [254 psi])
3 = Control start setting range
4 = PCOR start setting range
Grey area
= Intended to be used for zero degree capability.
Technical Information
H1 Bent Axis Variable Displacement Motors, Size 060/080/110/160/210/250
Controls – nomenclature, description
78 |
©
Danfoss | December 2016
11037153 | BC00000043en-US1103