Option Khka - Hydraulic Proportional Control With Pcor - Danfoss H1 Series Technical Information

Technical Information
H1 Bent Axis Variable Displacement Motors, Size 060/080/110/160/210/250
Controls – nomenclature, description
Option KHKA – hydraulic proportional control with PCOR
76 | © Danfoss | December 2016
KH – hydraulic proportional / non-pressurized = min. displacement
KA – with Pressure Compensator Over Ride / without Brake Pressure Defeat
Hydraulic schematic
MA L2
A
B
MB
Where:
A, B Main pressure lines
L1, L2
Drain lines
M4, M5 Gauge port servo pressure
MA, MB
Gauge port system pressure
X1 Control pressure port
N
Speed sensor (optional)
Displacement (%) versus Input Command (bar)
100%
80%
60%
KH
40%
20%
0%
1
2
3
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.
N
n
X1
X1
min max
L1
M4 M5
P006 068
KH
Option KHKA
Hydraulic actuator X1
Non-pressurized = min. displacement.
Full-pressurized = max. displacement.
PCOR
32°
6°
160 bar 300 bar
[2321 psi] [4351 psi]
4
bar
P006 070
11037153 | BC00000043en-US1103