Options K1Ka, K2Ka - Electric 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
Options K1KA, K2KA – electric proportional control with PCOR
50 | © Danfoss | December 2016
K1 – electric proportional 12 V / de-energized = min. displacement / with PCOR
KA – with Pressure Compensator Over Ride / without Brake Pressure Defeat
K2 – electric proportional 24 V / de-energized = min. displacement / with PCOR
KA – with Pressure Compensator Over Ride / without Brake Pressure Defeat
W
Warning
This control is not for use in propel applications.
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
N
Speed sensor (optional)
Displacement (%) versus Input Command (mA)
100%
80%
K2
60%
40%
20%
0%
0 200 400 600
K1, K2 = K1, K2 Control
Z = Start setting range
Grey area = Intended to be used for zero degree capability.
Below are formulas to calculate start and end input command dependent on displacements:
N
n
min max
C1
L1
M4 M5
P301 463
K1
800 1000 1200 1400
Options K1KA, K2KA
Solenoid C1
De-energized = min. displacement
Full-energized = max. displacement
PCOR
32°
6°
160 bar 300 bar
[2321 psi] [4351 psi]
Z
1600 1800
mA
P003 486
11037153 | BC00000043en-US1103