Option Hehe - Hydraulic Two-Position Control - Danfoss H1 Series Technical Information

Technical Information
H1 Bent Axis Variable Displacement Motors, Size 060/080/110/160/210/250
Controls – nomenclature, description
Option HEHE – hydraulic two-position control
80 | © Danfoss | December 2016
HE – hydraulic two-position control, default (without control pressure) = max. disp. / external control
pressure supply
HE – without PCOR / without BPD, internal servo pressure supply
Hydraulic schematic
MA L2
A
B
MB X1
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)
Control pressure X1
Non-pressurized = max. displacement.
Pressurized = min. displacement.
Control pressure > 12 bar [174 psi] to ensure minimum displacement (above case pressure)
Control pressure < 0.9 bar [13 psi] to ensure maximum displacement (above case pressure)
Maximum control pressure: 100 bar [1450 psi]
Displacement versus control signal
1
2
12 bar [174 psi]
N
n
max min
M4 M5
P301 321
Where:
1
Min. displacement
2 Max. displacement
P301 332
Option HEHE
L1
11037153 | BC00000043en-US1103