Option MHCA – hydraulic proportional control
MH – hydraulic proportional non-pressurized = min. displacement
CA – without Pressure Compensator Over Ride / without Brake Pressure Defeat
Hydraulic schematic
B
A
n
N
M4
M5
L2
L1
X1
X1
MA
MB
P005905
min
max
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)
Option MHCA
Hydraulic actuator X1
Non-pressurized = min. displacement.
Full-pressurized = max. displacement.
Displacement (%) versus Input Command (bar)
MH
MH
P005 903
0%
20%
40%
60%
80%
100%
32°
6°
1
2
bar
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
Grey area
= Intended to be used for zero degree capability.
Control start setting range (pressure above case pressure)
p
start
(possible settings per MMC.- adjustable)
2 to 30 bar [29 to 435 psi]
P
max allowable
Control start s 50 bar [725 psi]
Technical Information
H1 Bent Axis Variable Displacement Motors, Size 060/080/110/160/210/250
Controls – nomenclature, description
70 |
©
Danfoss | December 2016
11037153 | BC00000043en-US1103
