Option Thhb - Hydraulic Two-Position Control With Pcor And Hydraulic Bpd - Danfoss H1 Series Technical Information

Technical Information
H1 Bent Axis Variable Displacement Motors, Size 060/080/110/160/210/250
Controls – nomenclature, description

Option THHB - hydraulic two-position control with PCOR and hydraulic BPD

© Danfoss | December 2016
TH – hydraulic two-position control, non-pressurized = min. displacement/external pressure supply
HB – with Pressure Compensator Over Ride, with hydraulic BPD
MA L2 XA
A
B
MB XB X1
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)
Hydraulic actuator X1
Non-pressurized = min. displacement.
Pressurized = max. displacement.
Min. pressure for activation = 10 bar above case pressure
Max. pressure for activation = 35 bar above motor case pressure
Max. pressure at non-pressurized control port X1 = case pressure
Displacement versus control signal versus PCOR pressure
1
2
X1 = 10 bar
N
n
max min
L1
M4 M5 P005951
PCOR
32°
6°
160 bar 300 bar
[2321 psi] [4351 psi]
3
P005 954
Option THHB
Where:
1 Max. displacement
2
Min. displacement
3 Start setting range
11037153 | BC00000043en-US1103 | 83