Danfoss H1 Series Technical Information page 77

Technical Information
H1 Bent Axis Variable Displacement Motors, Size 060/080/110/160/210/250
Controls – nomenclature, description
© Danfoss | December 2016
Control start setting range (pressure above case pressure)
p (possible settings per MMC.- adjustable)
start
P
max allowable
Control ramp
From 100% to 20% displacement
From 100% to 0% displacement
Formulas to calculate start and end input command
Control type Input command (bar)
Start input command
KH
End input command
Where:
V
Maximum, theoretic possible motor displacement per revision (cm
gmax
V Minimum displacement setting of desired unit (cm
gx
V
Maximum displacement setting of desired unit (cm
gy
x Minimum displacement (%)
y
Maximum displacement (%)
W
Warning
Zero degree capability results in a high risk of overspeed and drops in efficiency if the motor operates
between 0–20% displacement.
2 to 30 bar [29 to 435 psi]
Control start setting + 50 bar [725 psi]
14 bar [203 psi]
17.5 bar [254 psi]
% displacement All sizes (bar)
from 100% p ± 0.5
start
from y% max. (1 - V /V
gy gmax
at 0% p + 17.5 ± 2.5
start
at x% min. (1 - V /V
gx gmax
3
/rev)
3
/rev)
11037153 | BC00000043en-US1103 | 77
) x 17.5 + p ± 0.5
start
) x 17.5 + p ± 2.5
start
3
/rev)