Parker DFB Series, Operation Manual, Page: 23 / 28

Prop. Directional Control Valve
Series D*FB / D*1FB Operation Manual
23
D_FB-D_1FB 5715-669 UK.indd CM
Parker Hannifin GmbH
Hydraulic Controls Division
Parameter overview for expert mode
Para-
meter
Description Unit
Parameter Range
Default Setting Comment
from up to
S11 ramp for int. command S1 ms 0 32500 0
S12 ramp for int. command S2 ms 0 32500 0
S13 ramp for int. command S3 ms 0 32500 0
S14 ramp for int. command S4 ms 0 32500 0
S17 default ramp ms 0 32500 0
P5 dither amplitude % 0 10.0 0
P6 dither frequency Hz 0 300 0
E21
option internal command
signal conjunction
–
0 = priority dependent
0 = priority
dependent
Code W5
only
1 = additive
E22
int. command signal
ramp function
–
0 = quadrant dependent
(S5...8)
0 = quadrant
dependent
1 = int. command depend.
(S11...14)
E83
int. command signal
functionality
–
0 = standard
0 = standard
1 = special option DFL
Individual Description of Expert Parameters
S11
ramp for internal
command signal 1
Adjustment of the ramp rate for the internal command signal channel S1.
To avoid switching noise.
S12
ramp for internal
command signal 2
Adjustment of the ramp rate for the internal command signal channel S2.
To avoid switching noise.
S13
ramp for internal
command signal 3
Adjustment of the ramp rate for the internal command signal channel S3.
To avoid switching noise.
S14
ramp for internal
command signal 4
Adjustment of the ramp rate for the internal command signal channel S4.
To avoid switching noise.
S17
default ramp
Adjustment of the ramp rate for the default ramp.
To avoid switching noise.
P5
dither amplitude
Adjustment of dither amplitude.
To reduce the influence of solenoid friction.
P6
dither frequency
Adjustment of dither frequency.
To match the dither signal to the valve dynamic.
E21
internal command signal
conjunction
Adjustment of the conjunction for the internal command signals.
To match the command signal logic.
E22
internal command signal
ramp function
Adjustment of the ramp function for the internal command signals.
To match the ramp functionality.
E83
internal command signal
functionality
Adjustment of the functionality for the internal command signals.
To match for the special option DFL.
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