Name Data
type
Description of parameter
Steering
wheel
Steering device
External
set-point
controller
Range
Default
High
Priority
Low
Priority
Sse
S16
Steering sensitivity selector
1y09
3y09
4y09
5y09
Fixed 1
Actuator position
dependent 2
Vehicle speed
dependent 3
1
Sr
Rate limitation selector (anti-jerk)
1y17
3y17
4y17
5y17
No ramps applied
0
Fixed ramp times
1
Vehicle speed
dependent 2
0
Vesm
Vehicle speed range where steering
sensitivity is dependent on vehicle speed.
Vehicle speeds higher than Vesm will
saturate steering sensitivity at Sts5.
1y16
3y16
4y16
5y16
[1; 1000]
{50, 50, 50, 50}
Verm
Vehicle speed range where ramp up/down
time is dependent on vehicle speed.
Vesm [vehicle speed • 10]
Vehicle speeds higher than Verm will
saturate ramp times at Trh and Tfh
respectively.
1y25
3y25
4y25
5y25
[0; 1000]
500
Steering Device Parameters
Name
Data type
Description of parameter
Steeri
ng
wheel
Steering device
External
set-point
controller
Range
Default
High
Priority
Low
Priority
Kp
SIGNED16
Proportional gain for closed loop
108
308
408
508
[0; 200]
50
Full_Strk
SIGNED16
Fastest steering device input -
minimum to maximum or vice
versa (ms).
For steering wheel device it is the
time for one revolution.
111
311
411
511
[1; 2000] {500,
200, 200,
200}
Magnetic Valves Off Delay
Time
SIGNED16
Delay from main spool position in
neutral position to valve controller
is disabled (ms).
A delay equal to default keeps the
valve controller constantly enabled.
115
315
415
515
[1;
30000]
30 000
TolsOut
SIGNED16
Time out value for main spool
position variable at dead band in
open loop control (ms)
116
316
416
516
[1;
30000]
10 000
TclpOut
SIGNED16
Time out value for main spool
position variable between Valve
opening threshold and dead band
in closed loop control [ms]
117
317
417
517
[1;
30000]
3000
Qth
SIGNED16
Valve Opening Threshold for main
spool position control in closed
loop.
118
318
418
518
[0; 100]
{50, 50,
50, 0}
Operation Manual
PVED-CL Controller for Electro-Hydraulic Steering, Version 1.38
Appendix
114 |
©
Danfoss | May 2016
11025583 | AQ00000216en-US0302