Curtis 1220E handleiding
Handleiding
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3 — PROGRAMMABLE PARAMETERS
Curtis Model 1220E – August 2022 Return to TOC
pg. 28
NAME
ALLOWABLE
RANGE RAW DATA DESCRIPTION
Stall Timeout
(0x352B00, 16bits)
0 – 2500ms
0 – 2500
This parameter denes the timeout time for the motor stalled fault check.
Stall PWM
(0x352C00, 16bits)
25% – 100%
4096 – 16383
This parameter clamps the PWM of the steer controller’s output if a steer motor
stalled fault is declared and the target PWM is greater than the stall PWM value
or the motor current is greater than 95% of the drive current limit.
FOLLOWING ERROR
NAME
ALLOWABLE
RANGE RAW DATA DESCRIPTION
Error Tolerance
(0x379200, 16bits)
2.0° – 90.0°
364 – 16383
Denes the maximum difference allowed between Steering Command (deg)
and Wheel Position (deg). The difference can be seen in the monitor variable
Following Error (deg).
If the programmed Error Tolerance (deg) is exceeded for the programmed Error
Time while the wheel speed is less than the programmed Speed Tolerance, a
Following Error fault is issued.
A setting of Error Tolerance (deg) = 90.0° turns off this fault check.
Speed Tolerance
(0x382400, 16bits)
0 – 500rpm
0 – 500
This parameter denes the minimum allowed speed for the steered wheel.
This is a second condition for the Following Error check. By checking the velocity
of the steered wheel (rst derivative of Wheel Position) this check ensures that the
steered wheel is moving in the correct direction at or above the minimum allowed
speed. The wheel speed can be seen in the monitor variable Motor RPM. A setting
of Speed Tolerance = 0.0 removes the inuence of steered wheel speed from the
Following Error check.
Setting Speed Tolerance to a value greater than zero (thus enabling the inuence
of wheel speed in the Following Error check) should allow the Error Tolerance (deg)
and Error Time parameters to be set lower without false fault trips.
Setting Error Time lower allows the Following Error fault to be detected more quickly.
Error Time
(0x379700, 16bits)
0.1 – 10.0s
25 – 2500
Denes how long Error Tolerance (deg) can be exceeded if the steered wheel is
not moving in the right direction with a Wheel Speed equal to or greater than the
Speed Tolerance.
Since the rst derivative (Wheel Speed) is inherently noisy, the timer
is implemented as a count-up/count-down timer (Following Error Time
accumulated) where the fault time is set by the parameter Error Time.
Example: If Error Tolerance (deg) = 5 and Speed Tolerance = 10, the Following
Error Time Accumulated will count up when the Error Tolerance is >5 and the
Wheel Speed <10. Following Error Time Accumulated will count down if either
the Error Tolerance ≤ 5 or the Wheel Speed ≥10. Error Time must be set long
enough for the steered wheel to reverse direction and reach the minimum speed
(Speed Tolerance) under the worst case conditions.
Detection Method
(0x379800, 16bits)
0 – 1
0 – 1
Denes the error timer counting method:
0 = Count only after the command input has stopped.
1 = Always count.
SUPERVISION, cont'd
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Productinformatie
| Merk | Curtis |
| Model | 1220E |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 9449 MB |
