Curtis 1298 User Manual

Curtis 1298 Manual, OS 11
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In the Speed Mode
» Speed Controller menu, set the Max
Speed to low value (
≈1000 rpm), as high speed operation
is not needed to observe system response.
*
Set Soft Stop Speed parameter to 0 rpm to disable the soft
stop speed function (see Restraint menu, page 35).
• Cycle KSI to clear any faults.
• Using very quick, pulsing throttle movements, increase the
throttle and then release it to 0%. The intent is to give the
speed controller torque impulses.
• Increase Kp and repeat the throttle tests. Increase Kp until you
start to notice marginal stability (normally motor bouncing, or
continuous oscillation in the gears, is heard). Note: It is possible
that very heavy vehicles will not experience marginal stability
even at the highest setting of Kp.
• Once the Kp setting for marginal stability is found, reduce
the Kp value in the 1311 by about one third (i.e., final Kp =
marginal stability Kp * 2/3).
• If you will be using Speed Mode Express, enter this Kp value
for the Kp parameter in the Speed Mode Express menu.
• Set the Brake Type, Accel/Decel Rates, Max Speed, and Soft
Stop Speed back to their original values.
d. In the Speed Mode
» Response menu, adjust the five Accel and Decel Rate
parameters as necessary while moving the throttle to different positions
(i.e., neutral to full throttle, half throttle to full throttle, full throttle to half
throttle, full throttle to neutral, neutral to low throttle, etc.).
e. In the Speed Mode
» Response menu, adjust the remaining three brake rate
parameters as necessary while reversing the throttle input (i.e., full throttle
forward to low throttle reverse, full throttle forward to full throttle reverse,
full throttle reverse to low throttle forward, etc.).
If a brake input is present in the application (Brake_Pedal_Enable = On)
continue adjusting these three brake rates until you are satisfied with the
response when brake is applied.
f. The parameters in the Speed Mode » Response » Fine Tuning menu typically
do not need to be changed as the default values work well in most applica
-
tions.
6 — TUNING GUIDE

Curtis 1298 Specifications

General

Brand	Curtis
Model	1298
Category	Controller
Language	English