Curtis 1243GEN2 Manual
22
3 — PROGRAMMABLE PARAMETERS:
Braking Parameters
mode. If the controller is in braking mode, the quick start function is disabled,
allowing normal braking to occur. Quick start is adjustable from 0 to 10.
Increasing the value will “liven” the vehicle’s acceleration response to fast throttle
movements.
The quick start parameter is tuned as part of the vehicle performance
adjustment process (Section 5).
NOTE: Quick start is not a MultiMode™ parameter, and its value will
therefore affect all four operating modes.
CURRENT RATIO
The current ratio parameter defines how much of the programmed drive
current will be available to the motor at reduced throttle requests. The current
ratio parameter can be set to 1, 2, 3, or 4. These settings correspond to the
following ratios:
SETTING RATIO
1 1 : 1
2 2 : 1
3 4 : 1
4 8 : 1
For example, with the current ratio set at 1 with 20% throttle requested, 20%
of the battery voltage and 20% of the drive current will be allowed to flow in the
motor (assuming a 50% throttle map setting). If the current ratio is set at 2
under these same conditions, 40% of the current will be available; if it is set at
3, 80%. The controller will not allow more than the programmed drive current
to flow in the motor. If the current ratio is set at 4 with 20% throttle requested,
the controller will allow only 100% of the drive current and not 160%.
High current ratio values will allow quicker startup response and im-
proved ramp climbing with partial throttle, but may cause too much jumpiness.
The current ratio parameter is tuned as part of the vehicle performance
adjustment process (Section 5).
Note: Current ratio is only effective in drive; it does not affect regen.
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