Chapter 4: Programming the Rhino2
4.4.5.8 Remembered Load Compensation
Remembered
Load
Compensation
The controller records the amount of motor current that is required to hold the scooter
stationary just before the park brakes are applied. When the scooter starts off again, this
recorded value is used to calculate the starting load compensation value to reduce the
amount that the scooter rolls back. The Remembered Load Compensation parameter adjusts
the amount of this starting load compensation.
The Remembered Load Compensation parameter interacts with the following parameters:
Load Compensation Damping
Load Compensation
Park Brake Neutral Delay
When setting these parameters, follow the method below:
1. Adjust the Load Compensation parameter first to give correct driving performance.
2. Adjust Load Compensation Damping to minimise bucking, while keeping the system
responsive.
3. Adjust the Park Brake Neutral Delay parameter to provide acceptable rollback on
slopes and prevent jerking - higher values decrease jerking but give more rollback
and vice versa.
4. Adjust the Remembered Load Compensation to give acceptable starting
performance when the park brakes are released, both when driving on the flat and
on slopes. (Note: this parameter has no effect if the scooter stops and restarts driving
quickly such that the park brakes are never applied.)
4.4.5.9 Current Limit
0 – 90 (DS90)
0 – 120 (DS120)
0 – 160 (DS160)
DS90:
90A
DS120:
120A
DS160:
160A
Current Limit sets the maximum output current in Amperes that the RHINO2 will deliver to a
motor. A low value can affect the performance of the scooter, for example when the
scooter tries to climb up a curb.
The maximum useable setting depends on the current rating for the controller type, for
example 90A for the DS90. Higher settings have no effect on the controller.
Warning:
Do not set this parameter too high for the type of motor used.
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