Transfer Case Control
The Transfer Case Control function allows for control of the Polaris RZR all-wheel drive system. This allows vehicle speed control of when the system can switch between 2WD and AWD.
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Page Contents |
Wiring Tab
Connections
Output
Select an available output wire, typically a DPO (Digital Pulsed Output) or Stepper Output that will be connected for the Control Relay.
Active State
Controls the whether the output is normal or inverted. Low will ground the output wire when the output is set to be On. Setting to High will invert this signal, with the output wire being grounded when the output is set to be Off, and not grounded when it is set to be On. (Default = Low)
AWD Switch
Select an appropriate input to use for the AWD Switch. An SPI or an AVI (Analogue Voltage Input) can be used.
SPI
An SPI (Synchronised Pulsed Input) requires configuring of the edge and the type of Sensor to be connected.
Edge Select
Falling is used when the input is grounded when the switch is activated. Rising is used when the input is supplied voltage when the switch is activated.
Sensor Type
Set to Hall Effect for all switch inputs
Pullup
Enables a pullup if required to generate a voltage when the switch is off.
AVI
An AVI will require Switch On and Switch Off voltages to be configured so the Elite ECU can know which voltages on the AVI meet the conditions required.
Switch On Voltage
The voltage either above or below where the switch is considered to be ON. When selecting an appropriate value some consideration should be given to allow for voltage fluctuations.
Switch Off Voltage
The voltage either above or below where the switch is considered to be OFF. When selecting an appropriate value some consideration should be given to allow for voltage fluctuations. Eg. if the switch is at 5V when it is Off and is grounded to 0V when the switch is On, you would set the On voltage to 1.0V and the Off Voltage to 4.0V.
Example 1
The switch is at 5V when it is Off and is grounded to 0V when the switch is On. Correct settings with tolerance would be to set the On voltage to 0.5V and the Off Voltage to 4.5V. i.e. when the voltage falls below 0.5V it is considered to be ON, and when it rises back above 4.5V it is considered to be OFF.
Example 2
The switch is at 2.5V when it is OFF, and is at 12V when it is ON. Correct settings with tolerance would be to set the On Voltage to 4.5V and the Off Voltage to 3.0V. i.e. when the voltage rises above 4.5V it is considered to be ON, and when it falls back below 3.0V it is considered to be OFF.
Settings Tab
Engagement
Controls when the transfer control will switch from 2WD to AWD.
Max Speed
When the switch is armed, the vehicle speed must be below this amount before the transition will occur.
Dis-engagement
Controls when the transfer control will switch from AWD to 2WD.
Max Speed
When the switch is dis-armed, the vehicle speed must be below this amount before the transition will occur.
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