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Dynamic RHINO2 DS90 User Manual

Dynamic RHINO2 DS90
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Warning
If the throttle potentiometer is powered externally (not by T+ and T-), take extreme care to avoid ground shift.
The RHINO2 can interpret a ground shift voltage as a drive signal and the scooter might start driving. If the
throttle must be powered externally, either use additional hardware as described below or use the Neutral
Detect feature (see 5.9.3 Neutral Detect) to detect a ground shift and prevent a potential runaway.
5.9.2.1 Additional hardware to comply with ISO7176-14 2022 Clause 7.2
To make a single throttle wiper configuration compliant with the standard, extra hardware
is required to check if the throttle signal is valid.
One way to achieve this is to use a Neutral Detect (ND) switch that indicates if the throttle
is in the physical neutral position.
Figure 23: Neutral detect switch
Normally, the hardware transfers the Throttle Wiper voltage to the TW output directly.
However, if the ND switch indicates "Neutral", but the wiper signal is not at the neutral
value, the hardware must set the TW output to a "fault" value (higher than Maximum
Throttle Voltage or lower than Minimum Throttle Voltage ). A "fault" value causes the
controller to generate a fault and prevent driving. This makes sure that the scooter will
never drive if the throttle wiring is faulty. See also Throttle Testing.
The RHINO2 offers a Neutral Detect input, to which a Neutral Detect switch can be
connected directly without the use of additional hardware. See the next section for details.
5.9.3 Neutral Detect
The Neutral Detect function can be used in addition to a classic single wiper throttle to
check whether or not the throttle is in the physical neutral position. If the throttle signal
does not match the Neutral Detect signal, the controller generates a fault and does not
drive.
This makes sure that the scooter will never drive if the throttle wiring is faulty.
GBK51948 RHINO2
Installation Manual Issue 5
Installation and testing - Page 37

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Dynamic RHINO2 DS90 Specifications

General IconGeneral
BrandDynamic
ModelRHINO2 DS90
CategoryController
LanguageEnglish

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