S-DRIVE - PROGRAMMING PG DRIVES TECHNOLOGY
SK76745/10
If there is no Slow/Fast switch fitted then only the Fast value will be relevant.
2.8 Min Reverse Speed
This sets the MINIMUM reverse speed of the scooter.
For this parameter to operate, a Speed Limiting Potentiometer must be fitted and correctly programmed. The Speed Limiting
Potentiometer must be fitted in Parallel, refer to Chapter 2 section 4.2. Under these conditions there are two available settings.
Fast This value is used when the scooter’s Speed Limiting potentiometer is set to Slow and the Slow/Fast switch is set
to Fast.
Slow This value is used when the scooter’s Speed Limiting potentiometer is set to Slow and the Slow/Fast switch is set
to Slow.
The value is displayed as a percentage of the scooters total available output. Therefore if the Fast value is set to 20% then the
scooter will be able to drive at up to 20% of the total available speed when the Slow/Fast switch is in the Fast position and the
Speed Limiting Potentiometer is in the Slow position.
This value is adjustable between 0 and 100% in steps of 1%.
If there is no Slow/Fast switch fitted then only the Fast value will be relevant.
This parameter cannot be set at a greater value than the Max Rev Speed.
2.9 Speed Limit Pot. Enabled
This sets whether the S-Drive detects if a parallel type Speed Limiting Potentiometer is connected to pin 9 of the Tiller Interface.
The parameter can be set to On or Off.
If set to On, then the S-Drive will check for the presence of a valid Speed Limiting potentiometer signal at pin 9, Refer to Chapter
2 section 4.2. If a valid signal is not detected the S-Drive will default to the programmed minimum speeds.
If set to Off, then the S-Drive will not perform any checks on pin 9.
PG Drives Technology recommend this parameter is set to ON if a parallel type Speed Limiting
Potentiometer is fitted.
If a series type Speed Limiting Potentiometer is fitted then this parameter must be set to OFF or
the scooter will only drive at the minimum programmed speed settings.
3 Operation Parameters
3.1 Throttle Invert
This selects the polarity of operation of a wig-wag throttle or, on a single-ended throttle system, the polarity of operation of the
reverse switch. You can set the Throttle Invert Polarity to On or Off.
On a wig-wag system, setting Throttle Invert Polarity to Off means that if the throttle potentiometer wiper is approaching the high
reference then direction will be forwards, On is opposite to this.
On a single-ended type system, Off means that if the reverse switch input is connected to switched 24V or 0V then direction will
be reverse, On is opposite to this.
3.2 Sleep Timer
A length of time can be set, such that if the controller accepts no valid input for that period of time, it will enter sleep mode.
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