I-DRIVE TECHNICAL MANUAL – INSTALLATION PG DRIVES TECHNOLOGY
Motor Compensation, Slope Factor, Anti-Rollback Level, Pull-Away Delay and Anti-Rollback Velocity. Refer to Chapter 3 for details.
5.2 Freewheeling
There are two typical methods for providing a machine freewheel function.
Disengaging the motor and brake assembly from the remainder of the drive train and allowing the wheels to freely
rotate.
Disengaging the solenoid brake from the motor and allowing the wheels and motor to rotate.
If the latter method is used, the i-Drive can detect the motor rotating above a certain speed and then brake it automatically,
thus removing the possibility of the machine freewheeling at an excessive speed. This function will operate if the machine is
switched off and even if there are no batteries fitted or connected.
It is the responsibility of the machine manufacturer to ensure that adequate precautions are
taken to warn the user against the hazards of freewheeling the machine at excessive speeds. It is
also the responsibility of the machine manufacturer to utilize a suitable freewheel mechanism to
reduce these risks. PGDT accepts no liability for losses of any kind resulting from excessive
freewheel speeds of a machine.
Do not freewheel the machine faster than the programmed Maximum Speed, e.g. by towing. PGDT
accepts no liability for losses of any kind arising from failure to comply with this condition.
6 Programming Connection
The i-Drive controller has a dedicated connector for a PGDT programming device, e.g. an SP1, DTT or PC Programmer. This
connector should be used for this purpose only.
The Molex 4-way connector can only be used as a communications port for a PGDT programmer.
PGDT accepts no liability for losses of any kind arising from failure to comply with this condition.
7 Batteries
Depending on the controller type, the i-Drive is designed for operation with either 24V or 36V lead acid batteries. The batteries
may be wet or gel electrolyte types.
Refer to
Section 1 to determine which model of i-Drive you have.
SK76977-07 50
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