PG DRIVES TECHNOLOGY I-DRIVE TECHNICAL MANUAL – INSTALLATION
4.7.3 Reverse Direction Switch
If the machine is fitted with direction switches, the reverse direction switch should be connected to this pin. For reverse drive to
commence, this switch must be closed in conjunction with throttle demand. The function of the switch is programmable and
can be changed using the
Direction Switches parameter. Refer to Chapter 3 for details.
If set to No, then pin 12 will operate in the normal way, i.e. reverse switch input for single-ended and unipolar throttles.
If set to Yes, reverse drive will only commence when pin 12 is connected to 0V and throttle demand is detected.
Direction Switch functionality is standard on i140 and i180 only. Please contact PGDT if this
functionality is required on your i45 or i70 application.
4.8 Auxiliary 2 Output
Pin 3 is a self-protected output, which can be programmed to operate one of a range of functions depending on the machine’s
specifications. The parameter that must be programmed is
Auxiliary 2 Output Mode.
The current rating of pin 3 is dependent on the model of i-Drive and will be altered if the Auxiliary 3 Output is operated at the
same time.
Model Pin 3 - Aux 2 Output only Pin 3 - Simultaneous Aux 3 Output operation
i24-45 & i24-70 800mA 500mA
i36-45 & i36-70 420mA 340mA
i24-140 & i24-180 1A 1A
i36-140 & i36-140 1A 1A
The
Auxiliary 2 Output Mode parameter sets when this output will be active.
The output can be used to control a Diagnostic/Reverse Alarm, a Brake Light or an Auxiliary load.
4.8.1 Diagnostic/Reverse Alarm
To install a 24V / 36V sounder (dependant on i-Drive model) the positive terminal of the sounder should be connected, via the
On/Off switch, to battery positive. The negative terminal of the sounder should be connected to pin 3.
To enable this function,
Auxiliary 2 Output Mode should be set to Diagnostic/Reverse Alarm.
Once configured as a Reverse Alarm the output can be programmed to work three further functions. Each parameter must be
programmed individually. Refer to
Chapter 3 for details.
Brake Alarm If an open circuit in the brake wiring is detected, such as when the freewheel switch is activated, the
alarm will sound.
Low Batt Alarm The alarm will sound when the battery voltage reaches the programmed Battery Lockout value.
Diagnostic Alarm This will create a pulsed type alarm, which will sound the equivalent of the TruCharge diagnostic
indicator.
SK76977-07 41
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