I-DRIVE TECHNICAL MANUAL – INSTALLATION PG DRIVES TECHNOLOGY
4.12.5 Inhibit 2 Speed
This parameter sets the maximum speed of the machine when the Inhibit 2 input is active and the Target is set as Forward Drive,
Reverse Drive or both. The parameter is adjustable between 0 and 100% in steps of 1%.
When Inhibit Speed = 0 this acts as an inhibit. At this time the controller will refer to the Inhibit
Operation parameter to establish what type of inhibit will be created.
If the Inhibit Speed is greater than 0 then the controller will not enter an inhibit state.
4.12.6 Inhibit 2 Operation
This parameter is only effective if the Inhibit 2 Speed parameter has been set to 0.
The parameter can be set to one of two states:
Latched Means the inhibitor, such as a safety switch, must be deactivated and the controller turned off and
on before the machine can be operated again.
Non-Latched Means the controller can be reset to an operational state by removing the inhibitor.
If set to Latched, then when Inhibit 2 is active the TruCharge display will flash 6 bars and a trip will appear in the diagnostic log.
Example 1 - To provide a speed inhibit function that is active when Inhibit 2 is connected to 0V and is non-latching, program as
follows.
Mode = Pull low
Target = Forward Drive and Reverse Drive
Speed Limit Value = 40%
Operation = Non-Latched
If this inhibit is activated, the controller will cause the machine to decelerate to the programmed speed limit value. This could be
activated by a microswitch on a brush head lever that is closed when the brush is lowered to the ground. In this instance the
TruCharge indicator will remain unchanged.
Example 2 - To provide a trip inhibit function that is active when Inhibit 2 is connected to 0V and is latching, program as below.
Mode = Pull low
Target = Forward Drive and Reverse Drive
Speed Limit Value = 0
Operation = Latching
If this inhibit is activated, the controller will not allow drive. This could be activated by an on-board charger being connected to
the line. The TruCharge indicator will display a 6-bar trip.
4.12.7 Tiller Switch
If the machine is fitted with a tiller switch, it should be connected to this pin. For 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
Tiller Switch
parameter. Refer to
Chapter 3 for details.
If set to No, then pin 14 will operate in the normal way, i.e. as Inhibit 2.
If set to Yes, drive will only commence when pin 14 is connected to 0V and throttle demand is detected.
Tiller Switch functionality is standard on i140 and i180 only. Please contact PGDT if this
functionality is required on your i45 or i70 application.
SK76977-07 48
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