Preface P–11
Publication 1336 IMPACT-6.2 – March 1998
Enable Input
The Enable Input is a terminal connection on the L Option Board.
This connection provides an external input to enable or disable the
Drive Output section. It must be true to permit the drive to operate.
False
False refers to a logical false state. For instance, an L Option signal
on TB3 is false when the input contact is open or the appropriate
voltage is not applied to the L Option Board.
Jumper
A jumper completes a circuit between two pins within a male
connector on a drive board. In the absence of certain optional
equipment using female connectors, jumpers are applied to certain
pins within a male connector to complete specific and necessary
circuits.
L Option Board
An L Option Board plugs into connectors J7 and J9, located on the
lower portion of the Main Control Board. This board is identified as
L4, L5, L6, L7E, L8E, and L9E and provides optional control wiring
configurations for a drive.
Not External Fault Input
The Not External Fault Input is a terminal connection on the L
Option Board. This connection provides an external input for use as
an Auxiliary Interlock. Unless this interlock is closed, the drive will
be faulted with an External Fault.
Parameter
Parameters are programmable drive functions that define various
operating functions or status displays of a drive. Refer to Bulletin
1336 IMPACT Adjustable Frequency AC Drive User Manual for
parameter details.
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