11
3
Digital Keypad Operation
Chapter 3 describes the various controls and indicators found on the digital keypad of the VFD-A
AC drive. The information in this chapter should be read and understood before performing the
start-up procedures described in Chapter 4.
Description of the Digital Keypad
Explanation of Screen Display
Digital Keypad Operating Modes & Programming steps
Description of the Digital Keypad
Digital Keypad Parts and Functions
This digital keypad module includes two parts: display panel and a keypad. The display panel
allows the user to program the AC drive, as well as view the different operating parameters. The
keypad is the user interface to the AC motor drive. Refer to the following figure for a description of
the different parts.
RUN STOP JOG FWD REV
JOG
RUN STOP
FWD
REV
RESET
PRGM
FUNC
DATA
Up and down keys
Forward / Reverse key
Jog key
Run key
LED display
LED indication
Program / Reset key
Starts inverter drive
operation.
Indicates frequency, motor current
and alarm contents.
Sets the parameter number or changes
the numerical data such as the
frequency reference.
Selects normal mode / program mode.
Displays the motor drive status, such
as output freq., selects the
parameters, FWD/REV or output
current
etc.
Function / Data key
Displays the motor drive status, such as frequency
reference, output frequency or output current under
the normal mode; or sets parameters under the
program mode.
Red lamp lights during RUN,
STOP, JOG, FWD, or
REV operation.
Selects FWD or REV operation.
While pressing this key, jog
speed is available.
Stop key
Stops AC Motor Drive operation.
RESET
PRGM
Program / Reset
Used to select the Normal mode of operation or to program the AC drive when either the
drive is running or has stopped. Switch to the PRGM mode to select a parameter or change
the setting of a parameter. If the AC drive has stopped due to a fault, press this button to
reset the drive.
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