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Keypad (HMI) and Basic Programming
4 KEYPAD (HMI) AND BASIC PROGRAMMING
4.1 USE OF THE KEYPAD TO OPERATE THE INVERTER
Through the HMI, it is possible to command the inverter, visualize and adjust all of its parameters.
The Keypad features the following functions:
Selects (toggles) display
between the parameter
number and its value
(position/content).
Decreases the frequency,
parameter number or
parameter value.
Increases the frequency,
parameter number and
parameter value.
Enables/disables the inverter via
acceleration/deceleration ramp
(start/stop, according to P229).
Resets the inverter after a fault
event.
Figure 4.1:
HMI keys
4.2 INDICATIONS ON THE HMI DISPLAY
Inverter status
Direction of
rotation
Unit of measurement
(it refers to the value
of the main display)
Bar graph to
monitor the
variable
Main display
Figure 4.2:
Display areas
4.3 OPERATING MODES OF THE HMI
When energizing the inverter, the initial state of the keypad remains in the start-up mode as
long as there is no fault, alarm, undervoltage or any key is pressed.
The setting mode is composed of two levels: level 1 allows the navigation through the
parameters. And level 2 allows the edition of the parameter selected at level 1. At the end of
this level the modified value is saved when the key is pressed.
illustrates the basic navigation of the operating modes of the HMI.
