4 Operation
4.4 Handling the keypad
134 DA1 Variable Frequency Drives 11/16 MN04020005Z-EN www.eaton.com
4.4 Handling the keypad
The keypad can be used to configure the DA1 variable frequency drive’s 
parameters and monitor its operation.
4.4.1 Operating unit elements
The following figure shows the elements of the DA1 variable frequency drive 
integrated operating unit.
Figure 96:Operating unit view (example DA1-…-A20C)
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Manual MN04020006Z,
 
“DA1 Variable Frequency Drives – 
Parameter Manual”, goes over how to configure the individual 
parameters.
Display (7-digital LEDs)
Push buttons
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The integrated keypad on DA1-…-A20C devices and the 
(optional) external DX-KEY-LED keypad feature a six-digit 
7-segment LED display.
Meanwhile, DA1-…-B20C, DA1-…-B55C devices and the 
(optional) external DX-KEY-OLED keypad feature a multi-
language cleartext display (OLED = organic light-emitting diode 
display). The function keys work the exact same way.
The external DX-KEY-OLED keypad features two additional 
buttons (Hand, Auto). By default, these buttons do not do 
anything, and can only be configured (freely) in the PLC editor.
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On OLED displays, languages can be selected by pressing 
START +  simultaneously.
Display: Select Language.
The display language can be changed with the  and  arrow 
keys.
The selected language setting can then be saved by pressing 
the OK button.
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The START, STOP, UP, and DOWN buttons need to be enabled 
with parameter P1-12 (local process data source).