Operator control (hardware)
3
3.1 Operator control and display elements
3.1.1 LED displays
Arrangement of LED displays
The front panel of the control unit has eight LED displays arranged in two rows of four. The
following table indicates the possible LED states and their meaning.
7-segment display
Figure 3-1 LED display on control unit
D4xx
Manual, 12.2004, 6AU1900-1AJ32-0BA0
3-1
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