Pc-Boards
- 28 - 02.20909.2710.1-06
7.6 Pc-board DS20BF
The pc-board DS20BF is the front panel with all buttons, rotary impulse encoder and all displays.
Functions
– operating/setup the machine
– display of parameters and malfunction codes
Picture pc-board DS20BF
X1
LED10LED11
S2
LED12
LED13
LED16
LED17
LED18
LED7 LED8
LED9
LED1
LED4LED3LED2
S1
LED5
LED6
LED14
LED15
Fig. 15: Pc-board DS20BF
Display test
The display board has an internal test function.
To execute the test press the buttons “arrow down“
(TA13) and “mode“
Mode
(TA4) at the same
time. At a machine with seperated front panels, the test can also be executed at the DS21BF with the but-
tons “2-stroke/4-stroke“ (TA2) and “slope“ (TA3).
Now the LCD-Display shows „Display Test“ and the version number of the operating system. Press any
button to start the first test, where all LEDs and the LCD-Display are turned on and off alternately. The
LCD-Display shows „LEDs on, Backlight off“.
Press any button to go to the next test. In this test all buttons are checked, by pressing all 12 buttons one
after another. The button which is to be pressed, is indicated by a lit LED. After that the rotary impulse en
-
coders are checked. The LCD-Display shows a cursor which can be moved by the rotary impulse encoders.
At first the cursor has to be moved to the left with the left rotary impulse encoder then to the right. After
that the cursor has to be moved to the left and right with the right rotary impulse encoder.
Then the test is completed and the LCD-Display shows „End of Tests“ and the machine goes back into
normal mode, which was displayed before the display test was executed.
At a machine with separated front panels, the pc-boards DS21BF and DS22BF are used.
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