Siemens SIMATIC Box PC 620 Manual page 160

Hardware Information
Allocation of the Display to Display Select Pins
The automatic configuration of one of 15 possible displays is effected via the
Display Select Inputs. The Display Select inputs are fitted with Pull-Up resistors,
i.e. if these inputs are not connected, they have a high level. In order to generate a
low level, the input must be connected to GND.
Nr. LCD_SEL3 LCD_SEL2
0 low
1 low
2 low
3 low
4 low
5 low
6 low
7 low
8 high
9 high
10 high
11 high
12 high
13 high
14 high
15 high
8-28
LCD_SEL1
low low
low low
low high
low high
high low
high low
high high
high high
low low
low low
low high
low high
high low
high low
high high
high high
LCD_SEL0 Display Type
low reserved
high reserved
low 640 x 480 (VGA), D-STN, 16 bit
high reserved
low 640 x 480 (VGA), TFT, 18 bit
high reserved
low 1024 x 768 (XGA), TFT, 18 bit
high 800 x 600 (SVGA), TFT, 18 bit
low reserved
high reserved
low reserved
high reserved
low reserved
high reserved
low reserved
high No display / DDC selected
display
SIMATIC Box PC 620 Manual
C79000-G7076-C639-04