Interface Allocation For Connecting A Front On The Main Board - Siemens SIMATIC PC 670 Equipment Manual

Release 04/02
7.5.2

Interface allocation for connecting a front on the main board

Interface
Display (CMOS)
Display (LVDS)
I/O Front
COM 2
Display port (CMOS, X420)
D-STN and TFT displays with 5 V CMOS port and VGA resolution (640x480) can
be connected to this port. The display is selected and the D-STN/TFT signals are
allocated automatically according to the Display Select inputs. The maximum cable
length is 50 cm at a display clock rate of 25 MHz.
Panel PC 670 Computing Unit, Equipment Manual
Posi- Con- Description
tion nector
Internal X420 Connection of LC displays with CMOS port
Internal X400 Connection of LC displays with single chip
LVDS port
Internal X44 Port for front-panel I/O
Internal X26 Internal COM2 port
Hardware Information
7-19