Siemens 620 appendix Assignment of the Front Ports on the Motherboard, Display Port Cmos

Hardware Information

7.5.2Assignment of the Front Ports on the Motherboard

Port	Position	Connector	Description
Display (CMOS)	Internal	X420	Connection of LC displays with CMOS port
Display (LVDS)	Internal	X400	Connection of LC displays with single chip
			LVDS port
I/O Front	Internal	X44	Port for front Front I/O
COM2	Internal	X26	Internal COM2 port

Display Port (CMOS, X420)

D-STN and TFT displays with 5V CMOS port and VGA resolution (640x480) can be connected to this port. The display is selected and the D-STN/TFT signals allocated automatically in accordance with the coding of the Display Select inputs. The maximum cable length is 50 cm with a display clock rate of 25 MHz.

7-18	SIMATIC Box PC 620 Manual
	A5E00131465-01