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

Page 150
Image 150
Siemens 620 appendix Assignment of the Front Ports on the Motherboard, Display Port Cmos