Siemens SIMATIC PC 670 Equipment Manual page 150

Hardware Information
VGA interface
The VGA socket on the computing unit is assigned as follows:
Figure 7-9
Pin Short Name
No.
1 R
2 G
3 B
4 -
5 GND
6 GND
7 GND
8 GND
9 5 V
10 GND
11 -
12 DDC_DAT
13 EXT_H
14 EXT_V
15 DDC_CLK
7-18
6
11
1
10
5 15
VGA Socket Connector
Meaning
red
green
Blue
Not assigned
Chassis ground
Chassis ground
Chassis ground
Chassis ground
+5V (fused)
Chassis ground
Not assigned
Display Data Channel Data
Horizontal synchronizing
pulse
Vertical synchronizing pulse
Display Data Channel Clock
Input/
Output
Output
Output
Output
-
-
-
-
-
Output
-
-
Input/Output
Output
Output
Input/Output
Panel PC 670 Computing Unit, Equipment Manual
Release 04/02