Siemens SIMATIC Box PC 840 Manual page 146

Hardware Information
Pin Assignment for ATX Power Supply Connector, X50
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
7-24
Designation Description
3.3V 3.3V power supply
3.3V 3.3V power supply
GND Ground
5V 5V power supply
GND Ground
5V 5V power supply
GND Ground
PowerGood
AUX-5V 5V aux. power suppy
12V 12V power supply
3.3V 3.3V power supply
–12V –12V power supply
GND Ground
PSOFF
GND Ground
GND Ground
GND Ground
–5V –5V power supply
5V 5V power supply
5V 5V power supply
Input / Output
Input
Input
-
Input
-
Input
-
Input
Input
Input
Input
Input
-
Output
-
-
Input
Input
Input
SIMATIC Box PC 840 Manual
A5E00085984-04