Pin Assignment Of The Bus Board Connectors - Siemens SIMATIC Rack PC 840 V2 Operating Instructions Manual

16.2.3

Pin assignment of the bus board connectors

Pin assignment Auxiliary ATX
Pin No.
1, 2, 3
4, 5
6
FAN connector pinout
Pin No.
1
2
3
Note
For detailed information on the pin assignments of the interfaces, please contact Costumer
Support or the Repair Center.
SIMATIC Rack PC 840 V2
Operating Instructions, Edition 05/2006, A5E00248055-04
Abbreviation
GND
+ 3.3 V
+ 5 V
Abbreviation
GND
+ 12 V
NC
Meaning
Chassis ground
+ 3.3 V
+ 5 V
Meaning
Chassis ground
Power supply
-
Detailed descriptions
16.2 Bus board
Input /Output
Input /Output
-
Output
-
16-15