Power Supply Connection - Siemens SIMATIC PC RI25/45 Technical Description

3.2.1

Power Supply Connection

Input The input consists of two 6-pin power supply connectors with standard pinout
and AT power supply coding. An additional Molex 8619 connector supports
the +5 V / GND.
Output The output consists of two 6-pin power supply connectors with standard
pinout and AT power supply coding to connect a CPU module.
Input and output connectors are individual that is, with the exception of the
Power-Good-Signals all power lines are interconnected.
Plug Connector P402B
1 2 3 4 5 6
Plug Connector P400B
1 2 3 4 5 6
SIMATIC PC RI25/45, Technical Description
C79000-G7076-C808-01
Power supply input:
Pin Description
1 GND
2 GND
3 – 5V
4 + 5V
5 + 5V
6 + 5V
Output towards CPU board:
Pin Description
1 GND
2 GND
3 – 5V
4 + 5V
5 + 5V
6 + 5V
Bus Board
3-3