Hardware Information

DC Port of the Power Supply Unit 105W

The power supply unit has a connector (X2) through which all the signals on the DC side are connected with the motherboard.

Pin no.

Designation

Description

 

 

 

1

P5V

+5V

 

 

 

2

P5V

+5V

 

 

 

3

P5V

+5V

 

 

 

4

P5V

+5V

 

 

 

5

P5V

+5V

 

 

 

6

PS_NAU_N

Power failure early warning alarm

 

 

 

7

PS_PWROK

Power Good Signal

 

 

 

8

GND

Ground

 

 

 

9

GND

Ground

 

 

 

10

GND

Ground

 

 

 

11

N12V

–12V

 

 

 

12

GND

Ground

 

 

 

13

GND

Ground

 

 

 

14

GND

Ground

 

 

 

15

P12V

+12V

 

 

 

16

P12V

+12V

 

 

 

17

P3V

+3.3V

 

 

 

18

P3V

+3.3V

 

 

 

19

P3V

+3.3V

 

 

 

20

P3V

+3.3V

 

 

 

7-26

SIMATIC Box PC 620 Manual

A5E00131465-01

Page 158
Image 158
Siemens 620 appendix DC Port of the Power Supply Unit 105W, Pin no Designation Description, P3V