Siemens 620 사용자 설명서

7-30

SIMATIC Box PC 620  Manual

A5E00131465-01

The power supply of the 3.5” hard disk is effected via this connection.

1

P12V

+12 V

Output

2

GND

Ground

–

3

GND

Ground

–

4

P5V

+ 5V

Output

The CPU fan is connected via this connection.

1

GND

Ground

–

2

+12V

Switched power supply

Output

3

CPU FAN_CLK

Speed signal

Input

The device fan is connected via this connection.

1

+12V

Switched power supply

Output

2

GND

Ground

–

The battery for the standby supply to the CMOS RAM is connected to this
connection. A 3.6 V lithium battery with a capacity of 750 mAh is used.

1

+

Positive pole

Input

2

–

Negative pole

–