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Siemens 620 Manual De Usuario

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Hardware Information
7-25
SIMATIC Box PC 620  Manual
A5E00131465-01
DC Port of the Power Supply Unit 85W
The power supply unit has a connector (X2) through which all the signals on the
DC side are connected with the motherboard.
Pin
No.
Row A
Description
Pin
No.
Row B
Description
1
PS_PWROK
Power Good Signal
1
PS_PWROK
Power Good Signal
2
TTY_VCC
Potential–free VCC  (15V ±
3V) for TTY port
2
TTY_VCC
Potential–free VCC (15V ±
3V) for TTY port
3
TTY_GND
TTY_GND
3
TTY_GND
TTY_GND
4
PS_NAU_N
Power failure early warning
alarm
4
PS_NAU_N
Power failure early warning
alarm
5
GND
GND
5
GND
GND
6
P12V
+12V
6
P12V
+12V
7
V_DC
for processor module
7
V_DC
for processor module
8
N12V
-12V
8
N12V
-12V
9
GND
GND
9
GND
GND
10
GND
GND
10
GND
GND
11
P3V3
+3.3V
11
P3V3
+3.3V
12
P3V3
+3.3V
12
P3V3
+3.3V
13
GND
GND
13
GND
GND
14
GND
GND
14
GND
GND
15
GND
GND
15
GND
GND
16
GND
GND
16
GND
GND
17
P5V
+5V
17
P5V
+5V
18
P5V
+5V
18
P5V
+5V
19
P5V
+5V
19
P5V
+5V
20
P5V
+5V
20
P5V
+5V