Detailed descriptions
17.1 Motherboard
SIMATIC Panel PC 877
17-22
Operating instructions, Release 07/2006, A5E00877780-01
Pinout of the CPU fan power supply, X41
Pin No.
Abbreviation
Meaning
Input/Output
1
GND
Ground
-
2
+12 V
Switched power supply
Output
3
CPU FAN_CLK
Clock signal
Input
Pinout of the main fan power supply, X42
Pin No.
Abbreviation
Meaning
Input/Output
1
GND
Ground
-
2
+12 V
Switched power supply
Output
3
PG1 FAN_CLK
Clock signal
Input
Additional power supply connector (12V) for devices with 19'' front, X45.
Pin No.
Abbreviation
Meaning
Input/Output
1
GND
Ground
-
2
GND
Ground
-
3
+12 V
12 V power supply
Input
4
-12 V
12 V power supply
Input
Connector for back-up battery, X49
A battery for buffering the CMOS RAM is connected to this connector. This is a 3.6 V Lithium
battery with a capacity of 750 mAh.
Pin No.
Abbreviation
Meaning
Input/Output
1
+
Plus pole
Input
2
-
Minus pole
-
Connection for On / Off switch connector, X53
Pin No.
Abbreviation
Meaning
Input/Output
1
Power On
On signal
Input
2
GND
Ground
-
Содержание SIMATIC PANEL PC 877
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Страница 10: ...Table of contents SIMATIC Panel PC 877 viii Operating instructions Release 07 2006 A5E00877780 01 ...
Страница 24: ...Description 3 3 Accessories SIMATIC Panel PC 877 3 6 Operating instructions Release 07 2006 A5E00877780 01 ...
Страница 68: ...Commissioning 8 7 USB SIMATIC Panel PC 877 8 14 Operating instructions Release 07 2006 A5E00877780 01 ...
Страница 280: ...Glossary SIMATIC Panel PC 877 Glossary 10 Operating instructions Release 07 2006 A5E00877780 01 ...