Hardware Information
Release 11/02
7-16
SIMATIC Panel PC 870 Computing Unit, Equipment Manual
I/O port for front control elements
All the signals necessary for the connection of front control elements, in addition to
the display and USB ports, are applied to this port.
Pin No.
Short
Name
Meaning
Input / Output
1
GND
Ground
-
2
P12V
Power supply for inverter
3
BL_ON
Backlight on (5 V = On)
Output
4
P5V_fused
+5V (fused)
5
GND
Ground
-
6
P3V3_fused
+3.3 V VCC (fused)
7
K_CLK
Keyboard clock line
Output
8
K_DATA
Keyboard data line
Input / Output
9
M_CLK
Mouse clock
Output
10
M_DATA
Mouse data line
Input / Output
11
P5V_fused
+5V (fused)
Output
12
USB_D1M
USB data– port 1
13
USB_D1P
USB data+ port 1
Input / Output
14
GND
Ground
-
15
LCD_SEL0
Display type select signal 0
16
LCD_SEL1
Display type select signal 1
17
LCD_SEL2
Display type select signal 2
Input
18
LCD_SEL3
Display type select signal 3
19
RESET_N
Reset signal (Low active)
20
SPEAKER
Connection for system loudspeaker
21
HD_LED
HD LED*)
22
DP_LED
MPI/DP LED*)
23
Ethernet_LED
Ethernet LED*)
Output
24
TEMP_ERR
Temperature drift*)
25
RUN_R
WatchDog error*)
26
RUN_G
WatchDog OK*)
*)
anode with series-connected 1 k
Ω
resistor on the motherboard
Summary of Contents for Simatic PC Panel PC 870
Page 4: ...Chapter For your notes ...
Page 12: ...Contents Release 11 02 xii SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 94: ...Fault Diagnosis Release 11 02 6 10 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 130: ...Hardware Information Release 11 02 7 36 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 154: ...Index Release 11 02 Index 4 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...