Siemens SIMATIC Box PC 620 Manual page 160

Hardware Information
I/O Port for Front Control Elements
All the signals in addition to the Display and COM2 port which are necessary for
the connection of front control elements are applied to this port. The maximum
cable length is 50cm with a USB data transfer rate of 12MBaud.
Pin No. Designation
1 GND
2 P12V
3 BL_ON
4 P5V_fused
5 GND
6 P3V3_fused
7 K_CLK
8 K_DATA
9 M_CLK
10 M_DATA
11 P5V_fused
12 USB_D1M
13 USB_D1P
14 GND
15 LCD_SEL0
16 LCD_SEL1
17 LCD_SEL2
18 LCD_SEL3
19 RESET_N
20 SPEAKER
21 HD_LED
22 DP_LED
23 Ethernet_LED
24 TEMP_ERR
25 RUN_R
26 RUN_G
7-26
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Description
Ground
Power supply for inverter
Backlight on (5V = On)
+5V (fused)
Ground
+3.3V (fused)
Keyboard clock
Keyboard data
Mouse clock
Mouse DATA
+5V (fused)
USB data- channel 1
USB data+ channel 1
Ground
Display type-select signal 0
Display type-select signal 1
Display type-select signal 2
Display type-select signal 3
Reset signal (low active)
Connection for system speaker
HD LED, anode with 1kΩ in series
on motherboard
MPI/DP LED, anode above 1kΩ in
series on motherboard
Ethernet LED, anode above 1kΩ in
series on motherboard
LED temperature error, anode with
1kΩ in series on motherboard
LED watchDog error, anode with 1kΩ
in series on motherboard
LED watchdog o.k., anode with 1kΩ
in series on motherboard
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Industry Automation
Input / Output
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Output
Output
Output
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Output
Output
Input / Output
Output
Input / Output
Output
Input / Output
Input / Output
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Input
Input
Input
Input
Input
Output
Output
Output
Output
Output
Output
Output
SIMATIC Box PC 620 Manual
A5E00131465-03
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