Specifications

Hardware Information
7-22
SIMATIC Box PC 620 Manual
A5E00131465-01
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 Description Input / Output
1 GND Ground -
2 P12V Power supply for inverter Output
3 BL_ON Backlight on (5V = On) Output
4 P5V_fused +5V (fused) Output
5 GND Ground -
6 P3V3_fused +3.3V (fused) Output
7 K_CLK Keyboard clock Output
8 K_DATA Keyboard data Input / Output
9 M_CLK Mouse clock Output
10 M_DATA Mouse DATA Input / Output
11 P5V_fused +5V (fused) Output
12 USB_D1M USB data- channel 1 Input / Output
13 USB_D1P USB data+ channel 1 Input / Output
14 GND Ground -
15 LCD_SEL0 Display type-select signal 0 Input
16 LCD_SEL1 Display type-select signal 1 Input
17 LCD_SEL2 Display type-select signal 2 Input
18 LCD_SEL3 Display type-select signal 3 Input
19 RESET_N Reset signal (low active) Input
20 SPEAKER Connection for system speaker Output
21 HD_LED HD LED, anode with 1kΩ in series
on motherboard
Output
22 DP_LED MPI/DP LED, anode above 1kΩ in
series on motherboard
Output
23 Ethernet_LED Ethernet LED, anode above 1kΩ in
series on motherboard
Output
24 TEMP_ERR LED temperature error, anode with
1kΩ in series on motherboard
Output
25 RUN_R LED watchDog error, anode with 1kΩ
in series on motherboard
Output
26 RUN_G LED watchdog o.k., anode with 1kΩ
in series on motherboard
Output