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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.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
SIMATIC Box PC 620 Manual
C79000-G7076-C639-04
Signal Name
Remark
GND
P12V
Power supply for inverter (max. 0.6A)
BL_ON
Backlight on (5V..12V = On)
P5V_fused
+5V VCC (fused)
GND
P3V3_fused
+3,3V VCC (fused)
K_CLK
Keyboard Clock
K_DATA
Keyboard Data
M_CLK
Mouse Clock
M_DATA
Mouse DATA
P5V_fused
+5V VCC (fused)
USB_D1M
USB Data- channel 1
USB_D1P
USB Data+ channel 1
GND
GND
LCD_SEL0
Display Type-Select Signal 0
LCD_SEL1
Display Type-Select Signal 1
LCD_SEL2
Display Type-Select Signal 2
LCD_SEL3
Display Type-Select Signal 3
RESET_N
Reset signal (low active)
SPEAKER
Connection for system speaker
HD_LED
HD LED, anode with 1kΩ in series on motherboard
DP_LED
MPI/DP LED, anode above 1kΩ in series on motherboard
Ethernet_LED
Ethernet LED, anode above 1kΩ in series on motherboard
TEMP_ERR
LED temperature error, anode with 1kΩ in series on
motherboard
RUN_R
LED watchDog error, anode with 1kΩ in series on
motherboard
RUN_G
LED watchdog o.k., anode with 1kΩ in series on motherboard
Hardware Information
8-29

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