Siemens 620 appendix Port for Front Control Elements

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	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	Output
		on motherboard
22	DP_LED	MPI/DP LED, anode above 1kΩ in	Output
		series on motherboard
23	Ethernet_LED	Ethernet LED, anode above 1kΩ in	Output
		series on motherboard
24	TEMP_ERR	LED temperature error, anode with	Output
		1kΩ in series on motherboard
25	RUN_R	LED watchDog error, anode with 1kΩ	Output
		in series on motherboard
26	RUN_G	LED watchdog o.k., anode with 1kΩ	Output
		in series on motherboard

7-22	SIMATIC Box PC 620 Manual
	A5E00131465-01