Technical data

Hardware Information
6-25
SIMATIC Panel PC 670 Computing Unit Equipment Manual
Edition 12/01
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. The maximum cable length is
50 cm at a USB data rate of 12 Mbaud.
Pin No. Signal Name Remark
1 GND Chassis ground
2 P12V Power supply for inverter (max. 0.6 A)
3 BL_ON Backlight on (5 V to 12 V = On)
4 P5V_fused +5 V VCC (fused)
5 GND Chassis ground
6 P3V3_fused +3.3 V VCC (fused)
7 K_CLK Keyboard clock
8 K_DATA Keyboard data
9 M_CLK Mouse clock
10 M_DATA Mouse data
11 P5V_fused +5 V VCC (fused)
12 USB_D1M USB Data– port 1
13 USB_D1P USB Data+ port 1
14 GND Chassis 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
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, anode with 1 kΩ in series on motherboard
22 DP_LED MPI/DP LED, anode with 1 kΩ in series on motherboard
23 Ethernet_LED Ethernet LED, anode with 1 kΩ in series on motherboard
24 TEMP_ERR LED temperature drift, anode with 1 kΩ in series on motherboard
25 RUN_R LED WatchDog error, anode with 1 kΩ in series on motherboard
26 RUN_G LED WatchDog OK, anode with 1 kΩ in series on motherboard