Siemens SIMATIC HMI IPC677C Operating Instructions Manual page 209

Pin no. Short description
7 Reserved
8 Reserved
9 Reserved
10 Reserved
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 reserved
21 HD_LED
22 DP_LED
23 Ethernet_LED
24 TEMP_ERR
25 RUN_R
26 RUN_G
Pin Assignment of the USB 2.0 interface, X42
Pin no. Short description
1 VCC
2 USB5
3 USB5
4 GND
S1 S
S2 S1
Note
For detailed information on the pin assignments of the interfaces, please contact Customer
Support (http://www.siemens.com/automation/service&support) or the Repair Center.
SIMATIC HMI IPC677C
Operating Instructions, 04/2013, A5E02722710-04
Meaning
Reserved
Reserved
Reserved
Reserved
+5 V (fused)
USB data channel 10
USB data+, channel 10
Ground
Display Type-Select Signal 0
Display Type-Select Signal 1
Display Type-Select Signal 2
Display Type-Select Signal 3
Reset signal (active low)
Reserved
HD LED, anode with 1 kOhm in series on the
motherboard
MPI/DP LED, anode via 1 kOhm in series on the
motherboard
Ethernet LED, anode with 1 kOhm in series on the
motherboard
Temperature error LED, anode with 1 kOhm in series
on the motherboard
Watchdog error LED, anode with 1 kOhm in series on
the motherboard
Watchdog OK LED, anode with 1 kOhm in series on
the motherboard
Meaning
+ 5 V, fused
USB5_M
USB5_P
Ground
Shield
Shield
Detailed descriptions
16.1 Motherboard
Input / Output
-
-
-
-
Output
Input / Output
Input / Output
-
Input
Input
Input
Input
Input
-
Output
Output
Output
Output
Output
Output
Input / Output
Output
Input / Output
Input / Output
-
-
-
209