Detailed descriptions
16.1 Motherboard
SIMATIC HMI IPC677C
Operating Instructions, 04/2013, A5E02722710-04
209
Pin no. Short description
Meaning
Input / Output
7
Reserved
Reserved
-
8
Reserved
Reserved
-
9
Reserved
Reserved
-
10
Reserved
Reserved
-
11
P5V_fused
+5 V (fused)
Output
12
USB_D1M
USB data channel 10
Input / Output
13
USB_D1P
USB data+, channel 10
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 (active low)
Input
20
reserved
Reserved
-
21
HD_LED
HD LED, anode with 1 kOhm in series on the
motherboard
Output
22
DP_LED
MPI/DP LED, anode via 1 kOhm in series on the
motherboard
Output
23
Ethernet_LED
Ethernet LED, anode with 1 kOhm in series on the
motherboard
Output
24
TEMP_ERR
Temperature error LED, anode with 1 kOhm in series
on the motherboard
Output
25
RUN_R
Watchdog error LED, anode with 1 kOhm in series on
the motherboard
Output
26
RUN_G
Watchdog OK LED, anode with 1 kOhm in series on
the motherboard
Output
Pin Assignment of the USB 2.0 interface, X42
Pin no. Short description
Meaning
Input / Output
1
VCC
+ 5 V, fused
Output
2
USB5
USB5_M
Input / Output
3
USB5
USB5_P
Input / Output
4
GND
Ground
-
S1
S
Shield
-
S2
S1
Shield
-
Note
For detailed information on the pin assignments of the interfaces, please contact Customer