Hardware Information
Release 11/02
7-14
SIMATIC Panel PC 870 Computing Unit, Equipment Manual
7.5.2
Assignment of the front ports on the motherboard
Interface
Position
Connec-
tor
Description
Display IF (LVDS)
X300
Connection of LC display with single chip, LVDS
port
I/O front-panel IF
internal
X44
Port for front-panel I/O
COM 2
X33
Internal COM2 port
Display port (LVDS), X400
The TFT displays of the PC 670/870 with LVDS interface are connected to this
port. The display clock rate is between 20 MHz and 66 MHz.
Connector pin assignment:
Pin
No.
Short
Name
Meaning
Input / Output
1
P5V_D_fused
+5V (fused) Display VCC
2
P5V_D_fused
+5V (fused) Display VCC
3
RXIN0–
LVDS output signal, bit 0 (–)
4
RXIN0+
LVDS output signal, bit 0 (+)
5
P3V3_D_fused
+3,3V (fused), display VCC
Output
6
P3V3_D_fused
+3,3V (fused), display VCC
7
RXIN1–
LVDS output signal, bit 1 (–)
8
RXIN1+
LVDS output signal, bit 1 (+)
9
10
GND
Ground
-
11
RXIN2–
LVDS output signal, bit 2 (–)
12
RXIN2+
LVDS output signal, bit 2 (+)
Output
13
14
GND
Ground
-
15
RXCLKIN–
LVDS clock signal (–)
16
LVDS clock signal (+)
Output
17
18
GND
Ground
-
19
Reserved
20
Reserved
Summary of Contents for Simatic PC Panel PC 870
Page 4: ...Chapter For your notes ...
Page 12: ...Contents Release 11 02 xii SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 94: ...Fault Diagnosis Release 11 02 6 10 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 130: ...Hardware Information Release 11 02 7 36 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 154: ...Index Release 11 02 Index 4 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...