4-14
SIMATIC PC RI25/45, Technical Description
C79000-G7076-C808-01
4.8
Hardware Ports
Standard design: 2-row, 40-pin plug connector
Pin
Signal
Type
1
Reset
E
2
Speaker
A
3
NC (Coding)
4
+5V
V
5
GND
V
6
Power LED/green
A
7
NC
8
Keyboard lock
E
9
HD LED/+ (VCC via 330)
A
10
HD LED/green (OC)
A
11
Display 2 Segment 0
A
12
Display 1 Segment 0
A
13
Display2 Segment 1
A
14
Display1 Segment 1
A
15
Display2 Segment 2
A
16
Display1 Segment 2
A
17
Display2 Segment 3
A
18
Display1 Segment 3
A
19
Display2 Segment 4
A
20
Display1 Segment 4
A
21
Display2 Segment 5
A
22
Display1 Segment 5
A
23
Display2 Segment 6
A
24
Display1 Segment 6
A
25
NC
26
NC
27
NC
28
NC
29
NC
30
LED Temp, red
A
31
LED Temp, green
A
32
LED Temp, red
A
33
LED Run, green
A
34
NC
35
LED FDD, green
A
36
NC
37
NC
38
NC
39
NC
40
NC
Signal Output
towards Display
Panel (X2)
Signal
Assignments
Monitoring Module