X20 system modules • Analog input modules • X20AI8321
296
X20 system User's Manual 3.10
4.3.13.5 Pinout
AI + 1 I
AI + 2 I
AI + 3 I
AI− 1 I
AI− 2 I
AI− 3 I
AI + 4 I
AI + 5 I
AI + 6 I
AI− 4 I
AI− 5 I
AI− 6 I
AI + 7 I
AI− 7 I
AI + 8 I
AI− 8 I
1
2
3
4
5
6
7
8
S
Figure 120: Pinout
4.3.13.6 Connection example
GND
+24 VDC
GND
+24 VDC
AI
I1
I3
I5
I7
I2
I4
I6
I8
I
I
I
I
I
I
I
I
Figure 121: Connection example
4.3.13.7 Input circuit diagram
PTC
Shunt
AI + x I
AI - x I
A/D
Converter
Input value
I/O status
LED (green)
Figure 122: Input circuit diagram
Summary of Contents for X20 System
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