05/02 AWB2725-1452GB
27
Analogue input modules
Type XIOC-8AI-I2 XIOC-8AI-U1 XIOC-8AI-U2
Input current range (0 to 7 channels) 4 to 20 mA – –
Input voltage range
– 0 to 10 V DC –10 to 10 V DC
Resolution 12 bit 12 bit 12 bit
Conversion time F 5 ms F 5 ms F 5 ms
Overall accuracy F G1 % (of end of scale) F G1 % (of end of scale) F G1 % (of end of scale)
Input resistance –
Voltage input – 100 kO 100 kO
Current input Typ. 100 O – –
Electrical isolation
Channel to internal circuitry Through optocouplers Through optocouplers Through optocouplers
Channel to channel
– – –
Number of channels 8 8 8
External connection Plug-in terminal block Plug-in terminal block Plug-in terminal block
Internal current consumption (5 V DC)
100 mA 100 mA 100 mA
External supply voltage 24 V DC (+20 %, –15 %), approx. 0.15 A (approx. 0.4 A with supply switched on)
External cabling 2-core shielded cable (F 20 m)
Weight 0.18 kg 0.18 kg 0.18 kg
XIOC-8AI-I2 XIOC-8AI-I2
XIOC-8AI-U1
XIOC-8AI-U2
XIOC-8AI-U1
Figure 32:
Terminal assignments for
modules
XIOC-8AI-I2 and
XIOC-8AI-U1/-U2
Figure 33: Module wiring
XIOC-8AI-U2
Figure 34: V/I diagram for the modules
+24 V H
0 V H
I/V
0+
1+
2+
3+
4+
5+
6+
7+
I/V
0–
1–
2–
3–
4–
5–
6–
7–
0 V
24 V H
I0 +
I0 –
I7 +
I7 –
4
12
20
0FFF
hex
07FF
hex
0000
hex
I
0
[mA]
V7 +
V0 +
V0 –
V7 –
0510
0FFF
hex
07FF
hex
0000
hex
U
0
[V]
0
0800
hex
10
–10
0000
hex
07FF
hex
U
0
[V]
