Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 User Manual
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Technical data of CPU 31xC
6.6 Technical data of the integrated I/O
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
6-41
Parameters of standard DO
There are no parameters for standard digital outputs.
Parameters of standard AI
The table below gives you an overview of the parameters for standard analog inputs.
Table 6-9
Parameters of standard AI
Parameters
Value range
Default
Range of efficiency
Integration time (ms)
Interference suppression
(Hz)
(channel 0 to 3)
2,5/16,6/20
400/60/50
20
50
Channel
Channel
Measurement range
(channel 0 to 3)
Disabled/
+/- 20 mA/
0 ... 20 mA/
4 ... 20 mA/
+/- 10 V/
0 ... 10 V
+/- 10 V
Channel
Type of measurement
(channel 0 to 3)
Disabled/
V voltage/
I current
U voltage
Channel
Unit of measurement
(channel 4)
Celsius/Fahrenheit/
Kelvin
Celsius
Channel
Measurement range
(Pt 100 input; channel 4)
Disabled/
Pt 100/600 Ω
600 Ω
Channel
Type of measurement
(Pt 100 input; channel 4)
Disabled/
resistor/
thermocouple
Resistance
Channel
Reference
See also Chapter 4.3 in the
Module Data Reference Manual.