Siemens CPU 31 Series Technical Data Manual page 158

Technical data of CPU 31xC
6.6 Technical data of the integrated I/O
Technical data
Status, interrupts, diagnostics
Status display
Interrupts
Diagnostics functions
Data for the selection of an encoder for
standard DI
Input voltage
Rated value
•
For signal "1"
•
For signal "0"
•
Input current
For signal "1"
•
Delay of standard inputs
Configurable
•
Rated value
•
For using technological functions:
"Minimum pulse width/ minimum pause
between pulses at maximum counting
frequency"
Input characteristics curve
Connection of 2wire BEROs
Permitted quiescent current
•
6-46
CPU 312C CPU 313C
CPU 312C CPU 313C
green LED per channel
Yes, if the corresponding channel is configured as interrupt input
•
For using technological functions, please refer to the
•
Functions
Manual.
no diagnostics when operated as standard I/O
•
For using technological functions, please refer to the
•
Functions
Manual.
CPU 312C CPU 313C
DC 24 V
15 V to 30 V
-3 V to 5 V
Typically 9 mA
Yes (0.1 / 0.5 / 3 / 15 ms)
You can reconfigure the input delay of the standard inputs during program
runtime. Please note that your newly set filter time may only take effect
after the previously set filter time has expired.
3 ms
48 μs 16 μs
to IEC 1131, type 1
Possible
Max. 1,5 mA
CPU 313C-2 CPU 314C-2
CPU 313C-2 CPU 314C-2
Technological
Technological
CPU 313C-2 CPU 314C-2
16 μs 8 μs
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06