Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 - Manual (Page 158)

Technical data of CPU 31xC
6.6 Technical data of the integrated I/O
CPU 31xC and CPU 31x, Technical data
6-48
Manual, Edition 08/2004, A5E00105475-05
Technical data
CPU 312C CPU 313C CPU 313C-2 CPU 314C-2
Data for the selection of an encoder for
standard DI
CPU 312C CPU 313C CPU 313C-2 CPU 314C-2
Input voltage
• Rated value 24 VDC
• For signal "1" 15 V to 30 V
• For signal "0" -3 V to 5 V
Input current
• For signal "1" Typically 9 mA
Delay of standard inputs
• Configurable 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.
• Rated value 3 ms
For using technological functions:
"Minimum pulse width/ minimum pause
between pulses at maximum counting
frequency"
48 μs 16 μs 16 μs 8 μs
Input characteristics curve to IEC 1131, type 1
Connection of 2­wire BEROs Possible
• Permitted quiescent current Max. 1,5 mA
6.6.7 Digital outputs
Introduction
This chapter contains the specifications for the digital outputs of CPUs 31xC.
The table includes the following CPUs:
•
under CPU 313C-2, the CPU 313C-2 DP and CPU 313C-2 PtP
• under CPU 314C-2, the CPU 314C-2 DP and CPU 314C-2 PtP
Fast digital outputs
Technological functions use fast digital outputs.