5 diagnostics, 6 digital inputs – Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 User Manual
Page 156

Technical data of CPU 31xC
6.6 Technical data of the integrated I/O
CPU 31xC and CPU 31x, Technical data
6-46
Manual, Edition 08/2004, A5E00105475-05
31 30 29 28 27 26 25 24
16 15
…
8
7
6
5
4
3
2
1
…
Bit no.
PRAL: process interrupt
Inputs are designated with default addresses.
reserved
23
PRAL from E124.0
PRAL from E124.7
PRAL from E125.0
PRAL from E125.7
PRAL from E126.0
PRAL from E126.7
Figure 6-9
Displaying the statuses of CPU 31xC interrupt inputs
PRAL: process interrupt
The inputs are assigned default addresses.
6.6.5
Diagnostics
Standard I/O
Diagnostic data is not available for integrated I/O which is operated as standard I/O (see also
the Reference Manual
Module Data).
Technological functions
Diagnostics options for the respective technological function are found in the Manual
Technological Functions.
6.6.6
Digital inputs
Introduction
This section provides the specifications for the digital inputs 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