Technical data of CPU 31xC   
6.6 Technical data of the integrated I/O 
  CPU 31xC and CPU 31x, Technical Data 
6-28  Manual, 01/2006 Edition, A5E00105475-06 
6.6  6.6 Technical data of the integrated I/O 
6.6.1  Arrangement and usage of integrated I/Os 
Introduction 
Integrated I/Os of CPUs 31xC can be used for technological functions or as standard I/O. 
The figures below illustrate possible usage of I/Os integrated in the CPUs. 
Reference 
Further information on integrated I/O is found in the Manual 
Technical Functions
. 
CPU 312C: Pin-out of the integrated DI/DO (connector X11) 
1
2
3
4
5
6
8
7
9
10
11
12
13
14
16
15
17
18
20
19
X11
DI
DI
DI
DI+0.1
DI+0.2
DI+0.3
DI+0.4
DI+0.5
DI+0.6
DI+0.7
X
X
X
X
X
X
X
X
Z0 (A)
Z0 (B)
Z0 (HW-Tor)
Z1 (A)
Z1 (B)
Z1 (HW-Tor)
Latch 0
Latch 1
V0
V1
DI+0.0
DI+1.1
DO+0.0
DO+0.1
DO+0.2
DO+0.3
DO+0.4
DO+0.5
DI+1. 0
DI
DI
DI
DI
DI
DI
DI
X
X
DO
DO
DO
DO
DO
DO
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