Technical Data Of The Integrated I/O; Arrangement And Usage Of Integrated I/Os - Siemens Simatic S7-300 Technical Data Manual

Technical data of CPU 31xC

6.6 Technical data of the integrated I/O

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
CPU 312C: Pin-out of the integrated DI/DO (connector X11)
Standard
Zn
A, B
Vn
X
HW gate Gate control
Latch
6-28
Interrupt
Count
input
X
Z0 (A)
DI
X
Z0 (B)
DI
X Z0 (HW gate)
DI
X Z1 (A)
DI
X Z1 (B)
DI
X Z1 (HW gate)
DI
X Latch 0
DI
Latch 1
X
DI
X
DI
X
DI
V0
DO
V1
DO
DO
DO
DO
DO
Counter n
Encoder signals
Comparator n
Pin usable if not assigned to technology functions
Store counter distance
X11
1
2
DI+0.0
DI+0.1
3
4 DI+0.2
5 DI+0.3
6 DI+0.4
7
DI+0.5
8
DI+0.6
9
DI+0.7
10 DI+1.0
11
DI+1.1
12
2 M
13
1L+
DO+0.0
14
DO+0.1
15
DO+0.2
16
17
DO+0.3
18
DO+0.4
19 DO+0.5
1 M
20
Technical Functions
.
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05