Siemens programming the cpu 314c-2dp User Manual

 

 

 

 

 

 

 

   

 

 

 

 

T I A  Training Document

 

Page 7 of 25 

  Module 

 

Operator control and display elements 
The following illustration shows the operator control and display elements of a CPU 31xC. 
The arrangement and number of elements in some CPUs differ from this illustration. 

The figures show the following  
CPU elements: 
(1) Status and error displays 
(2) Slot for the Micro Memory Card (MMC), 
incl. the ejector 
(3) Connections of the integrated I/O. 
(4) Power supply connection 
(5) 1

st

  interface X2 (PtP or DP) 

(6) 1

st

 interface X1 (MPI) 

(7) Mode selector switch 

 
The following illustration shows the digital and analog inputs/outputs integrated on the CPU.    

The figure shows the following 
 integrated I/Os: 
(1) Analog I/Os 
(2) each with 8 digital inputs 
(3) each with 8 digital outputs 
(4) Front connectors (front 
doors are open) 

f            f

 

Foreword                     Notes                      

H

H

a

a

r

r

d

d

w

w

a

a

r

r

e

e

 

 

c

c

o

o

n

n

f

f

i

i

g

g

u

u

r

r

a

a

t

t

i

i

o

o

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n                      STEP 7 program  

 

Testing 

A5 

Issue date: 02/2008                                                                                                                          Programming the CPU 314C-2DP