Siemens programming the cpu 314c-2dp User Manual

 

 

 

 

 

 

 

   

 

 

 

 

T I A  Training Document

 

Page 21 of 25 

  Module 

 

 
We are writing the program to be tested in the statement list language (STL), and it only contains two 
lines.  
Here, the frequencies of the MB100 clock memory byte activated in the hardware are to be read out 
on an output byte. 
 

Assignment list: 
 
MB100 

Clock   

Clock memory byte 

AB0 

 AB 

 Display 

 

A cycle duration/frequency is assigned to each bit of the clock memory byte. Assignment is as 
follows: 

 

Clock duration (s):   

2 

1.6 1  0.8 0.5 0.4 0.2 0.1 

Frequency 

(Hz):  

0.5 0.625 

1  1.25 

2  2.5 5  10 

 
 

14.   In the 'SIMATIC Manager', mark the 'Blocks' folder.( 

→ SIMATIC Manager → Blocks) 

 

 

 

 

 

Foreword                     Notes                      Hardware configuration                      STEP 7 program                     Testing 

A5 

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