6-1
FM 351 Positioning Function Module
EWA 4NEB 720 6001-02
Programming the FM 351
In order that you can use the FM 351 effectively, you have the functions
available in the form of a number of FCs. These function blocks are subdi-
vided into three groups:
Function blocks (FCs) which control the FM 351.
Function blocks (FCs) which write data, settings and commands to the
FM 351.
Function blocks (FCs) which read data from the FM 351.
In this chapter we describe how you can link the separate functions into your
user program. In addition you become familiar with and obtain experience of
the conditions surrounding the FCs, and what role the channel DB plays.
At the end of the chapter you will be able to control your FM 351 from your
program.
You will find a description of all FCs in the Chapters 6.2 to 6.4. These ex-
plain all the parameters.
Chapter 6.1 explains how you call the separate FCs.
You will find the following subjects in this chapter:
Section Contents Page
6.1 Principles of Programming an FM 351 6-2
6.2 Functions which Control the FM 351 6-10
6.3 Functions which Write Data to the FM 351 6-18
6.4 Functions which Read Data from the FM 351 6-28
6.5 Programming Example 6-32
6.6 Technical Data 6-35
The Programming
Package
The Learning
Objective
Reference
Chapter Overview
6
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