Create structure in ST with several levels

ebachs

Member
E
Join Date
May 2016
Location
Denmark
Posts
1
Hi there

I'm quiet new to PLC and just got into programming in ST. I'm having trouble in creating structs with more than one level - can anyone help me out?

What I want is:

struct.level1.level2.signal etc etc.

right now I'm only capable of creating structs with one level

struct.level1.signal

Thanks in advance!

Regards Esben
 
Example of nesting structs:

Code: 
VAR lev1 STRUCT
  lev2INT : INT ;
  lev2BOOL : BOOL ;
  lev2struct : STRUCT
     lev3INT : INT ;
     lev3BOOL : BOOL ;
   END_STRUCT ;
END_VAR ;
you then have

lev1.lev2INT
lev1.lev2BOOL
lev1.lev2struct.lev3INT
lev1.lev2struct.lev3BOOL
 

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