Access a specific instruction of the function, function block or DFB type
(Original Document)
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At a Glance
The application-specific function may be accessed:
Calling a Function
The following table describes how to call a function.
Step
Action
1
Access the required editor.
2
Depending on the editor, select one of the following methods to open the function library:
  • Select the function to enter with the data editor. Once in the editor, right-click on the function (LD, FBD editors).
  • Right-click in the program editor and select the option FFB Input Assistant.
Note: The function input assistant window appears:
3
Select the type of FFB required (if it is not already entered).
4
Then select the name of the instance (where necessary and if available).
5
Many instructions have a customized entry help screen. You can access this screen by clicking the Special Assistant button.
6
Enter each parameter of the instruction (each instruction is explained in the relevant application-specific documentation):
  • in the customized detailed data entry screen,
    or
  • in the Prototype area of the Entry field.
7
Confirm by clicking Ok.