Rockwell Automation Logix5000 Controllers Function Block Diagram Programming Manual - Manual (Page 5)

Table of contents
Studio 5000 environment ..................................................................................... 7
Additional resources ............................................................................................... 7
Chapter 1
Introduction ....................................................................................................... 9
Choose the function block elements ................................................................. 10
Choose a tag name for an element ..................................................................... 10
Define the order of execution ............................................................................. 11
Data latching .................................................................................................. 11
Order of execution ........................................................................................ 13
Resolve a loop ................................................................................................. 14
Resolve data flow between two blocks ....................................................... 15
Create a one scan delay ................................................................................. 16
Summary ......................................................................................................... 16
Identify any connectors ....................................................................................... 17
Define program/operator control ..................................................................... 17
Add a sheet ............................................................................................................. 20
Add a function block element ............................................................................ 20
Create a text box ................................................................................................... 21
Language switching ....................................................................................... 22
Connect elements ................................................................................................. 23
Show or hide a pin ......................................................................................... 23
Wire elements together ................................................................................ 24
Mark a wire with the Assume Data Available indicator ......................... 24
Assign a tag ............................................................................................................. 25
Create and assign a new tag .......................................................................... 25
Assign an existing tag .................................................................................... 26
Assign an immediate value (constant) .............................................................. 27
Use an IREF .................................................................................................... 27
Enter a value in the tag of a block ............................................................... 28
Connect blocks with an OCON and ICON .................................................. 28
Add an OCON .............................................................................................. 28
Add an ICON ................................................................................................ 28
Rename a wire connector ............................................................................. 29
Rename a connector group .......................................................................... 29
Verify the routine.................................................................................................. 30
Preface
Program a Function Block
Diagram
Index
Rockwell Automation Publication 1756-PM009E-EN-P - October 2014 5