Rockwell Automation Logix5000 Program Parameters Programming Manual - Manual (Page 3)

Table of contents
Studio 5000 environment ..................................................................................... 5
Additional resources ............................................................................................... 6
Important terminology .......................................................................................... 6
Chapter 1
Introduction ............................................................................................................ 7
Program parameters ............................................................................................... 7
Program parameter connection methods .................................................... 8
Program parameter connection syntax ...................................................... 11
User-defined type sub-element connection considerations ................... 12
Input parameters ................................................................................................... 12
Input parameter connection types and uses .............................................. 12
General rules for using Input parameters .................................................. 12
Connect an Input parameter to a controller scope tag ........................... 13
Output parameters ............................................................................................... 16
Output parameter connection types and uses .......................................... 16
General rules for using Output parameters .............................................. 16
Connect an Output parameter to a controller scope tag ........................ 17
Connect an Output parameter to another program ............................... 18
InOut parameters ................................................................................................. 20
InOut parameter connection types and uses ............................................ 20
General rules for using InOut parameters ................................................. 21
Connect an InOut parameter to a controller scope tag .......................... 22
Public parameters.................................................................................................. 23
Public parameter connection types and uses ............................................ 23
General rules for using Public parameters ................................................. 24
Connect a Public parameter to another program .................................... 25
Safety program parameters .................................................................................. 27
General rules for connecting parameters for safety programs ................ 27
Program parameter connection rules ................................................................ 28
Standard program to standard program connection rules ..................... 28
Safety program to safety program connection rules ................................ 29
Safety program to standard program connection rules ........................... 30
Preface
Connecting program
parameters
Rockwell Automation Publication 1756-PM021A-EN-P - October 2014 3