Creating A Programming Organization Unit - Honeywell ControlEdge 900R04-0200 Getting Started

Chapter 4 - Software
62
From the variable properties dialog, select
l

Creating a Programming Organization Unit

Logical Program Organization Units (POUs) are the language
elements of a program. They are small, independent software units
containing the program code. The name of a POU must be unique
within the project.
There are three different POU types:
: contains a logical combination of function or function
Program
n
block calls. Programs have input and output parameters and they
can have an internal memory.
: POUs with multiple input/output parameters and
Function Block
n
internal memory.
: POUs with multiple input parameters and exactly one
Function
n
output parameter.
To create a POU
1. Click
IEC Programming Workspace
Page, click
Program with IEC61131-3
2. From the
Project Tree Window
> /
Insert Program
3. Enter the for the new POU.
Name
from the toolbar, or from Home
.
, right-click
/
Function Block Function
, and click
Retain
and select
Logical POUs
, the dialog appears.
Insert
.
OK