Pous; Types Of Pou - Mitsubishi Electric MELSEC Q Series Programming Manual

4.2

POUs

A POU (abbreviation for Program Organization Unit) is a program component defined by each function.

Types of POU

The following three types can be selected for each POU according to the content to be defined.
• Program
• Function
• Function block
Each POU consists of a program and local labels
A process can be described in a programming language that suits the control function for each POU.
Project Project Project
Program file Program file Program file
Task Task Task
POU
POU folder
POU
POU
POU
*1 Local labels are labels that can be used only in programs of declared POUs. For details of local labels, refer to the following section.
 Page 29 Local labels
4 PROGRAM CONFIGURATION
18
4.2 POUs
*1
.
Registration
Program
Program
Function
Function block