Programming with IEC 61131-3
This chapter introduces general information about programming with
IEC 61131-3.
See the embedded help for details about programming. Select Help >
Contents from the toolbar. In the pop-up help, expand Programming
System Help and click Programming a project.
Adding a library
The Libraries that are included in your project are either user-defined
libraries or firmware libraries.
n User Library: contains programs, function blocks, functions and
user-defined data types, and can be reused across projects.
Honeywell provides user libraries and user can create their own.
The file extensions for user library are *.mwt and *.mwe.
n Firmware Library: contains function blocks and functions
prepared by Honeywell for specific hardware. The file extension for
firmware library is *.fwl.
For more information about the function and function block, see the
ControlEdge Builder Function and Function Block Configuration
Reference Guide.
To add a library
1. Click IEC Programming Workspace from the toolbar, or from Home
Page, click Program with IEC61131-3.
2. Right-click Libraries and click Insert. Select User Library or Firmware
Library.
l For User Library, select .mwt file and click Include.
l For Firmware Library, click the corresponding folder and select
the target .fwl file, and then click Include.
Creating a data type
Honeywell provides some read-only user-defined data types, and user
can also create and define data types. The maximum number of user
defined data types is 1024. User-defined data types can be used
within user function blocks and programs. They cannot be used in
user functions.
To create a data type
58
Chapter 4 - Software
To Next Page
Loading...