Free Form Ladder Diagram (FFLD) Editor
"Free Form Ladder Diagram" Editor is a graphic tool used to enter and manage ladder diagrams according to the IEC "International Electrotechnical Commission"
IEC is a not-for-profit, non-governmental international standards organization that prepares and publishes International Standards for all electrical, electronic and related technologies 61131-3 standard.
This editor enables:
- Free drawing and arrangement of FFLD items.
- Supports these advanced graphic features:
See Also
Advanced Graphic Features
Change Ladder Diagram Size
Diagram Size
Drag the column separator to increase or decrease the size of the columns.
Drag the row separator to increase or decrease the size of the rows as well as the texts.
Color-coded Functions
Color Coded Function
- Functions and Function A function calculates a result according to the current value of its inputs. A function has no internal data and is not linked to declared instances. Blocks are color-coded as blue.
- Sub-programs and Kollmorgen UDFBs are black.
Coordinate-based Positions
Coordinate-based Position
The coordinates for a selected function are displayed at the bottom-left corner of the editor.
The coordinates are shown in this format:
(absolute coordinates)-(network number).(relative coordinates) in (column, row)
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Relative coordinates are measured from below the Network label.
Select the Entire Ladder Diagram
Select All
Click the border in the upper left corner to select the entire ladder.
Split Window Capability
Split Window
Allows multiple views of the same ladder program to be displayed simultaneously.
Drag the two splitters located in the vertical and horizontal scroll bars to organize the windows.
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FFLD Diagram Components |
Related Sections |
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When a contact or a coil is selected, you can press the Spacebar to change its type (normal, negated, pulse)
