Free Form Ladder Diagram (FFLD) Editor
International Electrotechnical Commission - 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.
- 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 Blocks A function block groups an algorithm and a set of private data.
It has inputs and outputs. 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 The act of performing a sequence of instructions or commands. 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
When the step gets activated, the action is activated for a single execution, and possibly once again when the step is deactivated.)
