Function Block Diagram (FBD) Editor
Function block diagram - Describes a function between input variables and output variables. A function is described as a set of elementary blocks. Editor is a graphic tool used to enter and manage Function Block A function block groups an algorithm and a set of private data.
It has inputs and outputs. Diagrams according to the IEC 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.
- The editor supports advanced graphic features such as drag-and-drop, object resizing, and connection line routing features to rapidly and freely arrange the elements of a diagram.
- Insert in an FBD diagram graphic elements of the FFLD (Ladder Diagram) language (e.g., contacts and coils).
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FBD Diagram Components |
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Selecting and entering variables and FB instances
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FFLD Components |
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When a contact or a coil is selected, press the Spacebar to change its type (e.g., 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.).
Boolean connections can be negative at the entry of a block.
How to toggle the connection to make it negative?
- Select the Boolean connection
Connections in FBD Programs
The act of performing a sequence of instructions or commands. - Press the Spacebar (a small circle is displayed)
Execution order can be displayed.
