Command Edge detection

Symbol FBD:

Symbol LD:

Function: The command inserts an edge detection before the selected box input or box output. A distinction can be made between the following functionalities by executing the command once, twice or three times:

• The edge detection inserted when the command is executed once serves to detect a rising edge. The arrow of the symbol points to the right.
• If the command is executed again, the edge detection is reversed, so that falling edges are detected. The arrow of the symbol points to the left.
• If the command is executed one more time, the edge detection and the symbol are removed.

Call: Menu FBD/LD/IL, context menu

Requirements: The FBD or LD editor is active. A box input or output is selected.

See also:

• PLC documentation: FBD/LD/IL
• PLC documentation: FBD/LD/IL editor