Understanding Sequence Diagrams in Fluid Power

A sequence diagram is a type of illustration that graphically represents the physical state of each component in a system sequencing charts can be used in electrical fluid or combined systems. They are used to aid the user in understanding the operation of the system and to help identify which components are actuated or energized at any given time during the system cycle. Many sequence diagrams are used as auxiliary documentation to assist with illustrating the information conveyed on schematics or circuit diagrams. While there is no official standard for drawing a sequence diagram, most are drawn with the time lapse on the horizontal axis and the action accomplished on the vertical axis. to build a sequence diagram each major component is assigned a horizontal line. the width of the line shows the time period during the cycle that each component is actuated or energized.

This video provides a visual understanding of the sequence diagram, and its associated electrical and mechanical schematic diagrams.

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