PLC Scan Cycle Diagram
The three scan cycle stages (input scan, program execution, output update) with the input and output image tables between the field input devices and field output devices, typical timing (10–35 ms total scan) and key notes.
The three scan cycle stages (input scan, program execution, output update) with the input and output image tables between the field input devices and field output devices, typical timing (10–35 ms total scan) and key notes.
