PROGRAMMABLE CONTROLLER AND EXECUTION METHOD FOR SFC PROGRAM USING SAME

摘要

PURPOSE: To synchronize blocks by adjusting trimmer timing among the blocks at the time of executing the step tracing of an SFC program. ;CONSTITUTION: An SFC program execution method for storing the history of the active step execution state of the plural blocks at the time of executing the SFC program and tracing it is provided with a selection step 101 for selecting the menu of step tracing, a setting step 103 for setting the menu selected in the selection step 101, a setting menu execution step 108 for executing the menu which is set in the setting step 103 and a display step 110 for displaying trace data executed after the execution of the setting menu execution step 108.;COPYRIGHT: (C)1994,JPO