METHOD FOR ANALYZING TROUBLE IN PRODUCTION LINE

摘要

PURPOSE:To promptly and properly specify an action element, which is a cause of trouble, by utilizing a data map, which shows a corresponding relation between an alarm output action element and an output action element, and specifying a step rudder forming part corresponding to an action step correlated to the trouble. CONSTITUTION:In a CPU22, in the case that, for instance, an alarm output action element Mx is placed in an action condition, the alarm output action element Mx is collated with a step data map read from a hard disc device 26, and an output action element Yx corresponding to the alarm output action element Mx is specified. An output action element Y(X+1), which is the next output action element of the output action element Yx, is specified based on the specified output action element Yx, and a rudder action element group S(X+1), related to the output action element Y(X+1), is specified. Next, an interlock ILC-(X+1) is analyzed to specify a non-action action element which is a cause where the output action element M(X+1) is not normally placed in an action condition, and a trouble cause action element in a sequence control objective equipment 10 is detected.