Sequence control device using decision table, program creation device and interpreter execution engine

摘要

A sequence control device (10) comprises a program creation device (1) and a control device (2). The program creation device comprises: a control program editing 5 section (la) that is constituted by an editor section and a display/control operation section whereby a control program may be edited using an IEC standard language and a storage section (1b) comprising a source memory and a first object memory. The source memory stores beforehand 10 an IEC standard language library comprising LDs, FBDs and STs. The editor section comprises a decision table editor that generates a decision table and a decision table execution engine by referring to the IEC standard language library. 2365049_1 (GHMatters) 6/08/10 PROGRAM CREATION DEVICE la CONTROL DEVICE 5 CONTROL PROGRAM EDITING SECTION lal DISPLAY/ EDITOR SECTION PROCESSING CONTROL SECTION OPERATION - L S SECTION MAIN PROCESSING 2 EDITOR - - POCESS INPUT/OUTPUT 1 1 :PROCESSING SECTION KEYBOARDDECISION TABLE EDITOR 2 d MOUSE COMPILER CONTOL PRGA -LOD SERVER la13 -lb ~2 lSboRAGE SECOND OBJECT DASECTA MEMORY 2bl SOURCE MEMORY FIRST OBJECT CODE MEMORY 1 b11 MEMORY 1 b21 2b1I1 MAIN MA IN PROCESSING PROCESSING PROCESSING PROGRAM 21 1 b12 PROGRAM PROGRAM I bZ2INTERPRETER INTE- PRETER INTERPRETER EXECUTION EXECUTION EXECUTION ENGINE WENGE ENGINE lb32b2 DATA MEMR 2b21 DECISION DECISION DECISION TABLE TABL TABL 1b14 I1b24 2b22 IEC STANDARD VARIABLE LANGUAGE VARIAB3LE TABLE LIBRARY TABLE FIG.1 )NETWORK