PROGRAMMABLE CONTROLLER

PROBLEM TO BE SOLVED: To provide a programmable controller that can share a portion of data among a plurality of sequence programs, without changing content of a specific sequence program.SOLUTION: A PLC device 10 comprises a rule setting unit 28 that sets an access rule 60 associated with permissio...

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Main Author HIRAISHI YUKIHIRO
Format Patent
LanguageEnglish
Japanese
Published 01.02.2018
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Abstract PROBLEM TO BE SOLVED: To provide a programmable controller that can share a portion of data among a plurality of sequence programs, without changing content of a specific sequence program.SOLUTION: A PLC device 10 comprises a rule setting unit 28 that sets an access rule 60 associated with permission or rejection of access to a first data storage unit 34 during execution of a second sequence program 42, and a program execution unit 26 that executes a first sequence program 40 while accessing to only the first data storage unit 34, and that, on the other hand, executes the second sequence program 42 while accessing to the first data storage unit 34 and a second data storage unit 36 according to the set access rule 60.SELECTED DRAWING: Figure 5 【課題】特定のシーケンスプログラムの内容に変更を加えることなく、複数のシーケンスプログラムの間で一部のデータを共有化可能なプログラマブルコントローラを提供する。【解決手段】PLC装置10は、第2シーケンスプログラム42の実行中における第1データ格納部34へのアクセスの許否に関するアクセス規則60を設定する規則設定部28と、第1データ格納部34のみにアクセスしながら第1シーケンスプログラム40を実行する一方、設定されたアクセス規則60に従って第1データ格納部34及び第2データ格納部36にアクセスしながら第2シーケンスプログラム42を実行するプログラム実行部26を備える。【選択図】図5
AbstractList PROBLEM TO BE SOLVED: To provide a programmable controller that can share a portion of data among a plurality of sequence programs, without changing content of a specific sequence program.SOLUTION: A PLC device 10 comprises a rule setting unit 28 that sets an access rule 60 associated with permission or rejection of access to a first data storage unit 34 during execution of a second sequence program 42, and a program execution unit 26 that executes a first sequence program 40 while accessing to only the first data storage unit 34, and that, on the other hand, executes the second sequence program 42 while accessing to the first data storage unit 34 and a second data storage unit 36 according to the set access rule 60.SELECTED DRAWING: Figure 5 【課題】特定のシーケンスプログラムの内容に変更を加えることなく、複数のシーケンスプログラムの間で一部のデータを共有化可能なプログラマブルコントローラを提供する。【解決手段】PLC装置10は、第2シーケンスプログラム42の実行中における第1データ格納部34へのアクセスの許否に関するアクセス規則60を設定する規則設定部28と、第1データ格納部34のみにアクセスしながら第1シーケンスプログラム40を実行する一方、設定されたアクセス規則60に従って第1データ格納部34及び第2データ格納部36にアクセスしながら第2シーケンスプログラム42を実行するプログラム実行部26を備える。【選択図】図5
Author HIRAISHI YUKIHIRO
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Snippet PROBLEM TO BE SOLVED: To provide a programmable controller that can share a portion of data among a plurality of sequence programs, without changing content of...
SourceID epo
SourceType Open Access Repository
SubjectTerms CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
Title PROGRAMMABLE CONTROLLER
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