JPS61127002A - プログラマブルコントロ−ラのバツクアツプ装置 - Google Patents

プログラマブルコントロ−ラのバツクアツプ装置

Info

Publication number
JPS61127002A
JPS61127002A JP59248149A JP24814984A JPS61127002A JP S61127002 A JPS61127002 A JP S61127002A JP 59248149 A JP59248149 A JP 59248149A JP 24814984 A JP24814984 A JP 24814984A JP S61127002 A JPS61127002 A JP S61127002A
Authority
JP
Japan
Prior art keywords
programmable controller
bus
regular
standby
switching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP59248149A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0431124B2 (enrdf_load_stackoverflow
Inventor
Toshio Uchida
利夫 内田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP59248149A priority Critical patent/JPS61127002A/ja
Publication of JPS61127002A publication Critical patent/JPS61127002A/ja
Publication of JPH0431124B2 publication Critical patent/JPH0431124B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/058—Safety, monitoring
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/14—Plc safety
    • G05B2219/14136—Redundancy, masking redundancy, avoid failure but no fault detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Hardware Redundancy (AREA)
  • Safety Devices In Control Systems (AREA)
JP59248149A 1984-11-26 1984-11-26 プログラマブルコントロ−ラのバツクアツプ装置 Granted JPS61127002A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59248149A JPS61127002A (ja) 1984-11-26 1984-11-26 プログラマブルコントロ−ラのバツクアツプ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59248149A JPS61127002A (ja) 1984-11-26 1984-11-26 プログラマブルコントロ−ラのバツクアツプ装置

Publications (2)

Publication Number Publication Date
JPS61127002A true JPS61127002A (ja) 1986-06-14
JPH0431124B2 JPH0431124B2 (enrdf_load_stackoverflow) 1992-05-25

Family

ID=17173945

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59248149A Granted JPS61127002A (ja) 1984-11-26 1984-11-26 プログラマブルコントロ−ラのバツクアツプ装置

Country Status (1)

Country Link
JP (1) JPS61127002A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0431124B2 (enrdf_load_stackoverflow) 1992-05-25

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