JPS56121104A - Sequence controller - Google Patents

Sequence controller

Info

Publication number
JPS56121104A
JPS56121104A JP2480080A JP2480080A JPS56121104A JP S56121104 A JPS56121104 A JP S56121104A JP 2480080 A JP2480080 A JP 2480080A JP 2480080 A JP2480080 A JP 2480080A JP S56121104 A JPS56121104 A JP S56121104A
Authority
JP
Japan
Prior art keywords
program
rom
sequence controller
cpu3
memories
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.)
Pending
Application number
JP2480080A
Other languages
Japanese (ja)
Inventor
Yasushi Mori
Norio Miyawaki
Tetsuo Doi
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP2480080A priority Critical patent/JPS56121104A/en
Publication of JPS56121104A publication Critical patent/JPS56121104A/en
Pending 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
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0426—Programming the control sequence

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Safety Devices In Control Systems (AREA)
  • Programmable Controllers (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

PURPOSE:To make it easy to operate a sequence controller by discriminating which program in EP-ROM or RAM is to be executed and then by displaying the result every time the power source is put to work. CONSTITUTION:A user program stored in RAM6 or EP-ROM8 is decoded and executed by CPU3. Then, CPU3, whenever the power source is turned on, scans respective addresses of EP-ROM prior to the execution of the program and detects whether the program can be utilized. According to the result, which program in both the memories the control should be done on the basis of is determined and displayed. Therefore, the operator can know the correct in-use state of the memories at any time and a specially formed program is never lost because the contents of RAM are transferred to EP-ROM without fail, so that the easy-to-operate sequence controller can be obtained.
JP2480080A 1980-02-28 1980-02-28 Sequence controller Pending JPS56121104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2480080A JPS56121104A (en) 1980-02-28 1980-02-28 Sequence controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2480080A JPS56121104A (en) 1980-02-28 1980-02-28 Sequence controller

Publications (1)

Publication Number Publication Date
JPS56121104A true JPS56121104A (en) 1981-09-22

Family

ID=12148264

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2480080A Pending JPS56121104A (en) 1980-02-28 1980-02-28 Sequence controller

Country Status (1)

Country Link
JP (1) JPS56121104A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58208803A (en) * 1982-05-28 1983-12-05 Nec Corp Power supply controller
JPS60258604A (en) * 1984-06-05 1985-12-20 Mitsubishi Electric Corp Numerical controller

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5496337A (en) * 1978-01-13 1979-07-30 Sharp Corp Electronic computer device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5496337A (en) * 1978-01-13 1979-07-30 Sharp Corp Electronic computer device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58208803A (en) * 1982-05-28 1983-12-05 Nec Corp Power supply controller
JPS60258604A (en) * 1984-06-05 1985-12-20 Mitsubishi Electric Corp Numerical controller

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