JPS57147701A - Recording controller - Google Patents

Recording controller

Info

Publication number
JPS57147701A
JPS57147701A JP3218681A JP3218681A JPS57147701A JP S57147701 A JPS57147701 A JP S57147701A JP 3218681 A JP3218681 A JP 3218681A JP 3218681 A JP3218681 A JP 3218681A JP S57147701 A JPS57147701 A JP S57147701A
Authority
JP
Japan
Prior art keywords
control
signal
manual
control part
storage device
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
JP3218681A
Other languages
Japanese (ja)
Inventor
Kenji Yamaguchi
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.)
Yokogawa Electric Corp
Original Assignee
Hokushin Electric Works Ltd
Yokogawa Hokushin Electric 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 Hokushin Electric Works Ltd, Yokogawa Hokushin Electric Corp filed Critical Hokushin Electric Works Ltd
Priority to JP3218681A priority Critical patent/JPS57147701A/en
Publication of JPS57147701A publication Critical patent/JPS57147701A/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
    • G05B7/00—Arrangements for obtaining smooth engagement or disengagement of automatic control
    • G05B7/02—Arrangements for obtaining smooth engagement or disengagement of automatic control electric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Feedback Control In General (AREA)

Abstract

PURPOSE:To prevent drift during manual control while performing complete balanceless and bumpless switching during automatic and manual swfitching by providing a manual operation means and a storage device independently of a control part. CONSTITUTION:In a storage device 6, only a control signal is normally stored corresponding to a command from a control part 1 and in manual control mode, the stored value is varied by a manual control signal MS. When a monitoring part 5 ends out fault detection signal that shows the detection of the fault of the control part 1, the commands from the control part 1 are all rejected, and manual operation mode is set fixedly. A selector 7 selects the output signal of the control part 1 and the output of the storage device 6. During automatic control, the selector 7 selects a signal of a data bus DB side to which the output of the control part 1 is supplied, and during manual control, a signal of the side of the storage device 6 is selected and supplied to a D/A converter 2.
JP3218681A 1981-03-06 1981-03-06 Recording controller Pending JPS57147701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3218681A JPS57147701A (en) 1981-03-06 1981-03-06 Recording controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3218681A JPS57147701A (en) 1981-03-06 1981-03-06 Recording controller

Publications (1)

Publication Number Publication Date
JPS57147701A true JPS57147701A (en) 1982-09-11

Family

ID=12351876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3218681A Pending JPS57147701A (en) 1981-03-06 1981-03-06 Recording controller

Country Status (1)

Country Link
JP (1) JPS57147701A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06301401A (en) * 1993-04-14 1994-10-28 Mitsubishi Sekiyu Eng Kk Decentralized process controller
JPH07160301A (en) * 1993-12-07 1995-06-23 Mitsubishi Electric Corp Control unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52147287A (en) * 1976-05-31 1977-12-07 Yokogawa Hokushin Electric Corp Process control equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52147287A (en) * 1976-05-31 1977-12-07 Yokogawa Hokushin Electric Corp Process control equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06301401A (en) * 1993-04-14 1994-10-28 Mitsubishi Sekiyu Eng Kk Decentralized process controller
JPH07160301A (en) * 1993-12-07 1995-06-23 Mitsubishi Electric Corp Control unit

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