JPS576902A - Temperature controller - Google Patents

Temperature controller

Info

Publication number
JPS576902A
JPS576902A JP8174680A JP8174680A JPS576902A JP S576902 A JPS576902 A JP S576902A JP 8174680 A JP8174680 A JP 8174680A JP 8174680 A JP8174680 A JP 8174680A JP S576902 A JPS576902 A JP S576902A
Authority
JP
Japan
Prior art keywords
output
temperature
control
relay
period
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
JP8174680A
Other languages
Japanese (ja)
Inventor
Yasuyuki Sukimoto
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 JP8174680A priority Critical patent/JPS576902A/en
Publication of JPS576902A publication Critical patent/JPS576902A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/22—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element being a thermocouple
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1917—Control of temperature characterised by the use of electric means using digital means

Landscapes

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

Abstract

PURPOSE:To realize not only a stable control but an increase of lifetime of an output device such as a relay with contact or the like, by extending gradually the output period to obtain an output when the time idth is controlled. CONSTITUTION:The temperature of a subject of control is fetched to a main control part 1 via a thermocouple 9, an A/D converter 8 and an input terminal IN4 and then delivered to a relay X1 via an output terminal OUT4 and a driving circuit 7 after receiving a prescribed operation. The control part 1 comprises mainly a microcomputer to be connected with a temperature setter 3, a temperature display device 4, a control parameter 5 and a time pulse generator 6 via input terminals IN1-IN3 plus OUT1-OUT3. The part 1 performs a series of processes including a measurement of temperature, a reading of set value, a calculation of output value, a setting of output and others by the interruption signal supplied from the generator 6. The period of these processes is decided by the count value of interruption pulses to be set short at first and then long gradually.
JP8174680A 1980-06-16 1980-06-16 Temperature controller Pending JPS576902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8174680A JPS576902A (en) 1980-06-16 1980-06-16 Temperature controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8174680A JPS576902A (en) 1980-06-16 1980-06-16 Temperature controller

Publications (1)

Publication Number Publication Date
JPS576902A true JPS576902A (en) 1982-01-13

Family

ID=13754994

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8174680A Pending JPS576902A (en) 1980-06-16 1980-06-16 Temperature controller

Country Status (1)

Country Link
JP (1) JPS576902A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62119893A (en) * 1985-11-20 1987-06-01 三洋電機株式会社 Feedback of control system
JP2017187878A (en) * 2016-04-04 2017-10-12 アズビル株式会社 Control device
WO2023013729A1 (en) * 2021-08-04 2023-02-09 株式会社スーリヤ Refrigerated storage chamber and electric field formation method therefor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62119893A (en) * 1985-11-20 1987-06-01 三洋電機株式会社 Feedback of control system
JP2017187878A (en) * 2016-04-04 2017-10-12 アズビル株式会社 Control device
CN107276219A (en) * 2016-04-04 2017-10-20 阿自倍尔株式会社 Control device
WO2023013729A1 (en) * 2021-08-04 2023-02-09 株式会社スーリヤ Refrigerated storage chamber and electric field formation method therefor

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