JPS5460666A - Process control unit - Google Patents

Process control unit

Info

Publication number
JPS5460666A
JPS5460666A JP12742077A JP12742077A JPS5460666A JP S5460666 A JPS5460666 A JP S5460666A JP 12742077 A JP12742077 A JP 12742077A JP 12742077 A JP12742077 A JP 12742077A JP S5460666 A JPS5460666 A JP S5460666A
Authority
JP
Japan
Prior art keywords
output
value
processor
reset
manual
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
JP12742077A
Other languages
Japanese (ja)
Other versions
JPS6113245B2 (en
Inventor
Isamu Ono
Akira Sumi
Fusatoshi Kataoka
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
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works Ltd
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 Yokogawa Hokushin Electric Corp, Yokogawa Electric Works Ltd filed Critical Yokogawa Hokushin Electric Corp
Priority to JP12742077A priority Critical patent/JPS5460666A/en
Publication of JPS5460666A publication Critical patent/JPS5460666A/en
Publication of JPS6113245B2 publication Critical patent/JPS6113245B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Feedback Control In General (AREA)
  • Control By Computers (AREA)

Abstract

PURPOSE: A control unit adapted for manual-automatic bumpless switching, bumpless switching of proportional gain, and prevention of reset windup by adopting a system to reset the value of the integral operation item in a processor properly.
CONSTITUTION: In a processor 1, comparators 21--26 are provided at the input termial, and a measured value Mn, a set point SP, a proportional gain Kp and others are obtained in digital representations by changing the digital value of an inner register according to the comparative result with the output of a DA converter 3 or an amplifier 5. These signals are given operations to be output through the DA converter 3 and the amplifier 5. For a manual operation, a switch 4 is off, and the value of a hold condenser is changed by a manual operation switch 7. At this stage, the output is sent to the comparator 21, and the value of the integral item in a processor 1 is reset to accord the output of the processor 1 with the manual output.
COPYRIGHT: (C)1979,JPO&Japio
JP12742077A 1977-10-24 1977-10-24 Process control unit Granted JPS5460666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12742077A JPS5460666A (en) 1977-10-24 1977-10-24 Process control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12742077A JPS5460666A (en) 1977-10-24 1977-10-24 Process control unit

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP17439282A Division JPS5875208A (en) 1982-10-04 1982-10-04 Process controller
JP17439382A Division JPS5942321B2 (en) 1982-10-04 1982-10-04 process control equipment

Publications (2)

Publication Number Publication Date
JPS5460666A true JPS5460666A (en) 1979-05-16
JPS6113245B2 JPS6113245B2 (en) 1986-04-12

Family

ID=14959513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12742077A Granted JPS5460666A (en) 1977-10-24 1977-10-24 Process control unit

Country Status (1)

Country Link
JP (1) JPS5460666A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56147202A (en) * 1980-03-19 1981-11-16 Sulzer Ag Controlling method and control cirucuit for executing same method
JPS5783802A (en) * 1980-11-14 1982-05-25 Yokogawa Hokushin Electric Corp Process control device
JPS5882314A (en) * 1981-11-10 1983-05-17 Kubota Ltd Controller for reaping height of reaping and harvesting machine
JPS58146902A (en) * 1982-02-26 1983-09-01 Hitachi Ltd Proportional integrator
JPS58211202A (en) * 1982-06-01 1983-12-08 Omron Tateisi Electronics Co Resetting method of offset of temperature controller
JPS598001A (en) * 1982-07-05 1984-01-17 Omron Tateisi Electronics Co Pid controller
JPS59158405A (en) * 1983-02-28 1984-09-07 Fuji Electric Co Ltd Digital controller
JPS60151707A (en) * 1984-01-18 1985-08-09 Katsuhisa Furuta Nonlinear control method
JPS6162102A (en) * 1984-09-04 1986-03-31 Hitachi Ltd Control arithmetic unit
JPS6277606A (en) * 1985-10-01 1987-04-09 Yaskawa Electric Mfg Co Ltd I-pd control system
JPH02112001A (en) * 1988-10-21 1990-04-24 Toshiba Corp Gain adaptive controller
JPH0511852A (en) * 1991-07-02 1993-01-22 Canon Inc Positioning controller

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5049575A (en) * 1973-09-05 1975-05-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5049575A (en) * 1973-09-05 1975-05-02

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56147202A (en) * 1980-03-19 1981-11-16 Sulzer Ag Controlling method and control cirucuit for executing same method
JPS6323561B2 (en) * 1980-11-14 1988-05-17 Yokokawa Denki Kk
JPS5783802A (en) * 1980-11-14 1982-05-25 Yokogawa Hokushin Electric Corp Process control device
JPS5882314A (en) * 1981-11-10 1983-05-17 Kubota Ltd Controller for reaping height of reaping and harvesting machine
JPH0215884B2 (en) * 1981-11-10 1990-04-13 Kubota Ltd
JPS58146902A (en) * 1982-02-26 1983-09-01 Hitachi Ltd Proportional integrator
JPS58211202A (en) * 1982-06-01 1983-12-08 Omron Tateisi Electronics Co Resetting method of offset of temperature controller
JPS6342283B2 (en) * 1982-06-01 1988-08-23 Omron Tateisi Electronics Co
JPS6342281B2 (en) * 1982-07-05 1988-08-23 Omron Tateisi Electronics Co
JPS598001A (en) * 1982-07-05 1984-01-17 Omron Tateisi Electronics Co Pid controller
JPS59158405A (en) * 1983-02-28 1984-09-07 Fuji Electric Co Ltd Digital controller
JPS60151707A (en) * 1984-01-18 1985-08-09 Katsuhisa Furuta Nonlinear control method
JPS6162102A (en) * 1984-09-04 1986-03-31 Hitachi Ltd Control arithmetic unit
JPH0525122B2 (en) * 1984-09-04 1993-04-12 Hitachi Ltd
JPS6277606A (en) * 1985-10-01 1987-04-09 Yaskawa Electric Mfg Co Ltd I-pd control system
JPH02112001A (en) * 1988-10-21 1990-04-24 Toshiba Corp Gain adaptive controller
JPH0511852A (en) * 1991-07-02 1993-01-22 Canon Inc Positioning controller

Also Published As

Publication number Publication date
JPS6113245B2 (en) 1986-04-12

Similar Documents

Publication Publication Date Title
JPS5460666A (en) Process control unit
JPS55107961A (en) Automatic calibration type signal converter
JPS52135923A (en) Air fuel ratio control equipment
JPS5520514A (en) Electronic thermostat
JPS5467867A (en) Positioning system
JPS52146655A (en) Data processing and controlling unit of balances, etc.
JPS538045A (en) Automatic range selecting type a-d converter
JPS554657A (en) Process control unit
JPS5644914A (en) Gas pressure control device
JPS54139424A (en) Automatic control unit and electronic channel selection device
JPS5679509A (en) Automatic gain control circuit
JPS5449161A (en) Display control device of instruments
JPS5651611A (en) Ad converter for fetching air flow sensor output
JPS52133479A (en) Plant control system
JPS5214154A (en) Afc operating device of multiple cycle plant
JPS55146205A (en) Control system for condensing extraction turbine
JPS5582540A (en) Analog digital conversion unit
JPS5485070A (en) Operation adjustment circuit of on timer and off timer
JPS57190416A (en) Analog-to-digital converter
JPS5385449A (en) Zero point detecting system
JPS53147186A (en) On off controller
JPS5417610A (en) Compressor-expander circuit for signal
JPS55135909A (en) Non-contact rotary sequencer
JPS55134410A (en) Pressure control method of process
JPS5350959A (en) Automatic gain control device