IT8421223A1 - "procedimento e dispositivo per il controllo della trasmissione di informazioni fra l'unita' centrale di un automa programmabile e i circuiti d'entrata/uscita collegati ai sensori e/o agli azionatori del processo comandato" - Google Patents

"procedimento e dispositivo per il controllo della trasmissione di informazioni fra l'unita' centrale di un automa programmabile e i circuiti d'entrata/uscita collegati ai sensori e/o agli azionatori del processo comandato"

Info

Publication number
IT8421223A1
IT8421223A1 IT1984A21223A IT2122384A IT8421223A1 IT 8421223 A1 IT8421223 A1 IT 8421223A1 IT 1984A21223 A IT1984A21223 A IT 1984A21223A IT 2122384 A IT2122384 A IT 2122384A IT 8421223 A1 IT8421223 A1 IT 8421223A1
Authority
IT
Italy
Prior art keywords
actuators
sensors
procedure
transmission
input
Prior art date
Application number
IT1984A21223A
Other languages
English (en)
Other versions
IT1176237B (it
IT8421223A0 (it
Original Assignee
Telemecanique Electrique
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 Telemecanique Electrique filed Critical Telemecanique Electrique
Publication of IT8421223A0 publication Critical patent/IT8421223A0/it
Publication of IT8421223A1 publication Critical patent/IT8421223A1/it
Application granted granted Critical
Publication of IT1176237B publication Critical patent/IT1176237B/it

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
    • G05B19/054—Input/output
    • 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
    • G05B2219/11—Plc I-O input output
    • G05B2219/1159—Image table, memory
    • 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
    • G05B2219/13—Plc programming
    • G05B2219/13188—Checking program data, parity, key
    • 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
    • G05B2219/20—Pc systems
    • G05B2219/21—Pc I-O input output
    • G05B2219/21149—If read write error, keep last I-O status for next cycle
    • 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
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25152—Parity detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)
  • Safety Devices In Control Systems (AREA)
  • Credit Cards Or The Like (AREA)
  • Selective Calling Equipment (AREA)
IT21223/84A 1983-06-03 1984-06-01 Procedimento e dispositivo per il controllo della trasmissione di informazioni fra l'unita' centrale di un automa programmabile e i circuiti d'entrata/uscita collegati ai sensori e/o agli azionatir del processo comandato IT1176237B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8309540A FR2547076B1 (fr) 1983-06-03 1983-06-03 Procede et dispositif pour le controle de la transmission des informations entre l'unite centrale d'un automate programmable et les circuits d'entree/sortie raccordes aux capteurs et/ou aux actionneurs du processus commande

Publications (3)

Publication Number Publication Date
IT8421223A0 IT8421223A0 (it) 1984-06-01
IT8421223A1 true IT8421223A1 (it) 1985-12-01
IT1176237B IT1176237B (it) 1987-08-18

Family

ID=9289620

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21223/84A IT1176237B (it) 1983-06-03 1984-06-01 Procedimento e dispositivo per il controllo della trasmissione di informazioni fra l'unita' centrale di un automa programmabile e i circuiti d'entrata/uscita collegati ai sensori e/o agli azionatir del processo comandato

Country Status (8)

Country Link
US (1) US4864531A (it)
EP (1) EP0148200B1 (it)
JP (1) JPH0782369B2 (it)
CA (1) CA1214839A (it)
DE (1) DE3467050D1 (it)
FR (1) FR2547076B1 (it)
IT (1) IT1176237B (it)
WO (1) WO1984004976A1 (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2890857B2 (ja) * 1991-01-21 1999-05-17 日本電気株式会社 オンライン情報処理システム
JPH04315246A (ja) * 1991-04-15 1992-11-06 Mitsubishi Electric Corp 半導体集積回路装置
US5526370A (en) * 1994-04-04 1996-06-11 Bell Communications Research, Inc. Weighted sum codes for error detection
US6131176A (en) * 1994-06-07 2000-10-10 Unisys Corporation On-the-fly data integrity transfer system handling mixed block sizes
JP4685289B2 (ja) * 2001-09-03 2011-05-18 本田技研工業株式会社 衝突判定システム
GB0500223D0 (en) * 2005-01-07 2005-02-16 Imi Norgren Ltd Communication system
US8230275B2 (en) * 2005-05-26 2012-07-24 Hewlett-Packard Development Company, L.P. Use of parity bits to detect memory installation defects
US7653783B2 (en) * 2005-10-07 2010-01-26 Agere Systems Inc. Ping-pong state machine for storage-device array
US8291161B2 (en) * 2005-10-07 2012-10-16 Agere Systems Llc Parity rotation in storage-device array
US7644303B2 (en) * 2005-10-07 2010-01-05 Agere Systems Inc. Back-annotation in storage-device array
US7769948B2 (en) * 2005-10-07 2010-08-03 Agere Systems Inc. Virtual profiles for storage-device array encoding/decoding
US7861036B2 (en) * 2007-09-18 2010-12-28 Agere Systems Inc. Double degraded array protection in an integrated network attached storage device
US8001417B2 (en) * 2007-12-30 2011-08-16 Agere Systems Inc. Method and apparatus for repairing uncorrectable drive errors in an integrated network attached storage device
KR101281421B1 (ko) * 2008-02-19 2013-07-02 미쓰이 가가쿠 가부시키가이샤 티에탄 화합물, 이것을 포함하는 중합성 조성물, 수지 및 그 제조방법 및 사용
DE102013105419B3 (de) * 2013-05-27 2014-07-17 Ebm-Papst Mulfingen Gmbh & Co. Kg EC-Motor mit dynamischer Bestimmung der Degradation der Optokoppler
IT201600098088A1 (it) 2016-09-30 2018-03-30 Salice Arturo Spa Dispositivo di comando per un sistema di sollevamento e sistema di sollevamento per ante di mobili.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4216460A (en) * 1977-07-14 1980-08-05 Independent Broadcasting Authority Transmission and/or recording of digital signals
JPS54103643A (en) * 1978-02-01 1979-08-15 Toshiba Corp Process input/output device
JPS5577260A (en) * 1978-12-05 1980-06-10 Fujitsu Ltd Error detection system of digital communication unit
US4429299A (en) * 1979-01-05 1984-01-31 Robertshaw Controls Company Two-way AC power line communications system
US4254473A (en) * 1979-01-29 1981-03-03 Allen-Bradley Company Rack adapter for serially connected I/O interface racks
US4302820A (en) * 1979-08-20 1981-11-24 Allen-Bradley Company Dual language programmable controller
JPS5642803A (en) * 1979-09-17 1981-04-21 Shinko Electric Co Ltd Input/output device for sequence controller
JPS56121124A (en) * 1980-02-28 1981-09-22 Fujitsu Ltd Bus control system
FR2483713A1 (fr) * 1980-05-30 1981-12-04 Cii Honeywell Bull Dispositif pour la transmission de signaux entre deux stations de traitement de l'information
JPS5757303A (en) * 1980-09-25 1982-04-06 Fanuc Ltd Machine tool for control of numerical value
US4531213A (en) * 1982-03-03 1985-07-23 Sperry Corporation Memory through checking system with comparison of data word parity before and after ECC processing
DE3317642A1 (de) * 1982-05-21 1983-11-24 International Computers Ltd., London Datenverarbeitungseinrichtung

Also Published As

Publication number Publication date
FR2547076A1 (fr) 1984-12-07
US4864531A (en) 1989-09-05
IT1176237B (it) 1987-08-18
DE3467050D1 (en) 1987-12-03
EP0148200A1 (fr) 1985-07-17
EP0148200B1 (fr) 1987-10-28
JPS60501479A (ja) 1985-09-05
WO1984004976A1 (fr) 1984-12-20
CA1214839A (fr) 1986-12-02
IT8421223A0 (it) 1984-06-01
FR2547076B1 (fr) 1986-01-03
JPH0782369B2 (ja) 1995-09-06

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950630