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GB2244828B - Programmable controller - Google Patents

Programmable controller

Info

Publication number
GB2244828B
GB2244828B GB9112247A GB9112247A GB2244828B GB 2244828 B GB2244828 B GB 2244828B GB 9112247 A GB9112247 A GB 9112247A GB 9112247 A GB9112247 A GB 9112247A GB 2244828 B GB2244828 B GB 2244828B
Authority
GB
United Kingdom
Prior art keywords
programmable controller
programmable
controller
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.)
Expired - Fee Related
Application number
GB9112247A
Other versions
GB9112247D0 (en
GB2244828A (en
Inventor
Kouji Matsuoka
Takashi Kadowaki
Masaaki Yonezawa
Kiyoshi Hasegawa
Yasunori Kawata
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 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
Priority claimed from JP1104052A external-priority patent/JPH02281365A/en
Priority claimed from JP1129707A external-priority patent/JPH02307151A/en
Priority claimed from JP1275513A external-priority patent/JPH03136105A/en
Priority claimed from JP1275512A external-priority patent/JPH03136103A/en
Application filed by Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to GB9112247A priority Critical patent/GB2244828B/en
Publication of GB9112247D0 publication Critical patent/GB9112247D0/en
Publication of GB2244828A publication Critical patent/GB2244828A/en
Application granted granted Critical
Publication of GB2244828B publication Critical patent/GB2244828B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3877—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor
    • G06F9/3879—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor for non-native instruction execution, e.g. executing a command; for Java instruction set
    • 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
    • G05B19/052—Linking several PLC's
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3877—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)
GB9112247A 1989-04-24 1991-06-06 Programmable controller Expired - Fee Related GB2244828B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9112247A GB2244828B (en) 1989-04-24 1991-06-06 Programmable controller

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP1104052A JPH02281365A (en) 1989-04-24 1989-04-24 information processing equipment
JP1129707A JPH02307151A (en) 1989-05-23 1989-05-23 Processor system
JP1275513A JPH03136105A (en) 1989-10-23 1989-10-23 Ladder sequence controller
JP1275512A JPH03136103A (en) 1989-10-23 1989-10-23 sequencer
GB9112247A GB2244828B (en) 1989-04-24 1991-06-06 Programmable controller

Publications (3)

Publication Number Publication Date
GB9112247D0 GB9112247D0 (en) 1991-07-24
GB2244828A GB2244828A (en) 1991-12-11
GB2244828B true GB2244828B (en) 1993-09-01

Family

ID=27517051

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9112247A Expired - Fee Related GB2244828B (en) 1989-04-24 1991-06-06 Programmable controller

Country Status (1)

Country Link
GB (1) GB2244828B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU681604B2 (en) * 1992-10-19 1997-09-04 Siemens Industrial Automation, Inc High speed programmable logic controller
JPH10240522A (en) * 1997-02-26 1998-09-11 Matsushita Electric Works Ltd Arithmetic unit
US8489861B2 (en) 1997-12-23 2013-07-16 Round Rock Research, Llc Split embedded DRAM processor
US6226738B1 (en) * 1997-08-01 2001-05-01 Micron Technology, Inc. Split embedded DRAM processor
US6760833B1 (en) 1997-08-01 2004-07-06 Micron Technology, Inc. Split embedded DRAM processor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002800A1 (en) * 1985-10-24 1987-05-07 Culler Scientific Systems Corporation Integrated, multicomputer data processing system
EP0294487A1 (en) * 1986-12-23 1988-12-14 Fanuc Ltd. System for controlling coprocessors
EP0299075A1 (en) * 1986-12-08 1989-01-18 Fanuc Ltd. Processing unit having at least one coprocessor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002800A1 (en) * 1985-10-24 1987-05-07 Culler Scientific Systems Corporation Integrated, multicomputer data processing system
EP0299075A1 (en) * 1986-12-08 1989-01-18 Fanuc Ltd. Processing unit having at least one coprocessor
EP0294487A1 (en) * 1986-12-23 1988-12-14 Fanuc Ltd. System for controlling coprocessors

Also Published As

Publication number Publication date
GB9112247D0 (en) 1991-07-24
GB2244828A (en) 1991-12-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970328