JPS5752938A - Data collecting system - Google Patents

Data collecting system

Info

Publication number
JPS5752938A
JPS5752938A JP12673680A JP12673680A JPS5752938A JP S5752938 A JPS5752938 A JP S5752938A JP 12673680 A JP12673680 A JP 12673680A JP 12673680 A JP12673680 A JP 12673680A JP S5752938 A JPS5752938 A JP S5752938A
Authority
JP
Japan
Prior art keywords
instruction signal
signal
instruction
slave station
transmitted
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
JP12673680A
Other languages
Japanese (ja)
Inventor
Shozo Yabe
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP12673680A priority Critical patent/JPS5752938A/en
Publication of JPS5752938A publication Critical patent/JPS5752938A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Small-Scale Networks (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:To collect required data most efficiently, by giving an instruction signal which collects a specific data only. CONSTITUTION:An instruction signal which collects required data only is included in a polling signal, this instruction signal is discriminated at a slave station side and the collection of information is made according to that. For example, a polling signal including the instruction signal is transmitted to a slave station B from a master station A consisting of an instruction signal control circuit 11 and a transmission control circuit 12. The slave station B reads the content of instruction at a discrimination circuit 23 and the collected data is transmitted to the master station A through a transmission signal transmitting circuit 6 according to the content.
JP12673680A 1980-09-12 1980-09-12 Data collecting system Pending JPS5752938A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12673680A JPS5752938A (en) 1980-09-12 1980-09-12 Data collecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12673680A JPS5752938A (en) 1980-09-12 1980-09-12 Data collecting system

Publications (1)

Publication Number Publication Date
JPS5752938A true JPS5752938A (en) 1982-03-29

Family

ID=14942616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12673680A Pending JPS5752938A (en) 1980-09-12 1980-09-12 Data collecting system

Country Status (1)

Country Link
JP (1) JPS5752938A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01286600A (en) * 1988-05-12 1989-11-17 Toshiba Corp Data collecting system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4899591A (en) * 1972-04-03 1973-12-17
JPS5272080A (en) * 1975-12-12 1977-06-16 Mitsubishi Electric Corp Faraway supervisory control system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4899591A (en) * 1972-04-03 1973-12-17
JPS5272080A (en) * 1975-12-12 1977-06-16 Mitsubishi Electric Corp Faraway supervisory control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01286600A (en) * 1988-05-12 1989-11-17 Toshiba Corp Data collecting system

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