JPS5766366A - Neutral cable number referencing method - Google Patents

Neutral cable number referencing method

Info

Publication number
JPS5766366A
JPS5766366A JP55141646A JP14164680A JPS5766366A JP S5766366 A JPS5766366 A JP S5766366A JP 55141646 A JP55141646 A JP 55141646A JP 14164680 A JP14164680 A JP 14164680A JP S5766366 A JPS5766366 A JP S5766366A
Authority
JP
Japan
Prior art keywords
input terminal
returning passage
common current
conducter
actuated
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
JP55141646A
Other languages
Japanese (ja)
Other versions
JPS6230592B2 (en
Inventor
Yonejiro Hiramatsu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP55141646A priority Critical patent/JPS5766366A/en
Publication of JPS5766366A publication Critical patent/JPS5766366A/en
Publication of JPS6230592B2 publication Critical patent/JPS6230592B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
    • G01R31/60—Identification of wires in a multicore cable

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

PURPOSE:To eliminate necessity of providing a special common line, by providing a switching circuit between a slave machine and a cable and using a conductor of the cable, to which input terminal on one side of a master machine is connected appropriately by potential control from the master machine, as a common current-returning wire appropriately. CONSTITUTION:At the time of opening of an electronic switch SWP, voltage from a DC power source B is impressed to an input terminal + of an operation amplifier 8, a switching regulator 7 is actuated, and a signal generator 2 is actuated. When the SWP is closed, the regulator 7 becomes electrically separated, and the signal generator 2 transmits a signal of a constant pulse width to a wire number discrimination indicator 4 through a conducter l1. A common current returning passage goes from an earth to a cathode of the power source B passing through a diode2-3 and a conducter l2, in this case, as a current returning passage is formed by connecting to anyone of the conducters l1-ln of an input terminal IN2, it is not necessary to provide a special common current returning passage.
JP55141646A 1980-10-09 1980-10-09 Neutral cable number referencing method Granted JPS5766366A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55141646A JPS5766366A (en) 1980-10-09 1980-10-09 Neutral cable number referencing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55141646A JPS5766366A (en) 1980-10-09 1980-10-09 Neutral cable number referencing method

Publications (2)

Publication Number Publication Date
JPS5766366A true JPS5766366A (en) 1982-04-22
JPS6230592B2 JPS6230592B2 (en) 1987-07-03

Family

ID=15296878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55141646A Granted JPS5766366A (en) 1980-10-09 1980-10-09 Neutral cable number referencing method

Country Status (1)

Country Link
JP (1) JPS5766366A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4814693A (en) * 1987-02-19 1989-03-21 Coben Melvin S Data cable test apparatus and method
US4937519A (en) * 1988-08-16 1990-06-26 Jupiter Toy Company Apparatus and method for identifying conductors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4814693A (en) * 1987-02-19 1989-03-21 Coben Melvin S Data cable test apparatus and method
US4937519A (en) * 1988-08-16 1990-06-26 Jupiter Toy Company Apparatus and method for identifying conductors

Also Published As

Publication number Publication date
JPS6230592B2 (en) 1987-07-03

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