JPS55159689A - Remote operation and display system for load - Google Patents

Remote operation and display system for load

Info

Publication number
JPS55159689A
JPS55159689A JP6623779A JP6623779A JPS55159689A JP S55159689 A JPS55159689 A JP S55159689A JP 6623779 A JP6623779 A JP 6623779A JP 6623779 A JP6623779 A JP 6623779A JP S55159689 A JPS55159689 A JP S55159689A
Authority
JP
Japan
Prior art keywords
switch
load
operating
power supply
push button
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
JP6623779A
Other languages
Japanese (ja)
Inventor
Yasumasa Umesato
Kazuhiko Kuroda
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP6623779A priority Critical patent/JPS55159689A/en
Publication of JPS55159689A publication Critical patent/JPS55159689A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:To reduce the number of operation lines, by providing an operation switch between the power supply and the load, and illuminating or distinguishing the display light in the push button switch corresponding to the state of load and no- load with a voltage of high and low two types, when the switch is operated with the operating push button switch. CONSTITUTION:An operating switch 3b consisting of a main contact M, auxiliary contact A, resistor R, operating coil C and two diodes is connected between the power supply 2 and the load 1, and the control power supply 4b consisting of a transformer in parallel with the load 1 producing high and low two secondary voltages V0 and V1 is connected to the power supply 2. With this constitution, the control power supply 4b is operated by using the push button B being the self- restored type operating switch and the operating push button switch 5b incorporating the load state display light, and a high voltage V0 is fed to the display lamp by using the connection line when the switch 3b is closed and a low voltage V1 is fed when open for illumination or distinguishment. Thus, the operating lines from the switch 5b can be two.
JP6623779A 1979-05-30 1979-05-30 Remote operation and display system for load Pending JPS55159689A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6623779A JPS55159689A (en) 1979-05-30 1979-05-30 Remote operation and display system for load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6623779A JPS55159689A (en) 1979-05-30 1979-05-30 Remote operation and display system for load

Publications (1)

Publication Number Publication Date
JPS55159689A true JPS55159689A (en) 1980-12-11

Family

ID=13310039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6623779A Pending JPS55159689A (en) 1979-05-30 1979-05-30 Remote operation and display system for load

Country Status (1)

Country Link
JP (1) JPS55159689A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017837A (en) * 1987-12-11 1991-05-21 Lutron Electronics Co., Inc. Indicator lamp system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017837A (en) * 1987-12-11 1991-05-21 Lutron Electronics Co., Inc. Indicator lamp system

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