JPS6489815A - Dc two-wire switch - Google Patents

Dc two-wire switch

Info

Publication number
JPS6489815A
JPS6489815A JP24711587A JP24711587A JPS6489815A JP S6489815 A JPS6489815 A JP S6489815A JP 24711587 A JP24711587 A JP 24711587A JP 24711587 A JP24711587 A JP 24711587A JP S6489815 A JPS6489815 A JP S6489815A
Authority
JP
Japan
Prior art keywords
circuit
residual voltage
terminals
boosting
detecting circuit
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
JP24711587A
Other languages
Japanese (ja)
Inventor
Tadashi Furuta
Koji Aoyama
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.)
Panasonic Industrial Devices SUNX Co Ltd
Original Assignee
Sunx 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 Sunx Ltd filed Critical Sunx Ltd
Priority to JP24711587A priority Critical patent/JPS6489815A/en
Publication of JPS6489815A publication Critical patent/JPS6489815A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To improve the utilizing efficiency of a residual voltage and to eliminated the limit in circuit design attended with suppression of the residual voltage to a low value by providing a boosting circuit boosting the residual voltage generated between terminals and feeding the result to the detecting circuit as a power supply. CONSTITUTION:When a switching circuit 18 closes terminals 12, 13 based on the on-signal from the detecting circuit 11, a conduction path from the DC power supply 14 via a load 15 and the switching circuit 18 is formed. In the closing state of the switching circuit 18, the boosting circuit 25 is driven to boost the residual voltage generated between the terminals 12, 13 to a voltage over the lower limit driving voltage required for the normal drive of the detecting circuit 11 and the boosted voltage is fed as the power supply to the detecting circuit 11. Thus, while the residual voltage between the terminals 12 and 13 is suppressed lower, the detecting circuit 11 is driven normally and the residual voltage between the terminals 12, 13 is supplied as it is to the boosting circuit 25, thereby improving the utilization rate of the residual voltage.
JP24711587A 1987-09-30 1987-09-30 Dc two-wire switch Pending JPS6489815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24711587A JPS6489815A (en) 1987-09-30 1987-09-30 Dc two-wire switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24711587A JPS6489815A (en) 1987-09-30 1987-09-30 Dc two-wire switch

Publications (1)

Publication Number Publication Date
JPS6489815A true JPS6489815A (en) 1989-04-05

Family

ID=17158658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24711587A Pending JPS6489815A (en) 1987-09-30 1987-09-30 Dc two-wire switch

Country Status (1)

Country Link
JP (1) JPS6489815A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008271071A (en) * 2007-04-19 2008-11-06 Taiyo Ltd Detection switch

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5799031A (en) * 1980-12-11 1982-06-19 Omron Tateisi Electronics Co Alternating current two-wire type contactless switch
JPS5828440B2 (en) * 1978-03-28 1983-06-15 ジヤツク・ケネス・イボツト fluid equipment
JPS59114718A (en) * 1982-12-21 1984-07-02 オムロン株式会社 2-wired electronic switch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5828440B2 (en) * 1978-03-28 1983-06-15 ジヤツク・ケネス・イボツト fluid equipment
JPS5799031A (en) * 1980-12-11 1982-06-19 Omron Tateisi Electronics Co Alternating current two-wire type contactless switch
JPS59114718A (en) * 1982-12-21 1984-07-02 オムロン株式会社 2-wired electronic switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008271071A (en) * 2007-04-19 2008-11-06 Taiyo Ltd Detection switch

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