JPS5663602A - Start-stop operation command circuit - Google Patents

Start-stop operation command circuit

Info

Publication number
JPS5663602A
JPS5663602A JP13921879A JP13921879A JPS5663602A JP S5663602 A JPS5663602 A JP S5663602A JP 13921879 A JP13921879 A JP 13921879A JP 13921879 A JP13921879 A JP 13921879A JP S5663602 A JPS5663602 A JP S5663602A
Authority
JP
Japan
Prior art keywords
load
automatic
operation handle
automatic position
returned
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
JP13921879A
Other languages
Japanese (ja)
Inventor
Shozo Suda
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 JP13921879A priority Critical patent/JPS5663602A/en
Publication of JPS5663602A publication Critical patent/JPS5663602A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make it possible to obtain a start-stop operating circuit which can start safely and exactly, by constituting the circuit so that the operation handle of the operation switch against the load can be returned to the automatic position by means of a spring.
CONSTITUTION: In case when the manual start operation of the load 9 is performed, the start command 8 is given to the load 9 by the command contact 13 of closing and it is started, by turning the operation handle 12 of the operation switch 3-N' to the start position. When an operator releases a hand from the operation handle 12, the operation handle 12 is returned to the automatic position by means of a spring, but the loads continues the operation. In this way, when the change-over switch 3-N' is not operated, the operation handle 12 is sure to be set to the automatic position, and therefore when the automatic start condition 7 exists, the load 9 is started, and if the heavy fault condition exists, the load 9 can be stopped. Thus, it is possible to prevent the automatic operation inability of the load caused by the fact that it is forgotten to return to the automatic position in case of the start-stop operation.
COPYRIGHT: (C)1981,JPO&Japio
JP13921879A 1979-10-30 1979-10-30 Start-stop operation command circuit Pending JPS5663602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13921879A JPS5663602A (en) 1979-10-30 1979-10-30 Start-stop operation command circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13921879A JPS5663602A (en) 1979-10-30 1979-10-30 Start-stop operation command circuit

Publications (1)

Publication Number Publication Date
JPS5663602A true JPS5663602A (en) 1981-05-30

Family

ID=15240260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13921879A Pending JPS5663602A (en) 1979-10-30 1979-10-30 Start-stop operation command circuit

Country Status (1)

Country Link
JP (1) JPS5663602A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126306U (en) * 1985-01-24 1986-08-08
CN105041702A (en) * 2015-08-14 2015-11-11 北京中科科仪股份有限公司 Magnetic suspension molecular pump control method and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126306U (en) * 1985-01-24 1986-08-08
CN105041702A (en) * 2015-08-14 2015-11-11 北京中科科仪股份有限公司 Magnetic suspension molecular pump control method and system

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