JPS6435603A - Operation switching controller - Google Patents

Operation switching controller

Info

Publication number
JPS6435603A
JPS6435603A JP19005987A JP19005987A JPS6435603A JP S6435603 A JPS6435603 A JP S6435603A JP 19005987 A JP19005987 A JP 19005987A JP 19005987 A JP19005987 A JP 19005987A JP S6435603 A JPS6435603 A JP S6435603A
Authority
JP
Japan
Prior art keywords
goes
mode
interlocking
job site
timer
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
JP19005987A
Other languages
Japanese (ja)
Inventor
Yoshimasa Asada
Nobuhito Kaneda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP19005987A priority Critical patent/JPS6435603A/en
Publication of JPS6435603A publication Critical patent/JPS6435603A/en
Pending legal-status Critical Current

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  • Feedback Control In General (AREA)

Abstract

PURPOSE:To continuously operate an apparatus even if a switching operation is executed by any method, by using a spring return type for a job site side changeover switch, holding a mode of a job site operation switch by a keep relay, and also, using an OFF-delay timer. CONSTITUTION:An interlocking mode (b) which exists in both two modes of a job site and a control room is provided, and this interlocking or single mode is stored in a keep relay 1, therefore, a spring return system is adopted for a job site interlocking - single changeover switch 5. When an interlocking mode 1X goes to ON, an automatic interlocking timer 2T goes to ON, and by adopting an OFF-delay timer, an automatic interlocking mode 2X goes to ON immediately. Also, a single mode timer 3T goes to OFF, and after time-up, a single mode 3X goes to OFF. Subsequently, when the interlocking mode 1X goes to OFF, the single mode 3X goes to ON in the same way, and the automatic interlocking mode 2X goes to OFF after time-up.
JP19005987A 1987-07-31 1987-07-31 Operation switching controller Pending JPS6435603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19005987A JPS6435603A (en) 1987-07-31 1987-07-31 Operation switching controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19005987A JPS6435603A (en) 1987-07-31 1987-07-31 Operation switching controller

Publications (1)

Publication Number Publication Date
JPS6435603A true JPS6435603A (en) 1989-02-06

Family

ID=16251660

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19005987A Pending JPS6435603A (en) 1987-07-31 1987-07-31 Operation switching controller

Country Status (1)

Country Link
JP (1) JPS6435603A (en)

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