JPS5322249A - Crane controller - Google Patents

Crane controller

Info

Publication number
JPS5322249A
JPS5322249A JP9480576A JP9480576A JPS5322249A JP S5322249 A JPS5322249 A JP S5322249A JP 9480576 A JP9480576 A JP 9480576A JP 9480576 A JP9480576 A JP 9480576A JP S5322249 A JPS5322249 A JP S5322249A
Authority
JP
Japan
Prior art keywords
crane controller
crane
hoist
avoid
motor
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
JP9480576A
Other languages
Japanese (ja)
Inventor
Shoji Sato
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 JP9480576A priority Critical patent/JPS5322249A/en
Publication of JPS5322249A publication Critical patent/JPS5322249A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To maximally utilize the power of a d - c motor, which is used for a crane and controlled through its field system, in hoist-down phase, and to avoid an overspeed command.
COPYRIGHT: (C)1978,JPO&Japio
JP9480576A 1976-08-11 1976-08-11 Crane controller Pending JPS5322249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9480576A JPS5322249A (en) 1976-08-11 1976-08-11 Crane controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9480576A JPS5322249A (en) 1976-08-11 1976-08-11 Crane controller

Publications (1)

Publication Number Publication Date
JPS5322249A true JPS5322249A (en) 1978-03-01

Family

ID=14120261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9480576A Pending JPS5322249A (en) 1976-08-11 1976-08-11 Crane controller

Country Status (1)

Country Link
JP (1) JPS5322249A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57121589A (en) * 1981-01-16 1982-07-29 Meidensha Electric Mfg Co Ltd Controller for cargo-handling machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57121589A (en) * 1981-01-16 1982-07-29 Meidensha Electric Mfg Co Ltd Controller for cargo-handling machine

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