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JPS55136898A - Switching device for pulse-motor excitation system - Google Patents

Switching device for pulse-motor excitation system

Info

Publication number
JPS55136898A
JPS55136898A JP4459979A JP4459979A JPS55136898A JP S55136898 A JPS55136898 A JP S55136898A JP 4459979 A JP4459979 A JP 4459979A JP 4459979 A JP4459979 A JP 4459979A JP S55136898 A JPS55136898 A JP S55136898A
Authority
JP
Japan
Prior art keywords
excitation
switching
preset counter
supplied
status
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.)
Granted
Application number
JP4459979A
Other languages
Japanese (ja)
Other versions
JPS5920278B2 (en
Inventor
Masaru Kamimura
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4459979A priority Critical patent/JPS5920278B2/en
Publication of JPS55136898A publication Critical patent/JPS55136898A/en
Publication of JPS5920278B2 publication Critical patent/JPS5920278B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/36—Protection against faults, e.g. against overheating or step-out; Indicating faults

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Stepping Motors (AREA)

Abstract

PURPOSE:To prevent abnormal excitation by providing a data selector which switches the output of a latch circuit, supplying selected signal to a preset counter, and making the status after the switching of the excitation method continuous to the status before the switching. CONSTITUTION:The signal from a preset counter 13 is supplied to a decoder 7 through a selector 3 and a latch circuit 5. The excitation signal of a motor can be obtained from a matrix circuit 8. While, the latch circuit 5 is also connected to the second data selector 14, and its outputs are supplied to the preset input terminals of the preset counter 12. Therefore, the signals of the second data selector 14 are supplied to the preset counter 13 so that the normal excitation status can be obtained when the first command pulse is arrived after the excitation method is switched. In this procedure, the excitation statuses before and after switching are continued, and the abnormal excitation to the motor due to switching can be eliminated.
JP4459979A 1979-04-11 1979-04-11 Pulse motor excitation method switching device Expired JPS5920278B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4459979A JPS5920278B2 (en) 1979-04-11 1979-04-11 Pulse motor excitation method switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4459979A JPS5920278B2 (en) 1979-04-11 1979-04-11 Pulse motor excitation method switching device

Publications (2)

Publication Number Publication Date
JPS55136898A true JPS55136898A (en) 1980-10-25
JPS5920278B2 JPS5920278B2 (en) 1984-05-11

Family

ID=12695911

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4459979A Expired JPS5920278B2 (en) 1979-04-11 1979-04-11 Pulse motor excitation method switching device

Country Status (1)

Country Link
JP (1) JPS5920278B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5965364U (en) * 1982-10-22 1984-05-01 松下電器産業株式会社 heat storage tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5965364U (en) * 1982-10-22 1984-05-01 松下電器産業株式会社 heat storage tank

Also Published As

Publication number Publication date
JPS5920278B2 (en) 1984-05-11

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