JPS5947295U - Servo amplifier protection circuit - Google Patents

Servo amplifier protection circuit

Info

Publication number
JPS5947295U
JPS5947295U JP14193682U JP14193682U JPS5947295U JP S5947295 U JPS5947295 U JP S5947295U JP 14193682 U JP14193682 U JP 14193682U JP 14193682 U JP14193682 U JP 14193682U JP S5947295 U JPS5947295 U JP S5947295U
Authority
JP
Japan
Prior art keywords
detection device
servo amplifier
speed
motor
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
JP14193682U
Other languages
Japanese (ja)
Inventor
忍 懸
木下　久
吉武　秀樹
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP14193682U priority Critical patent/JPS5947295U/en
Publication of JPS5947295U publication Critical patent/JPS5947295U/en
Pending legal-status Critical Current

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  • Control Of Direct Current Motors (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、従来のサーボアンプの構成を示すブロック図
、第２図は、本考案の一実施例の構成を示すブロック図
である。 １・・・直流電動機、２・・・速度検出装置、３．６・
・・比較器、４・・・速度指令回路、５・・・速度制御
アンプ、７・・・電流検出装置、８・・・パルス幅変調
制御回路、　　　　′９．１０・・・インターフェイス
用オペアンプ、１１・・・排他的論理和回路、１２・・
・サーボアンプ出力遮断回路、１３・・・電源回路。FIG. 1 is a block diagram showing the configuration of a conventional servo amplifier, and FIG. 2 is a block diagram showing the configuration of an embodiment of the present invention. 1... DC motor, 2... Speed detection device, 3.6.
... Comparator, 4... Speed command circuit, 5... Speed control amplifier, 7... Current detection device, 8... Pulse width modulation control circuit, '9.10... Operational amplifier for interface, 11... exclusive OR circuit, 12...
- Servo amplifier output cutoff circuit, 13...power supply circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流電動機に流れる電流を検出する電流検出装置と、前
記直流電動機の速度を検出する速度検出装置とを具え、
前記電流検出装置からの電流フィードバック信号と、前
記速度検出装置からの速度フィードバック信号とにより
前記直流電動機を制御するサーボアンプにおいて、電源
投入後、一定時間だけ動作する電源回路と、前記電源回
路から電圧の供給を受けて、前記電流フイニドバック信
号および前記速度ツーイードバンク信号の各々の極性に
より異常を判定する論理回路と、前記論理回路の出力に
より前記サーボアンプの出力を遮断する回路とからなり
、前記速度検出装置の誤配線による極性の逆転を前記論
理回路で検知して、前記直流電動機を保護することを特
徴′とするサーボアンプの保護回路。A current detection device that detects a current flowing through a DC motor, and a speed detection device that detects a speed of the DC motor,
A servo amplifier that controls the DC motor using a current feedback signal from the current detection device and a speed feedback signal from the speed detection device includes a power supply circuit that operates for a certain period of time after power is turned on, and a voltage output from the power supply circuit. a logic circuit that receives the supply of the current finidback signal and the speed two-weedbank signal to determine an abnormality based on the polarity of each of the signals, and a circuit that cuts off the output of the servo amplifier based on the output of the logic circuit, 1. A protection circuit for a servo amplifier, characterized in that the logic circuit detects polarity reversal due to incorrect wiring of a speed detection device to protect the DC motor.
JP14193682U 1982-09-21 1982-09-21 Servo amplifier protection circuit Pending JPS5947295U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14193682U JPS5947295U (en) 1982-09-21 1982-09-21 Servo amplifier protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14193682U JPS5947295U (en) 1982-09-21 1982-09-21 Servo amplifier protection circuit

Publications (1)

Publication Number Publication Date
JPS5947295U true JPS5947295U (en) 1984-03-29

Family

ID=30317296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14193682U Pending JPS5947295U (en) 1982-09-21 1982-09-21 Servo amplifier protection circuit

Country Status (1)

Country Link
JP (1) JPS5947295U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5448024A (en) * 1977-09-22 1979-04-16 Toshiba Corp Motor controller

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5448024A (en) * 1977-09-22 1979-04-16 Toshiba Corp Motor controller

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