JP2010104187A5 - - Google Patents
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- JP2010104187A5 JP2010104187A5 JP2008275076A JP2008275076A JP2010104187A5 JP 2010104187 A5 JP2010104187 A5 JP 2010104187A5 JP 2008275076 A JP2008275076 A JP 2008275076A JP 2008275076 A JP2008275076 A JP 2008275076A JP 2010104187 A5 JP2010104187 A5 JP 2010104187A5
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- motor
- circuit
- safety
- state
- motor control
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Description
上記課題を解決するために、本発明は、次のように構成したのである。
本発明の一の観点によるモータ制御装置は、外部の上位装置からのモータ駆動指令に応じて直流を交流に変換するインバータ部を駆動するゲート駆動回路と、前記ゲート駆動回路に与えるＰＷＭ信号を生成するＰＷＭ発生回路と、前記ゲート駆動回路と前記ＰＷＭ発生回路の間に介在させる安全停止回路を備えたモータ制御装置であって、
前記安全停止回路が、外部のモータ停止スイッチと、前記モータ停止スイッチと連動して前記ＰＷＭ信号を遮断する複数の３ステートバッファと、前記上位装置が前記安全装置自体の異常を判断できるように構成した監視回路と、を備えたモータ制御装置が適用される。
In order to solve the above problems, the present invention is configured as follows.
A motor control device according to one aspect of the present invention generates a gate drive circuit that drives an inverter unit that converts direct current into alternating current in response to a motor drive command from an external host device, and generates a PWM signal to be given to the gate drive circuit A motor control device including a PWM generation circuit, and a safety stop circuit interposed between the gate drive circuit and the PWM generation circuit,
The safety stop circuit is configured so that an external motor stop switch, a plurality of three-state buffers that cut off the PWM signal in conjunction with the motor stop switch, and the host device can determine abnormality of the safety device itself A motor control device including the monitoring circuit is applied.
Claims (7)
前記安全停止回路が、外部のモータ停止スイッチと、前記モータ停止スイッチと連動して前記ＰＷＭ信号を遮断する複数の３ステートバッファと、前記上位装置が前記安全装置自体の異常を判断できるように構成した監視回路と、を備えたことを特徴とする安全停止回路を備えたモータ制御装置。 A gate drive circuit that drives an inverter unit that converts direct current to alternating current in response to a motor drive command from an external host device, a PWM generation circuit that generates a PWM signal to be applied to the gate drive circuit, the gate drive circuit, and the gate drive circuit A motor control device including a safety stop circuit interposed between PWM generation circuits,
The safety stop circuit is configured so that an external motor stop switch, a plurality of three-state buffers that cut off the PWM signal in conjunction with the motor stop switch, and the host device can determine abnormality of the safety device itself A motor control device including a safety stop circuit.
前記上位装置が、モータ制御装置を駆動する前に、前記半導体素子の出力信号に基づいて前記安全装置自体の異常を判断できるようにしたことを特徴とする請求項１に記載の安全停止回路を備えたモータ制御装置。 The monitoring circuit includes a logic circuit that inputs at least one output signal of each of the three-state buffers, and a semiconductor element that inputs an output signal of the logic circuit and performs an on / off operation based on the output signal.
2. The safety stop circuit according to claim 1, wherein the host device can determine an abnormality of the safety device itself based on an output signal of the semiconductor element before driving the motor control device. Provided motor control device.
When the first motor stop switch is open, the safety stop circuit cuts off the PWM signal during the open period of both the first and second three-state buffers, and when the second motor stop switch is open, the second 6. The motor control apparatus having a safety stop circuit according to claim 5, wherein only the three-state buffer cuts off the PWM signal during the open period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008275076A JP5370724B2 (en) | 2008-10-27 | 2008-10-27 | Motor control device with safe stop circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008275076A JP5370724B2 (en) | 2008-10-27 | 2008-10-27 | Motor control device with safe stop circuit |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010104187A JP2010104187A (en) | 2010-05-06 |
| JP2010104187A5 true JP2010104187A5 (en) | 2012-01-05 |
| JP5370724B2 JP5370724B2 (en) | 2013-12-18 |
Family
ID=42294284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008275076A Active JP5370724B2 (en) | 2008-10-27 | 2008-10-27 | Motor control device with safe stop circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5370724B2 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103250339B (en) | 2010-12-07 | 2015-11-25 | 日立汽车系统株式会社 | Power-converting device |
| JP5379880B2 (en) | 2012-04-18 | 2013-12-25 | 三菱電機株式会社 | Electric motor drive control device |
| JP6075024B2 (en) * | 2012-11-19 | 2017-02-08 | 富士電機株式会社 | Multi-level inverter |
| WO2015063892A1 (en) * | 2013-10-30 | 2015-05-07 | 株式会社安川電機 | Motor control device |
| JP6107745B2 (en) | 2014-05-23 | 2017-04-05 | 株式会社安川電機 | Power conversion device and abnormality diagnosis method for power conversion device |
| JP2016069339A (en) * | 2014-09-30 | 2016-05-09 | 三笠製薬株式会社 | Inflammatory bowel disease therapeutic agent |
| AT516568B1 (en) | 2014-11-21 | 2017-03-15 | Bernecker + Rainer Industrie-Elektronik Ges M B H | Device and a method for safe control of a semiconductor switch of an inverter |
| EP3179625A1 (en) * | 2015-12-07 | 2017-06-14 | ABB Technology Oy | A method and apparatus for testing safe torque off circuitry in electric drives |
| EP3220539B1 (en) | 2016-03-15 | 2021-04-21 | Omron Corporation | Motor controller |
| JP6806609B2 (en) * | 2017-03-27 | 2021-01-06 | ファナック株式会社 | Power control device and power control method |
| WO2018221043A1 (en) | 2017-05-31 | 2018-12-06 | パナソニックＩｐマネジメント株式会社 | Diagnostic apparatus |
| JP6814119B2 (en) * | 2017-09-19 | 2021-01-13 | 株式会社日立産機システム | Power converter and safety function module |
| KR20190136233A (en) | 2018-05-30 | 2019-12-10 | 엘에스산전 주식회사 | Apparatus for protecting inverter |
| JP7398620B2 (en) | 2018-06-15 | 2023-12-15 | パナソニックＩｐマネジメント株式会社 | Breaking circuit diagnostic device |
| KR102281632B1 (en) | 2019-02-22 | 2021-07-23 | 엘에스일렉트릭(주) | Apparatus for protecting inverter |
| JP2022042126A (en) | 2020-09-02 | 2022-03-14 | セイコーエプソン株式会社 | Robot control device and robot system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002139546A (en) * | 2000-10-30 | 2002-05-17 | Mitsubishi Electric Corp | Test circuit |
| JP4273805B2 (en) * | 2003-03-31 | 2009-06-03 | 株式会社豊田自動織機 | Power supply |
| JP2004357450A (en) * | 2003-05-30 | 2004-12-16 | Matsushita Electric Ind Co Ltd | Pwm circuit and micro controller |
| JP4898275B2 (en) * | 2006-04-26 | 2012-03-14 | 株式会社ダイヘン | Emergency stop device |
-
2008
- 2008-10-27 JP JP2008275076A patent/JP5370724B2/en active Active
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