JP4645476B2 - スレーブ装置 - Google Patents
スレーブ装置 Download PDFInfo
- Publication number
- JP4645476B2 JP4645476B2 JP2006049660A JP2006049660A JP4645476B2 JP 4645476 B2 JP4645476 B2 JP 4645476B2 JP 2006049660 A JP2006049660 A JP 2006049660A JP 2006049660 A JP2006049660 A JP 2006049660A JP 4645476 B2 JP4645476 B2 JP 4645476B2
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- Prior art keywords
- communication
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- value
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- comparison value
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- 238000004891 communication Methods 0.000 claims description 102
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- 230000005856 abnormality Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 230000004913 activation Effects 0.000 description 17
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Communication Control (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Programmable Controllers (AREA)
Description
11 タイマ
12 比較値設定手段
13 比較器
14 一致信号
15 起動信号生成手段
16 スレーブ制御起動信号
Claims (2)
- マスタ装置からスレーブ装置へのコマンドの伝送を通信で行う制御システムのスレーブ装置において、通信フレームの受信時に発生する通信タイミング信号でクリアされるタイマと、比較値を設定する比較値設定手段と、タイマ値と比較値を比較して両者の値が一致した時に一致信号を出力する比較器と、通信タイミング信号もしくは一致信号が入力されればスレーブ制御起動信号を出力する起動信号生成手段とを備え、前記比較値設定手段は、通信タイミング信号が入力された時にはその通信タイミング信号の周期である通信周期にタイミングマージンを加えた時間に相当するタイマ値を比較値として設定し、また、一致信号が入力された時には通信周期に相当するタイマ値を現在の比較値に加算した値を新たな比較値として設定し、さらに、前記タイミングマージンは通信周期の最大変動幅よりも大なる値としたことを特徴とするスレーブ装置。
- 比較値が予め設定された上限値以上になった場合に、タイムアウト異常処理を実行することを特徴とする請求項1記載のスレーブ装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006049660A JP4645476B2 (ja) | 2006-02-27 | 2006-02-27 | スレーブ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006049660A JP4645476B2 (ja) | 2006-02-27 | 2006-02-27 | スレーブ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007228462A JP2007228462A (ja) | 2007-09-06 |
JP4645476B2 true JP4645476B2 (ja) | 2011-03-09 |
Family
ID=38549786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006049660A Expired - Fee Related JP4645476B2 (ja) | 2006-02-27 | 2006-02-27 | スレーブ装置 |
Country Status (1)
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JP (1) | JP4645476B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9883474B2 (en) | 2013-07-19 | 2018-01-30 | Mitsubishi Electric Corporation | Ring-shaped synchronous network system and time slave station |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5223809B2 (ja) * | 2009-07-29 | 2013-06-26 | トヨタ自動車株式会社 | 同期通信システム |
JP5763961B2 (ja) | 2011-04-14 | 2015-08-12 | キヤノン株式会社 | 通信装置、通信システム、通信装置の制御方法およびプログラム |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000049599A (ja) * | 1998-07-27 | 2000-02-18 | Nec Eng Ltd | フレーム位相同期回路 |
JP2002281006A (ja) * | 2001-03-22 | 2002-09-27 | Nec Eng Ltd | タイミング信号生成回路 |
JP2005094933A (ja) * | 2003-09-18 | 2005-04-07 | Fuji Electric Fa Components & Systems Co Ltd | モータ駆動装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07303100A (ja) * | 1994-05-10 | 1995-11-14 | Fuji Electric Co Ltd | 信号同期制御回路 |
JP3321509B2 (ja) * | 1995-04-10 | 2002-09-03 | 富士通株式会社 | フレームパルス生成回路 |
-
2006
- 2006-02-27 JP JP2006049660A patent/JP4645476B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000049599A (ja) * | 1998-07-27 | 2000-02-18 | Nec Eng Ltd | フレーム位相同期回路 |
JP2002281006A (ja) * | 2001-03-22 | 2002-09-27 | Nec Eng Ltd | タイミング信号生成回路 |
JP2005094933A (ja) * | 2003-09-18 | 2005-04-07 | Fuji Electric Fa Components & Systems Co Ltd | モータ駆動装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9883474B2 (en) | 2013-07-19 | 2018-01-30 | Mitsubishi Electric Corporation | Ring-shaped synchronous network system and time slave station |
Also Published As
Publication number | Publication date |
---|---|
JP2007228462A (ja) | 2007-09-06 |
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