JPH05204497A - Peripheral device remote-controlled on/off of power source - Google Patents
Peripheral device remote-controlled on/off of power sourceInfo
- Publication number
- JPH05204497A JPH05204497A JP3329296A JP32929691A JPH05204497A JP H05204497 A JPH05204497 A JP H05204497A JP 3329296 A JP3329296 A JP 3329296A JP 32929691 A JP32929691 A JP 32929691A JP H05204497 A JPH05204497 A JP H05204497A
- Authority
- JP
- Japan
- Prior art keywords
- peripheral device
- power source
- power supply
- signal
- voltage
- 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
Links
Landscapes
- Power Sources (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は周辺装置、たとえば、磁
気記憶装置に関し、特にSCSI(スモールコンピュー
タシステムインタフェース)規格に準拠して動作するS
CSIコントローラを内蔵し上位装置により制御され外
部から供給される電力により所定の動作を行う電源のオ
ンオフを遠隔制御される周辺装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a peripheral device, for example, a magnetic storage device, and more particularly to an S that operates in accordance with the SCSI (small computer system interface) standard.
The present invention relates to a peripheral device that has a CSI controller and is controlled by a host device and is remotely controlled to turn on and off a power supply that performs a predetermined operation by an electric power supplied from the outside.
【0002】[0002]
【従来の技術】図2は従来のこの種の周辺装置と上位装
置との接続関係を示す説明図である。2. Description of the Related Art FIG. 2 is an explanatory diagram showing a connection relationship between a conventional peripheral device of this type and a host device.
【0003】従来のこの種の周辺装置3は、SCSIコ
ントローラ22を内蔵し、別のSCSIコントローラ1
1を内蔵する上位装置1、たとえば、パーソナルコンピ
ュータ本体に複数の接続線4により上述の双方のSCS
Iコントローラ11と22間が接続され、上述した上位
装置1により制御されて所定の動作を行っている。上位
装置1からの制御信号は上述した接続線4を介して周辺
装置3のSCSIコントローラ22に入力される。This type of conventional peripheral device 3 has a built-in SCSI controller 22 and a separate SCSI controller 1
A host device 1 having a built-in device 1, for example, a personal computer main body and a plurality of connection lines 4 are used to connect both SCSs described above.
The I controllers 11 and 22 are connected to each other and are controlled by the above-described higher-level device 1 to perform a predetermined operation. The control signal from the host device 1 is input to the SCSI controller 22 of the peripheral device 3 via the connection line 4 described above.
【0004】上位装置1に接続された周辺装置3を上位
装置1と共に動作させるには、上位装置1の電源をオン
として上位装置1を動作状態にするとともに周辺装置3
が自蔵する電源スイッチ31を手動によりオンし、外部
電源からの電力をこの周辺装置3が取得している状態で
なければならない。In order to operate the peripheral device 3 connected to the host device 1 together with the host device 1, the power of the host device 1 is turned on to bring the host device 1 into the operating state and the peripheral device 3
Must manually turn on its own power switch 31 so that the peripheral device 3 is acquiring power from an external power source.
【0005】なお、複数の接続線4の中には上位装置1
の電源がオンされ、上位装置1が動作状態のとき予め決
められた一定の電圧をもつ信号がSCSIコントローラ
11から供給され、上位装置1の電源がオフになると上
述した電圧が零になる接続線が存在する、以後このよう
な信号を出力する接続線を信号線と称する、図2におい
てはこの信号線は信号線5である。It should be noted that the host device 1 is included in the plurality of connection lines 4.
When the host device 1 is turned on and the host device 1 is in operation, a signal having a predetermined voltage is supplied from the SCSI controller 11, and when the power of the host device 1 is turned off, the above-mentioned voltage becomes zero. , And the connection line for outputting such a signal is hereinafter referred to as a signal line. In FIG. 2, this signal line is the signal line 5.
【0006】また、上位装置1に対して周辺装置3の他
に別の周辺装置が複数個、周辺装置3と同様に接続され
て使用される場合が多い。In addition to the peripheral device 3, a plurality of other peripheral devices are connected to the host device 1 in the same manner as the peripheral device 3 and used.
【0007】[0007]
【発明が解決しようとする課題】上述した従来の周辺装
置をこの周辺装置に接続された上位装置とともに動作さ
せるときには、上位装置の電源をオンとするとともに、
この周辺装置の電源スイッチを手動によりオンとするこ
とが必要であり、上位装置と周辺装置の動作の終了時に
は、これらの装置の電源を別個にそれぞれオフする必要
がある。When operating the above-mentioned conventional peripheral device together with the host device connected to the peripheral device, the power supply of the host device is turned on, and
It is necessary to manually turn on the power switch of the peripheral device, and at the end of the operations of the host device and the peripheral device, it is necessary to separately turn off the power supplies of these devices.
【0008】このような、上位装置に対して接続されて
いる周辺装置が上位装置より遠方に存在していたり、こ
のような周辺装置が多数前述した上位装置に接続されて
いる場合には、これらの装置を動作させるとき、上述し
たように、上位装置の他に、この上位装置に接続されて
いる周辺装置のすべての電源スイッチを手動によりオン
としなければならず、このような電源スイッチをすべて
オンとするのが非常に煩雑であるという欠点を有してい
る。If such peripheral devices connected to the host device exist farther from the host device, or if a large number of such peripheral devices are connected to the host device described above, these As described above, when operating the device, all power switches of the peripheral device connected to this host device must be turned on manually as described above, and all such power switches must be turned on. It has a drawback that it is very complicated to turn on.
【0009】本発明の目的は、上位装置の電源がオンま
たはオフされると、この上位装置に接続される周辺装置
側で上位装置の電源のオンおよびオフの状態を検知しこ
の検知した状態に応じて周辺装置自身で自己の電源をオ
ンおよびオフすることのできる電源のオンオフを遠隔制
御される周辺装置を提供することにある。An object of the present invention is to detect, when the power of a host device is turned on or off, the peripheral device connected to this host device to detect the on / off state of the power supply of the host device and to make this detected state. Accordingly, it is an object of the present invention to provide a peripheral device in which the peripheral device itself can remotely turn on / off the power source so that the peripheral device itself can turn on / off its own power source.
【0010】[0010]
【課題を解決するための手段】本発明の電源のオンオフ
を遠隔制御される周辺装置は、第1のSCSIコントロ
ーラを持つ上位装置に接続線を介して内蔵する第2のS
CSIコントローラが接続され前記第1のSCSIコン
トローラを介して前記上位装置により制御され外部電源
により電力を供給されて動作する周辺装置において、電
源を内蔵し前記接続線内の前記第1のコントローラから
出力される信号線の電圧を監視し前記電圧が予め定めら
れた第1の基準電圧以上となったとき接続信号を出力し
かつ予め定められた前記第1の基準電圧よりも低い第2
の基準電圧に前記信号線の電圧が達しないときには切断
信号を出力する検出部と、内部電源を自蔵し前記接続信
号を受信すると前記周辺装置の外部電源をオンとし前記
切断信号を受信すると前記周辺装置の外部電源をオフと
する制御を行う電源制御回路とを前記周辺装置内に設け
て構成されている。A peripheral device of the present invention, which is remotely controlled to turn on / off a power supply, is installed in a host device having a first SCSI controller via a connection line to a second S.
In a peripheral device which is connected to a CSI controller and is controlled by the host device via the first SCSI controller and supplied with power from an external power source to operate, the power source is built in and output from the first controller in the connection line. The voltage of the signal line to be monitored, and outputs a connection signal when the voltage becomes equal to or higher than a predetermined first reference voltage, and a second signal lower than the predetermined first reference voltage.
When a voltage of the signal line does not reach the reference voltage of, a detection unit that outputs a disconnection signal, and an internal power supply is self-contained and when the connection signal is received, the external power supply of the peripheral device is turned on and when the disconnection signal is received, A power supply control circuit for performing control to turn off the external power supply of the peripheral device is provided in the peripheral device.
【0011】また、第2の発明の電源のオンオフを遠隔
制御される周辺装置は、第1のSCSIコントローラを
持つ上位装置に接続線を介して内蔵する第2のSCSI
コントローラが接続され前記第1のSCSIコントロー
ラを介して前記上位装置により制御され外部電源により
電力を供給されて動作する周辺装置において、外部から
常時電力を取得し前記接続線内の前記第1のコントロー
ラから出力される信号線の電圧を監視し前記電圧が予め
定められた第1の基準電圧以上となったとき接続信号を
出力しかつ予め定められた前記第1の基準電圧よりも低
い第2の基準電圧に前記信号線の電圧が達しないときに
は切断信号を出力する検出部と、外部から常時電力を取
得し前記接続信号を受信すると前記周辺装置の外部電源
をオンとし前記切断信号を受信すると前記周辺装置の外
部電源をオフとする制御を行う電源制御回路とを前記周
辺装置内に設けて構成されている。Further, the peripheral device of the second invention, which is remotely controlled to turn on / off the power supply, has a second SCSI installed in a host device having the first SCSI controller via a connection line.
In a peripheral device that is connected to a controller and is controlled by the host device via the first SCSI controller and is powered by an external power source to operate, the first controller in the connection line always obtains power from the outside. The voltage of the signal line output from the second monitoring circuit is monitored, a connection signal is output when the voltage becomes equal to or higher than a predetermined first reference voltage, and a second signal lower than the predetermined first reference voltage is output. When the voltage of the signal line does not reach the reference voltage, a detection unit that outputs a disconnection signal, and when the connection signal is received by constantly obtaining power from the outside, the external power supply of the peripheral device is turned on and when the disconnection signal is received, the A power supply control circuit for performing control to turn off the external power supply of the peripheral device is provided in the peripheral device.
【0012】[0012]
【実施例】次に、本発明の実施例について図面を参照し
て説明する。Embodiments of the present invention will now be described with reference to the drawings.
【0013】図1は本発明の電源のオンオフを遠隔制御
される周辺装置の一実施例を示すブロック図である。FIG. 1 is a block diagram showing an embodiment of a peripheral device of the present invention which is remotely controlled to turn on and off the power supply.
【0014】図1に示すように、本発明の電源のオンオ
フを遠隔制御される周辺装置2(以後、周辺装置2と称
する)内に、SCSIコントローラ22と、信号線5に
接続されその電圧を監視する検出部21と、検出部21
からの出力信号により制御されて周辺装置2の電源をオ
ンオフする電源制御回路23を有している。この電源制
御回路23は周辺装置2に接続された図示されていない
外部電源からの電力を周辺装置2に供給または断とする
制御回路である。As shown in FIG. 1, a peripheral device 2 (hereinafter referred to as a peripheral device 2) of which the power supply of the present invention is remotely controlled is connected to a SCSI controller 22 and a signal line 5 and its voltage is controlled. Detection unit 21 for monitoring, and detection unit 21
The power supply control circuit 23 controls the power supply of the peripheral device 2 by turning on and off the power supply control circuit 23. The power supply control circuit 23 is a control circuit that supplies or cuts off power from an external power supply (not shown) connected to the peripheral device 2.
【0015】この周辺装置2は信号線5を含む複数の接
続線4により上位装置1に接続される。The peripheral device 2 is connected to the host device 1 by a plurality of connection lines 4 including a signal line 5.
【0016】検出部2はそれ自身が動作するための内部
電源を自蔵しており、予め設定された第1の基準電圧
と、第1の基準電圧より絶対値が小である第2の基準電
圧とを持っており、信号線5の電圧を監視し、信号線5
の電圧が第1の基準電圧より大となった状態のとき接続
信号を生成し電源制御回路23に出力する。また、信号
線5の電圧が第2の基準電圧より小となった状態のと
き、切断信号を生成し電源制御回路23に出力する。The detection unit 2 has its own internal power supply for operating, and has a preset first reference voltage and a second reference whose absolute value is smaller than that of the first reference voltage. Has a voltage and monitors the voltage of the signal line 5,
When the voltage is higher than the first reference voltage, a connection signal is generated and output to the power supply control circuit 23. Further, when the voltage of the signal line 5 is lower than the second reference voltage, the disconnection signal is generated and output to the power supply control circuit 23.
【0017】電源制御回路23はそれ自身が動作をする
のに必要な電源を内部に有しており、前述の接続信号を
受信すると、図示されていない外部電源に周辺装置2を
接続する。また、電源制御回路23に切断信号が加えら
れているときには、図示されていない外部電源と周辺装
置2の接続を断として、周辺装置2の電源をオフとす
る。The power supply control circuit 23 has a power supply necessary for its own operation inside, and upon receiving the above-mentioned connection signal, connects the peripheral device 2 to an external power supply (not shown). When the disconnection signal is applied to the power supply control circuit 23, the peripheral device 2 is disconnected from the external power supply (not shown) and the peripheral device 2 is powered off.
【0018】今、第1の基準電圧の値を、上位装置1が
の電源がオンとなったとき、信号線5に上位装置1から
出力される電圧より僅かに小とし、また前記第2の基準
電圧の値を、上位装置1がオンされているとき信号線5
に出力される電圧の値より十分小としておけば、上位装
置1と接続線4により接続された周辺装置2の電源は、
上位装置1の電源のオンオフに対応して変化する信号線
5の電圧を検出部21が検出することにより上位装置1
の電源のオンオフに連動して周辺装置2の電源もオンオ
フされることになる。Now, the value of the first reference voltage is set to be slightly smaller than the voltage output from the host device 1 to the signal line 5 when the power supply of the host device 1 is turned on, and the value of the second reference voltage The value of the reference voltage is set to the signal line 5 when the host device 1 is turned on.
If it is sufficiently smaller than the value of the voltage output to the peripheral device 2, the power supply of the peripheral device 2 connected to the host device 1 by the connection line 4
The detection unit 21 detects the voltage of the signal line 5 that changes in response to the power on / off of the host device 1
The power of the peripheral device 2 is also turned on / off in conjunction with the turning on / off of the power.
【0019】なお、これまで説明した実施例において
は、検出部21と電源制御回路23とは、それぞれ、自
身が動作をするのに必要な電源を内蔵しているが、内蔵
する電源の代りに、常時、外部電源から電力を取得する
構成としておいてもよい。In the above-described embodiments, the detection section 21 and the power supply control circuit 23 each have a built-in power supply necessary for their own operation, but instead of the built-in power supply, Alternatively, the power may be constantly obtained from the external power supply.
【0020】[0020]
【発明の効果】以上説明したように、本発明の電源のオ
ンオフを遠隔制御される周辺装置は、内部に有する検出
部により、上位装置の電源のオンおよびオフ状態を検知
し自身の電源のオンおよびオフを内蔵する電源制御回路
により行わせることができるので、この周辺装置が上位
装置から遠く離れて配置されている場合でも、あるいは
多数の本発明の電源のオンオフを遠隔制御される周辺装
置が一つの上位装置に接続されている場合でも、極めて
簡単に電源をオンおよびオフさせることができるという
効果を有している。As described above, the peripheral device of the present invention, which is remotely controlled to turn on / off the power supply, detects the on / off state of the power supply of the host device by an internal detection unit and turns on its own power supply. Since this can be performed by a power supply control circuit having built-in power supply and off, even if this peripheral device is located far away from the host device, or if a large number of peripheral devices of the present invention are remotely controlled to turn on and off. Even when connected to one host device, the power can be turned on and off extremely easily.
【図1】本発明の電源のオンオフを遠隔制御される周辺
装置の一実施例を示すブロック図である。FIG. 1 is a block diagram showing an embodiment of a peripheral device of the present invention that is remotely controlled to turn on and off a power supply.
【図2】従来のこの種の周辺装置と上位装置との接続関
係の一例を示す説明図である。FIG. 2 is an explanatory diagram showing an example of a connection relationship between a conventional peripheral device of this type and a host device.
1 上位装置 2 電源のオンオフを遠隔制御される周辺装置 4 接続線 5 信号線 21 検出部 22 電源制御回路 1 Upper device 2 Peripheral device whose power supply is turned on / off remotely 4 Connection line 5 Signal line 21 Detector 22 Power control circuit
Claims (2)
装置に接続線を介して内蔵する第2のSCSIコントロ
ーラが接続され前記第1のSCSIコントローラを介し
て前記上位装置により制御され外部電源により電力を供
給されて動作する周辺装置において、電源を内蔵し前記
接続線内の前記第1のコントローラから出力される信号
線の電圧を監視し前記電圧が予め定められた第1の基準
電圧以上となったとき接続信号を出力しかつ予め定めら
れた前記第1の基準電圧よりも低い第2の基準電圧に前
記信号線の電圧が達しないときには切断信号を出力する
検出部と、内部電源を自蔵し前記接続信号を受信すると
前記周辺装置の外部電源をオンとし前記切断信号を受信
すると前記周辺装置の外部電源をオフとする制御を行う
電源制御回路とを前記周辺装置内に設けたことを特徴と
する電源のオンオフを遠隔制御される周辺装置。1. A second SCSI controller, which is built in, is connected to a host device having a first SCSI controller via a connection line, and is controlled by the host device via the first SCSI controller to supply electric power from an external power source. In the peripheral device that is supplied and operates, the voltage of the signal line output from the first controller in the connection line is monitored and the voltage becomes equal to or higher than a predetermined first reference voltage. When the connection signal is output and the voltage of the signal line does not reach the second reference voltage lower than the predetermined first reference voltage, a detection unit that outputs a disconnection signal and an internal power supply are self-contained. And a power supply control circuit for controlling the external power supply of the peripheral device to be turned on when the connection signal is received, and the external power supply of the peripheral device to be turned off when the disconnection signal is received. A peripheral device that is remotely controlled to turn on / off a power source, which is provided in the peripheral device.
装置に接続線を介して内蔵する第2のSCSIコントロ
ーラが接続され前記第1のSCSIコントローラを介し
て前記上位装置により制御され外部電源により電力を供
給されて動作する周辺装置において、外部から常時電力
を取得し前記接続線内の前記第1のコントローラから出
力される信号線の電圧を監視し前記電圧が予め定められ
た第1の基準電圧以上となったとき接続信号を出力しか
つ予め定められた前記第1の基準電圧よりも低い第2の
基準電圧に前記信号線の電圧が達しないときには切断信
号を出力する検出部と、外部から常時電力を取得し前記
接続信号を受信すると前記周辺装置の外部電源をオンと
し前記切断信号を受信すると前記周辺装置の外部電源を
オフとする制御を行う電源制御回路とを前記周辺装置内
に設けたことを特徴とする電源のオンオフを遠隔制御さ
れる周辺装置。2. A higher-level device having a first SCSI controller is connected to a second SCSI controller, which is built in, through a connection line, and is controlled by the higher-level device via the first SCSI controller to supply power from an external power source. In the peripheral device which is supplied and operates, the power is constantly obtained from the outside, the voltage of the signal line output from the first controller in the connection line is monitored, and the voltage is equal to or higher than a predetermined first reference voltage. And a detection unit that outputs a disconnection signal when the voltage of the signal line does not reach the second reference voltage lower than the predetermined first reference voltage when the connection signal becomes When the power is acquired and the connection signal is received, the external power supply of the peripheral device is turned on, and when the disconnection signal is received, the external power supply of the peripheral device is turned off. A peripheral device which is remotely controlled to turn on and off the power supply, wherein a power supply control circuit is provided in the peripheral device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3329296A JPH05204497A (en) | 1991-12-13 | 1991-12-13 | Peripheral device remote-controlled on/off of power source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3329296A JPH05204497A (en) | 1991-12-13 | 1991-12-13 | Peripheral device remote-controlled on/off of power source |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH05204497A true JPH05204497A (en) | 1993-08-13 |
Family
ID=18219880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3329296A Pending JPH05204497A (en) | 1991-12-13 | 1991-12-13 | Peripheral device remote-controlled on/off of power source |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH05204497A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0729625U (en) * | 1993-10-22 | 1995-06-02 | ヤマハ株式会社 | Computer system |
JPH09185435A (en) * | 1995-12-05 | 1997-07-15 | Samsung Electron Co Ltd | Device and method for controlling power source for computer peripheral equipment |
JPH11305880A (en) * | 1998-04-23 | 1999-11-05 | Sony Corp | Usb equipment and usb hub device |
KR20010083408A (en) * | 2000-02-12 | 2001-09-01 | 김홍기 | Monitor power control circuit |
-
1991
- 1991-12-13 JP JP3329296A patent/JPH05204497A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0729625U (en) * | 1993-10-22 | 1995-06-02 | ヤマハ株式会社 | Computer system |
JPH09185435A (en) * | 1995-12-05 | 1997-07-15 | Samsung Electron Co Ltd | Device and method for controlling power source for computer peripheral equipment |
JPH11305880A (en) * | 1998-04-23 | 1999-11-05 | Sony Corp | Usb equipment and usb hub device |
KR20010083408A (en) * | 2000-02-12 | 2001-09-01 | 김홍기 | Monitor power control circuit |
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