JP3837634B2 - Method for monitoring manufacturing apparatus using wireless tag - Google Patents

Method for monitoring manufacturing apparatus using wireless tag Download PDF

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Publication number
JP3837634B2
JP3837634B2 JP2003090195A JP2003090195A JP3837634B2 JP 3837634 B2 JP3837634 B2 JP 3837634B2 JP 2003090195 A JP2003090195 A JP 2003090195A JP 2003090195 A JP2003090195 A JP 2003090195A JP 3837634 B2 JP3837634 B2 JP 3837634B2
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Japan
Prior art keywords
wireless tag
manufacturing apparatus
tag
wireless
monitoring
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JP2004295767A (en
Inventor
博行 多田
利男 谷崎
輝世 野口
員章 嵐
茂 辻山
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博行 多田
谷▲崎▼ 利男
輝世 野口
員章 嵐
茂 辻山
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Description

【０００１】
【発明の属する技術分野】
本発明は製造装置の運転状態を監視するための方法に関する。
【０００２】
【従来の技術】
従来の製造装置の運転状態を監視する方式は製造装置とそれを監視するための監視用機器の間を図４あるいは図５に示すように有線にて接続するのが一般的である。また極くわずかではあるが図６に示すように製造装置に無線発信機を取り付けて監視するための機器と無線にて接続することも試みられている。
【０００３】
【発明が解決しようとする課題】
しかしながら以上の従来技術によれば図４に示す、運転状態の数だけの信号線を製造装置５０と監視用機器２３との間、配線するという方式は最も単純ではあるが製造装置５０と監視用機器２３の間の距離が長い場合、配線工事費が高額になることと、後に説明する製造装置５０の配置変更に容易に対応できないという問題を抱えている。
【０００４】
図５に示す、製造装置５０に通信信号出力機能５３を持った信号入力装置５５を取り付け、これに製造装置５０の運転状態をあらわす接点信号５１を接続し、通信信号出力機能５３により、通信の手段で製造装置５０と監視用機器２３との間を接続する方式も多く用いられているが、単にハードウエアの追加だけでなく製造装置５０の運転状態をあらわす接点信号５１を取り込んで通信信号として出力するためのアプリケーションソフトウエアの製作も必要となるため高額であり、さらに製造工場では頻繁に製造装置５０の台数の増減、配置変更が行われるため、その都度、製造装置５０と監視用機器２３との間の配線変更が必要となり特に製造装置の台数が多い場合にはやはり対応が困難である。
【０００５】
なお、新規に製作される製造装置で当該製造装置の制御装置に製造装置の監視したい運転状態を取り込み、監視用機器へ通信の手段により、これを出力することが可能なよう予め設計されたものにあっては、信号入力装置５５と通信信号出力機能５３を当該制御装置にて代用することができるため、当該製造装置へ新たに通信信号出力機能５３を持った信号入力装置５５の取り付けは必要なくなるが、製造装置５０の台数の増減、配置変更にともなう製造装置５０と監視用機器２３との間の配線変更が必要となる問題は依然として残る。
【０００６】
図６に示す、製造装置５０に通信信号出力機能５３を持った信号入力装置５５を取り付け、これに製造装置５０の運転状態をあらわす接点信号５１を接続し、さらに無線発信機５４を取り付けて無線で監視用機器２３に接続する方式も希に用いられてはいるが、製造装置５０の台数の増減、配置変更に対しての適応性は高いものの、さらに高額となるため簡易に製造装置の監視を行いたいとの需要には対応が難しい。
【０００７】
そこで本発明は製造装置の監視を行なうにあたり、製造装置の運転状態を無線タグのタグ情報に置き換えて無線で取り出すことにより、安価に、しかも製造装置の台数の増減、配置変更に対しても製造装置と監視用機器の間の配線変更が不要な方法を実現することを課題とする。
【０００８】
【課題を解決するための手段】
上記課題を解決するため、本発明は以下のような特徴を有する。
【０００９】
製造装置に、外部電源駆動型の無線タグを当該装置の監視したい運転状態の数だけ取り付け、当該装置の監視したい運転状態ごとに監視したい運転状態を接点信号にて無線タグのＩＣチップの電源供給回路に接続し、当該装置の近辺に取り付けられた無線タグ用リーダー機器からの呼び出しに応じて接点の状態を各々の無線タグが返信することにより当該装置の運転状態を無線にて監視する監視方法であって、無線タグのICチップには予め無線タグがデーターとして扱うことが出来る文字、数字、記号のうち何かをデーターとして書き込んでおき、当該装置の近辺に取り付けられた無線タグ用リーダー機器から呼び出しがあった際、接点が閉の場合は無線タグが予め書き込まれたデーターを返信し、接点が開の場合はICチップに電源が供給されないため無線タグがデーターを返信しないことにより接点の状態、すなわち製造装置の運転状態を無線タグのタグ情報に置き換えて製造装置の運転状態を監視する機器へ伝達することを特徴とする無線タグを利用した製造装置の監視方法。
【００１０】
【発明の実施の形態】
以下、図１から図３により本発明の実施例について説明する。
【００１１】
製造装置５０に監視したい運転状態の数だけ、ICチップ１１に予め無線タグがデーターとして扱うことが出来る文字、数字、記号のうち何かがデーターとして書き込まれた外部電源駆動型の無線タグ１０を取り付け、図１に示すように無線タグ１０のICチップ１１の電源供給回路へ製造装置５０の運転状態をあらわす接点５１を接続する。
【００１２】
図３に示すように、監視したい全ての製造装置５０が設置される範囲において監視したい全ての製造装置５０に取り付けられた全ての無線タグ１０と交信するのが可能な数だけ、無線タグ用リーダー機器２２に接続される無線タグとの交信用アンテナ（以下、交信アンテナという）２１を設置し、どの交信アンテナ２１でどの製造装置５０の無線タグ１０と交信させるかを決める。
【００１３】
次に、交信アンテナ２１に製造装置５０に取り付けられた無線タグ１０との交信の制御および無線タグ１０からの返信データーの読み込みを行なう無線タグ用リーダー機器（以下、リーダー機器という）２２を接続し、リーダー機器２２から交信アンテナ２１を経由して監視したい全ての製造装置５０へ取り付けられた全ての無線タグ１０との交信が行なえるようにする。
【００１４】
この上で、リーダー機器２２に監視用機器２３を接続し、監視用機器２３からリーダー機器２２へ定周期で監視したい全ての製造装置５０に取り付けられた全ての無線タグ１０と交信を行なうよう要求を出し、監視したい全ての製造装置５０に取り付けられた全ての無線タグ１０との交信を行なう。
【００１５】
交信の際、製造装置５０に取り付けられた無線タグ１０は、製造装置５０の運転状態をあらわす接点５１が閉の場合はICチップ１１に予め書き込まれたデーターを交信アンテナ２１を経由してリーダー機器２２へ返信するが、製造装置５０の運転状態をあらわす接点５１が開の場合はICチップ１１に電源が供給されないためリーダー機器２２へ何も返信しない。
【００１６】
以上の、無線タグ１０からの返信情報をリーダー機器２２を経由して監視用機器２３で受信することにより、監視用機器２３は当該無線タグ１０から予め書き込まれているデーターが返信されてきた場合は当該接点５１が閉、何も返信されてこない場合は当該接点５１が開の状態であると判別できる。これにより監視用機器２３は当該接点５１があらわす状態、すなわち当該製造装置５０の運転状態を識別することがこと可能となり、当該製造装置５０について運転中、停止中、異常停止中、異常原因１、異常原因２、異常原因３の運転状態の表示を行なうことができる。
【００１７】
さらにこの受信情報、すなわち製造装置５０に取り付けられた無線タグ１０からの定周期での返信情報を監視用機器２３自身もしくは監視用機器２３に接続されたコンピューターに蓄積することにより、当該製造装置５０の現在の運転状態の表示だけでなく、過去の運転状態の履歴、解析、ならびに製造装置５０の運転報告書作成を行うことも出来る。
【００１８】
なお、無線タグ１０との交信方法については監視したい全ての製造装置５０に取り付けられた全ての無線タグ１０と１個づつ順番に交信を行なう、すなわち交信相手として指定した無線タグ１０からの返信の有無を確認の上、次の無線タグ１０との交信に移るという方法と、交信アンテナ２１が受け持つ範囲の全ての無線タグ１０に対して一斉に呼び出しを行ない一定時間内に返信を得るという方法とがあるが、後者の場合は当該の無線タグ１０より一斉に返信があるため返信情報がどの無線タグ１０からの返信であるのかの識別が必要になる。この識別については無線タグ１０自身が製造された時点から持っている固有の識別番号を接点信号５１の状態を伝達することを目的として書き込まれたデーターと一緒に返信するか、あるいは全ての無線タグ１０に他の無線タグ１０と識別することを目的に予め固有の名前、番号あるいは記号をデーターとして書き込んでおき接点信号５１の状態を伝達することを目的として書き込まれたデーターと一緒に返信することにより可能となる。
【００１９】
他の実施形態１として、無線タグ１０のＩＣチップ１１への電源供給については図１に示す、一つの電源から共通に供給するもの以外に、図２に示す無線タグ１０のＩＣチップ１１ごとに供給電源を設け個別に供給するものでも良い。
【００２０】
他の実施形態２として、製造装置５０の運転状態を無線タグ１０のタグ情報として受信するにあたっては無線タグ１０のICチップ１１に予め接点５１の状態を伝達することを目的としたデーターを書き込んでおくもの以外に、図３に示すリーダー機器２２の代わりに無線タグ１０への読み込みと書き込みが可能な機器を設けて、先ず交信アンテナ２１を経由して無線タグ１０へデーターを書き込み、同アンテナを経由して再度これを読み込むものでも良い。
【００２１】
他の実施形態３として、交信アンテナ２１とリーダー機器２２を個別に設けるもの以外に、交信アンテナ２１とリーダー機器２２を一体化し、監視したい全ての製造装置５０が設置される範囲において監視したい全ての製造装置５０に取り付けられた全ての無線タグ１０と交信することが可能な数だけ、この一体化した機器を設けるものでもよい。
【００２２】
【発明の効果】
以上説明したように本発明により、製造装置に外部電源駆動型の無線タグを監視したい運転状態の数だけ取り付け、これの電源供給回路を製造装置の状態をあらわす接点でオン、オフさせることにより、製造装置の運転状態を無線タグのタグ情報に置き換えて無線で取り出すことが出来るようになるため、安価に、しかも製造装置の台数の増減、配置変更に対しても当該製造装置と監視機器の間の配線変更が不要な方法を実現でき、製造装置の運転状態を容易に監視出来るようになる。
【００２３】
【図面の簡単な説明】
【図１】無線タグを利用して製造装置の運転状態を無線タグとの交信用アンテナに伝送する方法を示した機能構成図である。
【図２】図１以外での実施形態を示した図である。
【図３】本発明を利用して製造装置の運転状態の監視を行う場合の方法を示したシステム構成図である。
【図４】従来技術での実施形態（運転状態の数だけの信号線を監視するための機器まで配線する）を示した図である。
【図５】従来技術での実施形態（製造装置に通信信号出力機能を持った信号入力装置を取り付け通信で監視するための機器へ接続する）を示した図である。
【図６】従来技術での実施形態（無線発信機により監視するための機器へ接続する）を示した図である。
【符号の説明】
１０ 外部電源駆動型の無線タグ
１１ 上記無線タグに組み込まれたＩＣチップ
１２ 上記無線タグに組み込まれた無線タグ自身の交信用アンテナ
２１ 無線タグとの交信用アンテナ
２２ 無線タグ用リーダー機器
２３ 監視用機器
２５ 無線受信機
５０ 製造装置
５１ 製造装置の運転状態をあらわす接点信号
５２ 外部電源駆動型の無線タグへの供給電源
５３ 通信信号出力機能
５４ 無線発信機
５５ 信号入力装置
５９ 製造装置と監視用機器との間を接続する配線[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for monitoring the operating state of a manufacturing apparatus.
[0002]
[Prior art]
In a conventional method for monitoring the operating state of a manufacturing apparatus, the manufacturing apparatus and a monitoring device for monitoring the manufacturing apparatus are generally connected by wire as shown in FIG. 4 or FIG. In addition, as shown in FIG. 6, there is an attempt to connect wirelessly to a device for monitoring by attaching a wireless transmitter to the manufacturing apparatus.
[0003]
[Problems to be solved by the invention]
However, according to the above prior art, the method of wiring as many signal lines as the number of operating states shown in FIG. 4 between the manufacturing apparatus 50 and the monitoring equipment 23 is the simplest but the manufacturing apparatus 50 and the monitoring apparatus. When the distance between the devices 23 is long, there is a problem that the wiring work cost is high and it is difficult to easily cope with a change in the arrangement of the manufacturing apparatus 50 described later.
[0004]
As shown in FIG. 5, a signal input device 55 having a communication signal output function 53 is attached to the manufacturing apparatus 50, and a contact signal 51 representing the operating state of the manufacturing apparatus 50 is connected to the manufacturing apparatus 50 . Many methods are used to connect the manufacturing apparatus 50 and the monitoring device 23 by means, but not only the addition of hardware but also a contact signal 51 representing the operating state of the manufacturing apparatus 50 is taken in as a communication signal. Since it is necessary to produce application software for output, it is expensive. Further, since the number of manufacturing apparatuses 50 is frequently increased and decreased and the arrangement is changed in the manufacturing factory, the manufacturing apparatus 50 and the monitoring device 23 are each time. Since it is necessary to change the wiring between the two, especially when the number of manufacturing apparatuses is large, it is difficult to cope with it.
[0005]
A newly manufactured manufacturing device designed in advance so that it can capture the operating state of the manufacturing device to be monitored in the control device of the manufacturing device and output it to the monitoring device by means of communication. In this case, since the signal input device 55 and the communication signal output function 53 can be substituted by the control device, it is necessary to newly attach the signal input device 55 having the communication signal output function 53 to the manufacturing apparatus. However, there still remains a problem that the wiring between the manufacturing apparatus 50 and the monitoring device 23 needs to be changed due to increase / decrease in the number of manufacturing apparatuses 50 and change in arrangement.
[0006]
A signal input device 55 having a communication signal output function 53 is attached to the manufacturing apparatus 50 shown in FIG. 6, a contact signal 51 representing the operating state of the manufacturing apparatus 50 is connected to this, and a wireless transmitter 54 is further attached to the wireless communication device. Although the method of connecting to the monitoring device 23 is rarely used, the adaptability to the increase / decrease in the number of manufacturing apparatuses 50 and the change in the arrangement is high, but the cost is further increased, so the monitoring of the manufacturing apparatus is simple. It is difficult to respond to the demand to do.
[0007]
Therefore, when monitoring the manufacturing apparatus, the present invention replaces the operating state of the manufacturing apparatus with the tag information of the wireless tag and extracts it wirelessly, so that the manufacturing apparatus can be manufactured at low cost and also with respect to increase / decrease in the number of manufacturing apparatuses and change of arrangement. It is an object of the present invention to realize a method that does not require a wiring change between a device and a monitoring device.
[0008]
[Means for Solving the Problems]
In order to solve the above problems, the present invention has the following features.
[0009]
Attach external power-driven wireless tags to the manufacturing device for the number of operating states that the device wants to monitor, and supply the power to the IC chip of the wireless tag using contact signals for each operating state that the device wants to monitor A monitoring method for connecting to a circuit and wirelessly monitoring the operating state of the device by returning the contact state of each wireless tag in response to a call from a reader device for the RFID tag attached in the vicinity of the device And, the RFID tag reader device attached in the vicinity of the device, in which some of the characters, numbers and symbols that can be handled as data by the wireless tag are written in advance as data on the IC chip of the wireless tag. when a call from, and if the contact is closed to return the data to the wireless tag is written in advance, if the contact is open power is supplied to the IC chip Since the wireless tag does not return data, the wireless tag is characterized in that the state of the contact, that is, the operation state of the manufacturing apparatus is replaced with the tag information of the wireless tag and transmitted to the device that monitors the operation state of the manufacturing apparatus. Monitoring method of manufacturing equipment used.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to FIGS.
[0011]
As many as the number of operating states that the manufacturing apparatus 50 wants to monitor, the external power supply type wireless tag 10 in which some of the characters, numbers, and symbols that can be handled as data in advance on the IC chip 11 are written as data. As shown in FIG. 1, the contact 51 representing the operation state of the manufacturing apparatus 50 is connected to the power supply circuit of the IC chip 11 of the wireless tag 10.
[0012]
As shown in FIG. 3, as many RFID tags readers as the number capable of communicating with all the wireless tags 10 attached to all the manufacturing apparatuses 50 to be monitored within a range where all the manufacturing apparatuses 50 to be monitored are installed. A communication antenna (hereinafter referred to as a communication antenna) 21 with a wireless tag connected to the device 22 is installed, and which communication antenna 21 communicates with the wireless tag 10 of which manufacturing apparatus 50 is determined.
[0013]
Next, a wireless tag reader device (hereinafter referred to as a reader device) 22 that controls communication with the wireless tag 10 attached to the manufacturing apparatus 50 and reads reply data from the wireless tag 10 is connected to the communication antenna 21. Then, it is possible to communicate with all the wireless tags 10 attached to all the manufacturing apparatuses 50 to be monitored from the reader device 22 via the communication antenna 21 .
[0014]
Then, the monitoring device 23 is connected to the reader device 22, and a request is made to communicate with all the wireless tags 10 attached to all the manufacturing apparatuses 50 to be monitored from the monitoring device 23 to the reader device 22 at regular intervals. And communicate with all the wireless tags 10 attached to all the manufacturing apparatuses 50 to be monitored.
[0015]
At the time of communication, the wireless tag 10 attached to the manufacturing apparatus 50 is a reader device that receives data written in advance on the IC chip 11 via the communication antenna 21 when the contact 51 representing the operating state of the manufacturing apparatus 50 is closed. However, when the contact 51 representing the operating state of the manufacturing apparatus 50 is open, no power is supplied to the IC chip 11 and nothing is returned to the reader device 22.
[0016]
When the monitoring device 23 receives the reply information from the wireless tag 10 via the reader device 22 and the monitoring device 23 returns data written in advance from the wireless tag 10. When the contact 51 is closed and nothing is returned, it can be determined that the contact 51 is open. As a result, the monitoring device 23 can identify the state represented by the contact 51, that is, the operating state of the manufacturing apparatus 50, and the manufacturing apparatus 50 is operating, stopped, abnormally stopped, abnormal cause 1, It is possible to display the operation state of the abnormality cause 2 and the abnormality cause 3 .
[0017]
Further , by storing this received information, that is, reply information from the wireless tag 10 attached to the manufacturing apparatus 50 at a fixed period, in the monitoring apparatus 23 itself or a computer connected to the monitoring apparatus 23, the manufacturing apparatus 50. In addition to displaying the current operating state, it is also possible to perform history and analysis of past operating states and create an operation report for the manufacturing apparatus 50.
[0018]
As for the communication method with the wireless tag 10, communication is performed one by one with all the wireless tags 10 attached to all the manufacturing apparatuses 50 to be monitored, that is, a reply from the wireless tag 10 designated as the communication partner is sent. A method of confirming the presence / absence and then proceeding to communication with the next wireless tag 10; a method of calling all the wireless tags 10 in the range covered by the communication antenna 21 and obtaining a reply within a predetermined time; However, in the latter case, since there are replies all at once from the wireless tag 10, it is necessary to identify from which wireless tag 10 the reply information is a reply. For this identification, a unique identification number which is possessed from the time when the wireless tag 10 itself is manufactured is returned together with data written for the purpose of transmitting the state of the contact signal 51, or all wireless tags are returned. 10 is written in advance with a unique name, number or symbol as data for the purpose of distinguishing it from other wireless tags 10, and is returned together with the written data for the purpose of transmitting the state of the contact signal 51. Is possible.
[0019]
As another embodiment 1, for the power supply to the IC chip 11 of the wireless tag 10, in addition to the common power supply from one power source shown in FIG. 1, for each IC chip 11 of the wireless tag 10 shown in FIG. 2. A power supply may be provided and supplied individually.
[0020]
As another embodiment 2, when receiving the operation state of the manufacturing apparatus 50 as the tag information of the wireless tag 10, data for the purpose of transmitting the state of the contact 51 in advance to the IC chip 11 of the wireless tag 10 is written. In addition to the device to be placed, a device capable of reading and writing to the wireless tag 10 is provided instead of the reader device 22 shown in FIG. 3. First, data is written to the wireless tag 10 via the communication antenna 21. You may read this again via
[0021]
As other embodiment 3, in addition to providing the communication antenna 21 and the reader device 22 separately, the communication antenna 21 and the reader device 22 are integrated, and all the monitoring devices to be monitored are installed in the range where all the manufacturing apparatuses 50 to be monitored are installed. It is also possible to provide as many integrated devices as the number capable of communicating with all the wireless tags 10 attached to the manufacturing apparatus 50 .
[0022]
【The invention's effect】
As described above, according to the present invention, by attaching the number of operating states to be monitored to the external power supply type wireless tag to the manufacturing apparatus, and turning on and off the power supply circuit thereof at the contact point indicating the state of the manufacturing apparatus, Since the operation status of the manufacturing device can be replaced with the tag information of the wireless tag, it can be taken out wirelessly, so it is inexpensive and between the manufacturing device and the monitoring device even if the number of manufacturing devices increases or decreases, or the layout changes. Thus, it is possible to realize a method that does not require the wiring change, and to easily monitor the operating state of the manufacturing apparatus.
[0023]
[Brief description of the drawings]
FIG. 1 is a functional configuration diagram illustrating a method of transmitting an operation state of a manufacturing apparatus to a communication antenna with a wireless tag using a wireless tag .
FIG. 2 is a diagram showing an embodiment other than FIG.
FIG. 3 is a system configuration diagram showing a method for monitoring the operating state of a manufacturing apparatus using the present invention.
FIG. 4 is a diagram showing an embodiment in the prior art (wiring up to a device for monitoring as many signal lines as the number of operating states);
FIG. 5 is a diagram showing an embodiment in the prior art (a signal input device having a communication signal output function is attached to a manufacturing apparatus and connected to a device for monitoring by communication );
FIG. 6 is a diagram showing an embodiment in the prior art (connecting to a device for monitoring by a wireless transmitter).
[Explanation of symbols]
10 External power supply driven wireless tag 11 IC chip 12 incorporated in the wireless tag Communication antenna 21 of the wireless tag built in the wireless tag 21 Communication antenna 22 with the wireless tag Reader device 23 for the wireless tag For monitoring Device 25 Wireless receiver 50 Manufacturing device 51 Contact signal 52 representing the operating state of the manufacturing device Supply power to an external power supply type wireless tag 53 Communication signal output function 54 Wireless transmitter 55 Signal input device 59 Manufacturing device and monitoring device Wiring to connect between

Claims (1)

製造装置に、外部より電源を供給することにより駆動する方式の無線タグ、すなわち無線タグ内のＩＣチップ部に外部より電源を供給することにより動作が可能となる方式の無線タグ（以下、外部電源駆動型の無線タグ、あるいは単に無線タグという）を当該装置の監視したい運転状態の数だけ取り付け、当該装置の監視したい運転状態ごとに監視したい運転状態を接点信号にて無線タグのＩＣチップの電源供給回路に接続し、当該装置の近辺に取り付けられた無線タグ用リーダー機器からの呼び出しに応じて接点の状態を各々の無線タグが返信することにより当該装置の運転状態を無線にて監視する監視方法であって、無線タグのICチップには予め無線タグがデーターとして扱うことが出来る文字、数字、記号のうち何かをデーターとして書き込んでおき、当該装置の近辺に取り付けられた無線タグ用リーダー機器から呼び出しがあった際、接点が閉の場合は無線タグが予め書き込まれたデーターを返信し、接点が開の場合はICチップに電源が供給されないため無線タグがデーターを返信しないことにより接点の状態、すなわち製造装置の運転状態を無線タグのタグ情報に置き換えて製造装置の運転状態を監視する機器へ伝達することを特徴とする無線タグを利用した製造装置の監視方法。 A wireless tag that is driven by supplying power from outside to the manufacturing apparatus , that is, a wireless tag that can operate by supplying power from the outside to the IC chip portion in the wireless tag (hereinafter referred to as external power supply). Attach as many drive-type wireless tags (or simply as wireless tags) to the number of operating states that the device wants to monitor, and use the contact signal to indicate the operating state that you want to monitor for each operating state that the device wants to monitor. Monitoring that connects to the supply circuit and wirelessly monitors the operating state of the device by returning the contact state of each wireless tag in response to a call from the RFID tag reader device attached in the vicinity of the device a method, a character that can be pre-radio tag on the IC chip of the wireless tag is treated as data, the numbers, something out of the symbol as data Is squirreled can, when there is a call from a reader device for radio tag attached to the vicinity of the device, if the contact is closed to return the data to the wireless tag is written in advance, if the contact is open IC Since the power is not supplied to the chip, the wireless tag does not send back data, so that the contact state, that is, the operating state of the manufacturing apparatus is replaced with the tag information of the wireless tag and is transmitted to the device that monitors the operating state of the manufacturing apparatus. A method for monitoring a manufacturing apparatus using a wireless tag.
JP2003090195A 2003-03-28 2003-03-28 Method for monitoring manufacturing apparatus using wireless tag Expired - Fee Related JP3837634B2 (en)

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