JPH055418B2 - - Google Patents
Info
- Publication number
- JPH055418B2 JPH055418B2 JP60198757A JP19875785A JPH055418B2 JP H055418 B2 JPH055418 B2 JP H055418B2 JP 60198757 A JP60198757 A JP 60198757A JP 19875785 A JP19875785 A JP 19875785A JP H055418 B2 JPH055418 B2 JP H055418B2
- Authority
- JP
- Japan
- Prior art keywords
- data transfer
- transmission permission
- permission signal
- receiving
- signal
- 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.)
- Expired - Lifetime
Links
- 238000012546 transfer Methods 0.000 claims description 53
- 230000005540 biological transmission Effects 0.000 claims description 39
- 238000012806 monitoring device Methods 0.000 claims description 32
- 208000033748 Device issues Diseases 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 101100001471 Schizosaccharomyces pombe (strain 972 / ATCC 24843) alm1 gene Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Time-Division Multiplex Systems (AREA)
- Small-Scale Networks (AREA)
- Communication Control (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はデータ転送監視装置に関し、特にハン
ドシエーク型データ転送における障害の発生を監
視するデータ転送監視装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a data transfer monitoring device, and more particularly to a data transfer monitoring device that monitors the occurrence of a failure in handshake type data transfer.
従来この種のデータ転送監視装置の第１の例
は、データ転送の送信側装置が受信側装置へ向け
て受信要求信号を出力してから受信側装置が送信
側装置へ送信許可信号を送信するまでの時間を監
視し、その時間が所定の時間を越えたときに警報
信号を出力するものであつた。
A first example of a conventional data transfer monitoring device of this type is that a data transfer transmitting device outputs a reception request signal to a receiving device, and then the receiving device transmits a transmission permission signal to the transmitting device. The device monitors the time until the end of the test and outputs an alarm signal when the time exceeds a predetermined time.
また、従来のデータ転送監視装置の第２の例で
は、送信側装置から受信要求信号が出し続けられ
る時間を監視し、その時間が所定の時間を越えた
時に警報信号を出力するものであつた。 In addition, the second example of the conventional data transfer monitoring device monitors the amount of time that the sending device continues to issue a reception request signal, and outputs an alarm signal when that time exceeds a predetermined time. .
更に、従来のデータ転送監視装置の第３の例で
は、上記第２の例において、警報信号の出力によ
つて強制的に受信要求信号を無効にするものであ
つた。 Furthermore, in the third example of the conventional data transfer monitoring device, the reception request signal is forcibly invalidated by outputting an alarm signal in the second example.
しかしながら、上記従来のいずれのデータ転送
監視装置においても、同時通報転送（１台の送信
装置が複数の受信装置に対して同時に行なうデー
タ転送）の際には、送信側装置は全ての受信側装
置の送信許可信号が揃わないとデータ転送を開始
できないので、一部の受信側装置の障害で正常な
受信側装置への転送も行なわれなくなるという欠
点があつた。
However, in any of the conventional data transfer monitoring devices mentioned above, in the case of simultaneous notification transfer (data transfer performed by one transmitting device to multiple receiving devices at the same time), the transmitting device can monitor all the receiving devices. Since data transfer cannot be started until all transmission permission signals are received, there is a drawback that if some receiving devices fail, data cannot be transferred to a normal receiving device.
本発明は上述の点に鑑みてなされたもので、従
来のデータ転送監視装置の同時通報転送時におけ
る一部受信側装置の障害による全転送の停止とい
う欠点を除去すると共に、障害箇所の特定を容易
にして信頼度の高いデータ転送系を提供すること
にある。 The present invention has been made in view of the above-mentioned points, and eliminates the drawback of a conventional data transfer monitoring device that stops all transfers due to a failure in some receiving side devices when transmitting simultaneous notifications, and also makes it possible to identify the location of the failure. An object of the present invention is to provide an easy and highly reliable data transfer system.
上記問題点を解決するため本発明は、データ転
送の送信側装置から受信側装置へ受信要求信号が
送信されてから一定時間以内に受信側装置が送信
側装置に向けて送信許可信号を出力しないことを
検出して警報信号を出力する応答時間監視回路
と、該応答時間監視回路から警報信号が出力され
ている間、前記受信側装置に代わつて送信許可信
号を出力する送信許可信号出力回路とを設けてデ
ータ転送監視装置を構成した。
In order to solve the above problems, the present invention provides that the receiving device does not output a transmission permission signal to the transmitting device within a certain period of time after the receiving request signal is sent from the transmitting device to the receiving device in data transfer. a response time monitoring circuit that detects this and outputs an alarm signal; and a transmission permission signal output circuit that outputs a transmission permission signal on behalf of the receiving device while the response time monitoring circuit outputs the alarm signal. A data transfer monitoring device was constructed by providing the following.
データ転送監視装置を上記の如く構成すること
により、データ転送の受信側装置の障害を検出し
て警報信号を出力すると共に、障害を発生した受
信側装置に代わつて送信許可信号を送信側装置へ
出力するので送信側装置の出力処理を停止させな
いで済みシステム全体における機能停止を最小限
に抑えることが可能となる。
By configuring the data transfer monitoring device as described above, it detects a failure in the data transfer receiving device and outputs an alarm signal, and also sends a transmission permission signal to the transmitting device on behalf of the receiving device that has experienced the failure. Since the data is output, there is no need to stop the output processing of the sending device, and it is possible to minimize the outage of the entire system.
以下、本発明の一実施例を図面を用いて説明す
る。
An embodiment of the present invention will be described below with reference to the drawings.
第１図は本発明に係るデータ転送監視装置の構
成を示すブロツク図である。図中、３はデータ転
送の送信側装置から受信側装置へ受信要求信号が
送信されてから一定時間以内に受信側装置が送信
側装置に向けて送信許可信号を出力しないことを
検出して警報信号を出力する応答時間監視回路、
５は該応答時間監視回路３から警報信号が出力さ
れている間、前記受信側装置に代わつて送信許可
信号を出力する送信許可信号出力回路である。送
信側装置からの受信要求信号が入力する受信要求
信号入力端子１は、応答時間監視回路３の第１の
入力端ａに接続され、受信側装置からの送信許可
信号が入力する送信許可信号入力端子２は応答時
間監視回路３の第２の入力端ｂに接続されると共
に、送信許可信号出力回路５の入力端ａに接続さ
れる。応答時間監視回路３の出力端ｃは警報信号
を出力する警報信号出力端子４に接続されると共
に、送信許可信号出力回路５の入力端ｂに接続さ
れる。送信許可信号出力回路５の出力端ｃは、送
信許可信号を出力する送信許可信号出力端子６に
接続される。 FIG. 1 is a block diagram showing the configuration of a data transfer monitoring device according to the present invention. In the figure, 3 indicates an alarm when it is detected that the receiving device does not output a transmission permission signal to the transmitting device within a certain period of time after the receiving request signal is sent from the transmitting device to the receiving device during data transfer. response time monitoring circuit that outputs a signal;
Reference numeral 5 denotes a transmission permission signal output circuit that outputs a transmission permission signal on behalf of the receiving side device while the alarm signal is being output from the response time monitoring circuit 3. A reception request signal input terminal 1 to which a reception request signal from a transmitting device is input is connected to a first input terminal a of the response time monitoring circuit 3, and is a transmission permission signal input terminal to which a transmission permission signal from a receiving device is input. Terminal 2 is connected to a second input terminal b of response time monitoring circuit 3, and is also connected to input terminal a of transmission permission signal output circuit 5. An output terminal c of the response time monitoring circuit 3 is connected to an alarm signal output terminal 4 for outputting an alarm signal, and is also connected to an input terminal b of the transmission permission signal output circuit 5. An output terminal c of the transmission permission signal output circuit 5 is connected to a transmission permission signal output terminal 6 that outputs a transmission permission signal.
第２図は第１図のデータ転送監視装置を用いる
データ転送システムの構成を示すブロツク図であ
る。第２図に示すようにデータ転送システムは、
送信側装置１０、受信側装置（No.１）１１−１及
び受信側装置（No.２）１１−２で構成され、送信
側装置１０と受信側装置（No.１）１１−１との間
に本発明のデータ転送監視装置１２−１が接続さ
れ、送信側装置１０と受信側装置（No.２）１１−
２との間に本発明のデータ転送監視装置１２−２
が接続されている。 FIG. 2 is a block diagram showing the configuration of a data transfer system using the data transfer monitoring device of FIG. 1. As shown in Figure 2, the data transfer system is
It is composed of a sending device 10, a receiving device (No. 1) 11-1, and a receiving device (No. 2) 11-2, and the communication between the sending device 10 and the receiving device (No. 1) 11-1 is A data transfer monitoring device 12-1 of the present invention is connected between the sending device 10 and the receiving device (No. 2) 11-.
data transfer monitoring device 12-2 of the present invention between
is connected.
送信側装置１０からの受信要求信号REQは受
信側装置（No.１）１１−１と受信側装置（No.２）
１１−２とデータ転送監視装置１２−１の端子１
とデータ転送監視装置１２−２の端子１に接続さ
れる。受信側装置（No.１）１１−１からの送信許
可信号READY１はデータ転送監視装置１２−１
の端子２に接続され、受信側装置（No.２）１１−
２からの送信許可信号READY２はデータ転送監
視装置１２−２の端子２に接続されている。デー
タ転送監視装置１２−１及びデータ転送監視装置
１２−２のそれぞれの端子６からの送信許可信号
READY１及び送信許可信号READY２はAND
回路１３を通つて送信側装置１０に接続されてい
る。 The reception request signal REQ from the sending device 10 is sent to the receiving device (No. 1) 11-1 and the receiving device (No. 2).
11-2 and terminal 1 of data transfer monitoring device 12-1
and is connected to terminal 1 of data transfer monitoring device 12-2. The transmission permission signal READY1 from the receiving side device (No. 1) 11-1 is sent to the data transfer monitoring device 12-1.
is connected to terminal 2 of the receiving side device (No. 2) 11-
The transmission permission signal READY2 from the data transfer monitoring device 12-2 is connected to the terminal 2 of the data transfer monitoring device 12-2. Transmission permission signal from each terminal 6 of data transfer monitoring device 12-1 and data transfer monitoring device 12-2
READY1 and transmission permission signal READY2 are AND
It is connected to the transmitter device 10 through a circuit 13 .
上記第１図に示す構成のデータ転送監視装置及
び第２図に示すデータ転送システムにおいて、先
ずデータ転送監視装置１２−１及びデータ転送監
視装置１２−２のそれぞれ受信要求信号入力端子
１に送信側装置１０からの受信要求信号REQが
入力されると応答時間監視回路３は時間計測を開
始し、所定の時間以内に送信許可信号入力端子２
に受信側装置（No.１）１１−１及び受信側装置
（No.２）１１−２からの送信許可信号READY１
及び送信許可信号READY２が入力されない場合
に警報信号ALM１又はALM２を警報信号出力端
子４を経由して送信側装置１０に出力する。デー
タ転送監視装置１２−１及びデータ転送監視装置
１２−２のそれぞれの送信許可信号出力回路５は
警報信号が無い時は送信許可信号出力端子６に送
信許可信号入力端子２より入力されるデータをそ
のまま出力するが、警報信号が発せられていると
きは送信許可信号出力端子６に対して内部で発生
した送信許可信号を出力する。 In the data transfer monitoring device having the configuration shown in FIG. 1 and the data transfer system shown in FIG. When the reception request signal REQ from the device 10 is input, the response time monitoring circuit 3 starts time measurement, and sends the transmission permission signal input terminal 2 within a predetermined time.
A transmission permission signal READY1 is sent from the receiving side device (No. 1) 11-1 and the receiving side device (No. 2) 11-2.
And when the transmission permission signal READY2 is not input, the alarm signal ALM1 or ALM2 is outputted to the transmitting side device 10 via the alarm signal output terminal 4. The transmission permission signal output circuit 5 of each of the data transfer monitoring device 12-1 and the data transfer monitoring device 12-2 outputs the data input from the transmission permission signal input terminal 2 to the transmission permission signal output terminal 6 when there is no alarm signal. It is output as is, but when an alarm signal is being issued, an internally generated transmission permission signal is output to the transmission permission signal output terminal 6.
第３図はデータ転送監視装置の動作を説明する
ためのタイミングチヤートであり、第３図ａは正
常な場合、同図ｂは異常な場合を示す。また、
REQは受信要求信号、READYは送信許可信号、
ALMは警報信号、DATAは転送データを示し、
（送）は送信側装置の出力、（受）は受信側装置の
出力、（監）はデータ転送監視装置の出力を示す。 FIG. 3 is a timing chart for explaining the operation of the data transfer monitoring device. FIG. 3a shows a normal case, and FIG. 3b shows an abnormal case. Also,
REQ is a reception request signal, READY is a transmission permission signal,
ALM indicates an alarm signal, DATA indicates transfer data,
(Send) indicates the output of the sending device, (Receive) indicates the output of the receiving device, and (Monitor) indicates the output of the data transfer monitoring device.
応答時間監視回路３は送信側装置１０からの受
信要求信号REQを受信してから受信側装置１１
−１，１１−２からの送信許可信号READYの到
達時間t1を監視し、送信許可信号READYが所定
時間以上t2たつても到達しない場合、応答時間監
視回路３は警報信号ALMを出力すると同時に、
送信許可信号出力回路５は送信許可信号READY
を送信側装置に出力する。 The response time monitoring circuit 3 receives the reception request signal REQ from the transmitting device 10 and then transmits the response time to the receiving device 11.
The response time monitoring circuit 3 monitors the arrival time t1 of the transmission permission signal READY from -1 and 11-2, and if the transmission permission signal READY does not arrive even after a predetermined time t2, the response time monitoring circuit 3 outputs an alarm signal ALM, and at the same time,
The transmission permission signal output circuit 5 outputs the transmission permission signal READY.
is output to the sending device.
以上、上記実施例によれば、データ転送監視装
置がデータ転送の受信側装置の障害を検出して警
報信号出力端子４より警報信号を出力すると共
に、障害が生じた受信側装置に代わつて送信許可
信号を送信許可信号出力端子６から送信側装置へ
出力するので、送信側装置の出力処理を停止させ
ないで済み、システム全体における機能停止を最
小限に抑えることができる。 As described above, according to the embodiment described above, the data transfer monitoring device detects a failure in the data transfer receiving side device and outputs an alarm signal from the alarm signal output terminal 4, and also transmits the alarm signal on behalf of the receiving side device where the failure has occurred. Since the permission signal is output from the transmission permission signal output terminal 6 to the sending device, there is no need to stop the output processing of the sending device, and it is possible to minimize the outage of the entire system.
以上説明したように本発明によれば、データ転
送監視装置がデータ転送の受信側装置の障害を検
出して警報信号を出力すると共に、障害を発生し
た受信側装置に代わつて送信許可信号を送信側装
置へ出力するので送信側装置の出力処理を停止さ
せないで済みシステム全体における機能停止を最
小限に抑えることが可能となる。また、多重冗長
系を有するシステムのデータ転送装置に応用すれ
ばシステム全体の機能を縮小することなく処理が
継続できるので、システム全体の信頼度の向上が
期待できる等の優れた効果が得られる。
As described above, according to the present invention, the data transfer monitoring device detects a failure in the receiving side device of data transfer and outputs an alarm signal, and also transmits a transmission permission signal on behalf of the receiving side device where the failure has occurred. Since it is output to the side device, there is no need to stop the output processing of the sending side device, and it is possible to minimize the outage of the entire system. Further, if applied to a data transfer device of a system having a multiple redundant system, processing can be continued without reducing the functions of the entire system, and excellent effects such as improved reliability of the entire system can be obtained.
第１図は本発明に係るデータ転送監視装置の構
成を示すブロツク図、第２図は本発明に係るデー
タ転送監視装置を用いるデータ転送システムの構
成を示すブロツク図、第３図は本発明に係るデー
タ転送監視装置の動作を説明するためのタイミン
グチヤートである。
図中、３……応答時間監視回路、５……送信許
可信号出力回路。
FIG. 1 is a block diagram showing the configuration of a data transfer monitoring device according to the present invention, FIG. 2 is a block diagram showing the configuration of a data transfer system using the data transfer monitoring device according to the present invention, and FIG. 3 is a block diagram showing the configuration of a data transfer monitoring device according to the present invention. 2 is a timing chart for explaining the operation of the data transfer monitoring device. In the figure, 3...response time monitoring circuit, 5... transmission permission signal output circuit.
Claims (1)
具備し、送信側装置から受信側装置に受信要求信
号を送信し、受信側装置からこの受信要求信号に
対する送信許可信号を受けて全受信側装置からの
送信許可信号があつた時に同時に前記複数受信側
装置にデータ転送を行なうデータ転送システムに
おいて、 前記送信側装置から受信側装置へ受信要求信号
を送信されてから一定時間以内に受信側装置が送
信側装置に向けて送信許可信号を出力しないこと
を検出して警報信号を出力する回路と、該回路か
ら警報信号が出力されている間前記受信側装置に
代わつて送信許可信号を出力する回路とを具備す
ることを特徴とするデータ転送監視装置。[Scope of Claims] 1. A transmitting device and a plurality of receiving devices for data transfer are provided, and the transmitting device transmits a reception request signal to the receiving device, and the receiving device issues a transmission permission signal in response to the reception request signal. In a data transfer system that simultaneously transfers data to the plurality of receiving devices when transmission permission signals are received from all the receiving devices, a certain period of time has elapsed since the sending device sent a reception request signal to the receiving device. a circuit that detects that the receiving device does not output a transmission permission signal to the transmitting device within a period of time and outputs an alarm signal; and a circuit that transmits on behalf of the receiving device while the alarm signal is output from the circuit. A data transfer monitoring device comprising: a circuit that outputs a permission signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60198757A JPS6259435A (en) | 1985-09-09 | 1985-09-09 | Data transfer supervisory equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60198757A JPS6259435A (en) | 1985-09-09 | 1985-09-09 | Data transfer supervisory equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6259435A JPS6259435A (en) | 1987-03-16 |
| JPH055418B2 true JPH055418B2 (en) | 1993-01-22 |
Family
ID=16396448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60198757A Granted JPS6259435A (en) | 1985-09-09 | 1985-09-09 | Data transfer supervisory equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6259435A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04117749A (en) * | 1990-09-06 | 1992-04-17 | Nippon Telegr & Teleph Corp <Ntt> | Data transmission system |
| JPH05225082A (en) * | 1992-02-14 | 1993-09-03 | Nec Corp | File transmission system |
| JP2723065B2 (en) * | 1995-01-19 | 1998-03-09 | 日本電気株式会社 | Communications system |
| JP2002336513A (en) * | 2001-05-18 | 2002-11-26 | Heiwa Corp | Game machine with plural control boards and interfacing method therefor |
-
1985
- 1985-09-09 JP JP60198757A patent/JPS6259435A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6259435A (en) | 1987-03-16 |
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