JPH0352049Y2 - - Google Patents

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Publication number
JPH0352049Y2
JPH0352049Y2 JP1985194168U JP19416885U JPH0352049Y2 JP H0352049 Y2 JPH0352049 Y2 JP H0352049Y2 JP 1985194168 U JP1985194168 U JP 1985194168U JP 19416885 U JP19416885 U JP 19416885U JP H0352049 Y2 JPH0352049 Y2 JP H0352049Y2
Authority
JP
Japan
Prior art keywords
station
type
transmission line
data
transmission
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
Application number
JP1985194168U
Other languages
Japanese (ja)
Other versions
JPS62103343U (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to JP1985194168U priority Critical patent/JPH0352049Y2/ja
Publication of JPS62103343U publication Critical patent/JPS62103343U/ja
Application granted granted Critical
Publication of JPH0352049Y2 publication Critical patent/JPH0352049Y2/ja
Expired legal-status Critical Current

Links

Description

【考案の詳細な説明】 (産業上の利用分野) 本考案は、制御局によつてデータ伝送が制御さ
れ、複数の送信局、受信局間の多重伝送が行なわ
れる多重伝送装置に関し、特に不良が発生した場
合のいずれの局が異常であるかを容易に判別でき
るようにしたものである。
[Detailed description of the invention] (Field of industrial application) The present invention relates to a multiplex transmission device in which data transmission is controlled by a control station and multiplex transmission is performed between multiple transmitting stations and receiving stations. This makes it easy to determine which station is abnormal when a problem occurs.

(従来の技術) 第2図は従来の多重伝送装置の構成図である。
図において、10は制御局11と接続局1,2,
3,…,N(局タイプは送信局又は受信局になつ
ている)とを接続する伝送路、21は伝送路10
に接続された局数Nを設定する接続局数設定レジ
スタ、22は伝送路10に局アドレス1,2,
…,Nを順次繰返して送信するアドレス信号発生
回路、23はアドレス信号発生回路22で発生し
た信号を実際に伝送路10に出力するアドレスド
ライバ、24はアドレス信号発生回路22の発生
するアドレス信号を受ける接続局タイプ設定レジ
スタで、このアドレス信号に対応した接続局タイ
プを出力する。
(Prior Art) FIG. 2 is a block diagram of a conventional multiplex transmission device.
In the figure, 10 is a control station 11, connection stations 1, 2,
3,...,N (station type is transmitting station or receiving station), 21 is transmission line 10
A connected station number setting register 22 is used to set the number N of stations connected to the transmission line 10.
. The connected station type setting register that receives the address signal outputs the connected station type corresponding to this address signal.

30は伝送路10の信号を受信するレシーバ、
31はレシーバ30の受信した信号から接続局タ
イプ信号を取出す接続局タイプ判定回路で、その
接続局のタイプが受信局か送信局かを判別する。
32はレシーバ30の受信した信号から受信デー
タ信号を取出す受信データレジスタで、この内容
を上位計算機に伝える。
30 is a receiver that receives the signal on the transmission line 10;
Reference numeral 31 denotes a connected station type determination circuit which extracts a connected station type signal from the signal received by the receiver 30, and determines whether the connected station type is a receiving station or a transmitting station.
32 is a reception data register that extracts a reception data signal from the signal received by the receiver 30, and transmits the contents to the host computer.

40は伝送路10に信号を送信するドライバ、
41は上位計算機よりのデータ信号を一時貯蔵す
る送信データレジスタで、ゲート42の開閉に応
じてこの内容をドライバ40に伝える。
40 is a driver that transmits a signal to the transmission line 10;
Reference numeral 41 denotes a transmission data register that temporarily stores data signals from the host computer, and transmits the contents to the driver 40 in response to opening and closing of the gate 42.

50は接続局タイプ判定回路31と接続局タイ
プ設定レジスタ24の内容を比較する一致判定回
路で、接続局の局タイプが一致していない場合に
はエラー信号を発生する。51は局アドレスに応
じてエラー信号が発生したか否かを貯蔵するエラ
ーレジスタである。
Reference numeral 50 denotes a match determining circuit that compares the contents of the connected station type determining circuit 31 and the connected station type setting register 24, and generates an error signal if the station types of the connected stations do not match. Reference numeral 51 denotes an error register that stores whether or not an error signal is generated according to the station address.

60は接続局タイプ設定レジスタ24、アドレ
ス信号発生回路22の出力に応じてゲート42の
開閉及び受信データレジスタ32へのデータ格納
を制御するコントロール回路である。
Reference numeral 60 denotes a control circuit that controls the opening and closing of the gate 42 and the storage of data in the received data register 32 in accordance with the outputs of the connected station type setting register 24 and the address signal generation circuit 22.

70は制御局11と上位計算機との接続を行な
う上位計算機インタフエイス回路で、接続局数レ
ジスタ21、接続局タイプ設定レジスタ24、エ
ラーレジスタ51、受信データレジスタ32及び
送信データレジスタ41が接続されている。
70 is a host computer interface circuit that connects the control station 11 and the host computer, to which a connected station number register 21, a connected station type setting register 24, an error register 51, a receive data register 32, and a send data register 41 are connected. There is.

このように構成された装置の動作を説明する。
アドレスドライバ23はアドレス信号を順次発生
する。接続局ではこのアドレス信号を受け、自局
のアドレスと一致した時に次の動作をする。送信
局(伝送路10にデータを送信するものをいう)
の場合には、データと送信タイプ信号を伝送路1
0に送信する。受信局(伝送路からデータを受信
するものをいう)の場合には、データを受信する
と共に受信タイプ信号を伝送路10に送信する。
The operation of the device configured in this way will be explained.
Address driver 23 sequentially generates address signals. The connected station receives this address signal and performs the following operations when the address matches its own address. Transmitting station (referring to the station that transmits data to the transmission path 10)
In this case, data and transmission type signals are transferred to transmission line 1.
Send to 0. In the case of a receiving station (referring to a station that receives data from a transmission path), it receives data and transmits a reception type signal to the transmission path 10.

制御局11はこの局タイプ信号と接続局タイプ
設定レジスタ24に設定されている局タイプと比
較し、不一致であればエラーレジスタ51に格納
して上位計算機に知らせる。また制御局11はア
ドレス信号の定める局タイプ設定レジスタの内容
に従いデータの送受を行なう。即ち接続局が受信
局のアドレスであれば、伝送路10に送信データ
レジスタ41に設定されたデータを送信し、接続
局が送信局のアドレスであれば、伝送路10から
データを受信し受信データレジスタ32に格納す
る。
The control station 11 compares this station type signal with the station type set in the connected station type setting register 24, and if they do not match, stores it in the error register 51 and notifies the host computer. Further, the control station 11 transmits and receives data according to the contents of the station type setting register determined by the address signal. That is, if the connected station has the address of the receiving station, it transmits the data set in the transmission data register 41 to the transmission line 10, and if the connected station has the address of the transmitting station, it receives data from the transmission line 10 and transmits the received data. Store in register 32.

(考案が解決しようとする問題点) しかしながら、一致判定回路50でエラーと判
定した場合に故障する対象は次の3種ある。
(Problems to be Solved by the Invention) However, there are three types of objects that fail when the coincidence determination circuit 50 determines an error.

(A) 制御局11のドライバ40又はレシーバ30
等 (B) 伝送路10 (C) 接続局1,2,…,N 一致判定回路50では、局タイプが一致してい
るか否か判定しているので、この3種のいずれの
対象が故障しているのか判断できない問題点があ
つた。
(A) Driver 40 or receiver 30 of control station 11
etc. (B) Transmission line 10 (C) Connected stations 1, 2, ..., N Since the coincidence judgment circuit 50 judges whether the station types match or not, it is determined whether any of these three types of objects has failed. There was a problem where it was not possible to determine whether the

本考案は不良が発生した場合に、制御局及び伝
送路と接続局のいずれが故障しているのか判断で
きる多重伝送装置を実現することを目的とする。
The object of the present invention is to realize a multiplex transmission device that can determine which of the control station, the transmission line, and the connecting station is at fault when a fault occurs.

(問題点を解決する手段) このような目的を達成する本考案は、伝送路に
つながる局のタイプを設定する局タイプ設定手段
と、当該伝送路に送信する設定データを格納する
送信データ格納手段と、当該伝送路から受信した
データを格納する受信データ格納手段と、当該伝
送路より送られてきた局タイプ信号を受信し、前
記局タイプ設定手段で設定されたタイプと同一で
あるか否かを判定する局タイプ判定手段とを備え
た多重伝送装置において、次の構成としたもので
ある。
(Means for Solving Problems) The present invention that achieves the above object includes a station type setting means for setting the type of station connected to a transmission line, and a transmission data storage means for storing setting data to be transmitted to the transmission line. , received data storage means for storing data received from the transmission line, and receiving a station type signal sent from the transmission line, and determining whether the type is the same as the type set by the station type setting means. A multiplex transmission apparatus equipped with a station type determination means for determining the station type has the following configuration.

すなわち、前記局タイプ設定手段の設定する局
タイプは送信局、受信局及びループバツク局と
し、前記ループバツク局は当該伝送路に接続され
ていない仮想的な局とし、前記局タイプ設定手段
でループバツク局と設定された局に対して通信を
する場合に、前記局タイプ判定手段の局タイプの
判定結果を無視し、送信データ格納手段に格納さ
れたデータを前記伝送路に送信し、かつ前記伝送
路のデータを格納して受信データ格納手段に格納
するような制御を行なう制御手段を設けている。
That is, the station types set by the station type setting means are a transmitting station, a receiving station, and a loopback station, the loopback station is a virtual station not connected to the transmission path, and the station type setting means sets the station type as a loopback station. When communicating with a set station, the station type determination result of the station type determination means is ignored, the data stored in the transmission data storage means is transmitted to the transmission line, and the data stored in the transmission data storage means is transmitted to the transmission line. A control means is provided for performing control such as storing data and storing it in the received data storage means.

そして、この制御手段によつてループバツクチ
エツクを行ない、自局若しくは前記伝送路に不良
があるか検出することを特徴としている。
The control means is characterized in that a loop back check is performed to detect whether there is a defect in the own station or the transmission line.

(作用) 局タイプにループバツク局を指定すると、送信
データ格納手段と受信データ手段を用いて、伝送
路及び制御局に不良があるかないかを判定でき
る。
(Operation) When a loopback station is designated as the station type, it is possible to determine whether or not there is a defect in the transmission path and control station using the transmission data storage means and the reception data means.

ループバツク局は現実には伝送路に接続するも
のではないので、制御局のみの対処によりループ
バツクチエツクができる。
Since the loopback station is not actually connected to the transmission path, the loopback check can be performed only by the control station.

(実施例) 以下図面を用いて本考案を説明する。(Example) The present invention will be explained below using the drawings.

第1図は本考案の一実施例を示す構成図であ
る。尚第1図において前記第2図と同一作用をす
るものには同一符号をつけ説明を省略する。
FIG. 1 is a block diagram showing an embodiment of the present invention. Components in FIG. 1 that have the same functions as those in FIG. 2 are given the same reference numerals and their explanations will be omitted.

図において、25は伝送路10に接続された局
数N+ループバツク局数M(普通は1個だが、複
数でもよい)を設定できる接続局数設定レジスタ
である。アドレス発生回路26は伝送路10にル
ープバツク局を含む接続局に対応したアドレス
1,2,…,N+Mを順次発生し、以下これを繰
返す。ここにループバツク局とは仮想的な局であ
つて、伝送路10に対して制御局11が出した信
号を制御局11がそのまま読返すように動作する
局をいう。27はアドレス信号に対応した接続局
タイプを設定する接続局タイプ設定レジスタで、
受信局、送信局又はループバツク局の別を記憶す
る。
In the figure, numeral 25 is a connected station number setting register that can set the number of stations connected to the transmission line 10 + the number of loopback stations M (usually one, but it may be more than one). The address generation circuit 26 sequentially generates addresses 1, 2, . Here, the loopback station is a virtual station that operates so that the control station 11 reads back the signal that the control station 11 outputs to the transmission line 10 as it is. 27 is a connection station type setting register for setting the connection station type corresponding to the address signal;
Stores whether the station is a receiving station, a transmitting station, or a loopback station.

52はアドレスがループバツク局を指定してい
るかを判定するループバツク局判定回路で、ルー
プバツク局と判定した場合にはゲート53を操作
して一致判定回路50のエラー信号がエラーレジ
スタ51に伝わらないようにし、ループバツク局
でない場合には一致判定回路50のエラー信号を
そのままエラーレジスタ51に伝える。
52 is a loopback station determination circuit that determines whether the address specifies a loopback station; if it is determined that the address is a loopback station, a gate 53 is operated to prevent the error signal from the coincidence determination circuit 50 from being transmitted to the error register 51; , if the station is not a loopback station, the error signal from the match determination circuit 50 is transmitted as is to the error register 51.

ループバツク局は仮想的なものなので、ループ
バツク局を指定するアドレス信号を伝送路に送つ
てもアンサーバツクがなく、常に一致判定回路5
0でエラー信号を発生するので、これを防止する
ため一致判定回路50の動作を一時的にマスクし
ている。
Since the loopback station is virtual, there is no answer back even if an address signal specifying the loopback station is sent to the transmission line, and the match judgment circuit 5 always
Since an error signal is generated when the value is 0, the operation of the match determination circuit 50 is temporarily masked to prevent this.

61は接続局タイプ設定レジスタ27、アドレ
ス信号発生回路26及びゲート53の出力に応じ
てゲート42の開閉及び受信データレジスタ32
へのデータ格納を制御するコントロール回路で、
送信局とループバツク局の場合にはゲート42を
開け、受信局ではゲート42を閉じると共に、ル
ープバツク局及び受信局の場合には受信データレ
ジスタ32へデータを格納する。
Reference numeral 61 indicates the opening/closing of the gate 42 according to the outputs of the connected station type setting register 27, the address signal generation circuit 26, and the gate 53, and the reception data register 32.
A control circuit that controls data storage in
In the case of a transmitting station and a loopback station, the gate 42 is opened, and in the case of a receiving station, the gate 42 is closed, and data is stored in the received data register 32 in the case of a loopback station and a receiving station.

このように構成された装置の動作を次に説明す
る。アドレスが送信局又は受信局を指していると
きは従来装置と同一の動作をする。
The operation of the device configured in this manner will be described next. When the address points to a transmitting station or a receiving station, the operation is the same as that of the conventional device.

アドレスがループバツク局を指しているとき
は、ゲート53を閉じ、局タイプの不一致による
エラー信号をエラーレジスタ51に伝えず局タイ
プ判定結果を無視する。次に、送信データレジス
タ41に格納されたデータを伝送路10へ送信す
ると共に伝送路10からデータを受信し受信デー
タレジスタ32に格納する。送信及び受信データ
レジスタ41,32のデータを比較することによ
り、制御局11を含む伝送路10に不良があるか
否かを判定するループバツクチエツクを行なう。
When the address points to a loopback station, the gate 53 is closed, an error signal due to a mismatch in station types is not transmitted to the error register 51, and the station type determination result is ignored. Next, the data stored in the transmission data register 41 is transmitted to the transmission path 10, and the data is received from the transmission path 10 and stored in the reception data register 32. By comparing the data in the transmit and receive data registers 41 and 32, a loop back check is performed to determine whether there is a defect in the transmission line 10 including the control station 11.

尚、上記実施例において、上位計算機インタフ
エイス回路70に接続されたレジスタ25,2
7,32,41,51を用いているが、これと同
等の機能を有するものであればハードで構成して
もよく、またμプロセツサを用いてソフトで構成
してもよい。
In the above embodiment, the registers 25 and 2 connected to the host computer interface circuit 70
7, 32, 41, and 51 are used, but it may be constructed by hardware as long as it has functions equivalent to these, or it may be constructed by software using a μ processor.

(考案の効果) 以上説明したように本考案によれば、ループバ
ツク局を指定したときはループバツクチエツクを
行ない制御局11を含む伝送路10に生じる異常
を検出するようにしたので、エラーが生じた場合
に故障の対象が接続局なのか制御局11を含む伝
送路10にあるのか容易に判別できる。
(Effects of the invention) As explained above, according to the invention, when a loopback station is specified, a loopback check is performed to detect abnormalities occurring in the transmission line 10 including the control station 11, so that errors may occur. In this case, it can be easily determined whether the failure is in the connected station or in the transmission line 10 including the control station 11.

またループバツク局は現実には伝送路に接続さ
れていないので、接続局を新規に伝送路に接続す
る必要がなく、ループバツクチエツク機能を簡単
に実現することができる。
Furthermore, since the loopback station is not actually connected to the transmission line, there is no need to newly connect a connected station to the transmission line, and the loopback check function can be easily realized.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案の一実施例を示す構成図、第2
図は従来装置の構成図である。 27……局タイプ設定手段(局タイプ設定レジ
スタ)、32……受信データ格納手段(受信デー
タレジスタ)、41……送信データ格納手段(送
信データレジスタ)、50……局タイプ判定手段
(一致判定回路)、52……制御手段(ループバツ
ク局判定回路)、61……制御手段(コントロー
ル回路)。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a configuration diagram of a conventional device. 27...Station type setting means (station type setting register), 32...Reception data storage means (reception data register), 41...Transmission data storage means (transmission data register), 50...Station type determination means (matching determination) circuit), 52... control means (loopback station determination circuit), 61... control means (control circuit).

Claims (1)

【実用新案登録請求の範囲】 伝送路につながる局のタイプを設定する局タイ
プ設定手段と、 当該伝送路に送信する設定データを格納する送
信データ格納手段と、 当該伝送路から受信したデータを格納する受信
データ格納手段と、 当該伝送路より送られてきた局タイプ信号を受信
し、前記局タイプ設定手段で設定されたタイプと
同一であるか否かを判定する局タイプ判定手段
と、 を備えた多重伝送装置において、 前記局タイプ設定手段の設定する局タイプは送
信局、受信局及びループバツク局とし、 前記ループバツク局は当該伝送路に接続されて
いない仮想的な局とし、 前記局タイプ設定手段でループバツク局と設定
された局に対して通信をする場合に、前記局タイ
プ判定手段の局タイプの判定結果を無視し、送信
データ格納手段に格納されたデータを前記伝送路
に送信し、かつ前記伝送路のデータを格納して受
信データ格納手段に格納するような制御を行なう
制御手段を設け、 この制御手段によつてループバツクチエツクを
行ない、自局若しくは前記伝送路に不良があるか
検出することを特徴とする多重伝送装置。
[Claims for Utility Model Registration] Station type setting means for setting the type of station connected to a transmission line; transmission data storage means for storing setting data to be sent to the transmission line; and storage for data received from the transmission line. and station type determining means for receiving the station type signal sent from the transmission line and determining whether the type is the same as the type set by the station type setting means. In the multiplex transmission device, the station types set by the station type setting means are a transmitting station, a receiving station, and a loopback station, the loopback station is a virtual station not connected to the transmission path, and the station type setting means When communicating with a station set as a loopback station, the station type determination result of the station type determination means is ignored and the data stored in the transmission data storage means is transmitted to the transmission path, and A control means is provided for performing control such as storing the data on the transmission line and storing it in the received data storage means, and the control means performs a loop back check to detect whether there is a defect in the own station or the transmission line. A multiplex transmission device characterized by:
JP1985194168U 1985-12-17 1985-12-17 Expired JPH0352049Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985194168U JPH0352049Y2 (en) 1985-12-17 1985-12-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985194168U JPH0352049Y2 (en) 1985-12-17 1985-12-17

Publications (2)

Publication Number Publication Date
JPS62103343U JPS62103343U (en) 1987-07-01
JPH0352049Y2 true JPH0352049Y2 (en) 1991-11-11

Family

ID=31150886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985194168U Expired JPH0352049Y2 (en) 1985-12-17 1985-12-17

Country Status (1)

Country Link
JP (1) JPH0352049Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53132953A (en) * 1977-04-25 1978-11-20 Nec Corp Detection system for trouble of signal bus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57118454U (en) * 1981-01-13 1982-07-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53132953A (en) * 1977-04-25 1978-11-20 Nec Corp Detection system for trouble of signal bus

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JPS62103343U (en) 1987-07-01

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