JPS58111552U - Loop data transmission device - Google Patents
Loop data transmission deviceInfo
- Publication number
- JPS58111552U JPS58111552U JP863482U JP863482U JPS58111552U JP S58111552 U JPS58111552 U JP S58111552U JP 863482 U JP863482 U JP 863482U JP 863482 U JP863482 U JP 863482U JP S58111552 U JPS58111552 U JP S58111552U
- Authority
- JP
- Japan
- Prior art keywords
- data
- serial
- station
- group
- serial data
- 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
- 230000005540 biological transmission Effects 0.000 title claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はループ式伝送系に適用される従来のステーショ
ンの構成を示す具体的なブロック構成図、第２図は本考
案による一実施例を示すステーションと伝送ライン監視
回路との具体的なブロック構成図である。FIG. 1 is a concrete block configuration diagram showing the configuration of a conventional station applied to a loop transmission system, and FIG. 2 is a concrete block diagram of a station and a transmission line monitoring circuit showing an embodiment of the present invention. FIG.
Claims (1)
受信レシーバ−と、シリアルデータ群をパラレルデータ
に直列並列変換する受信回路と、入力されるパラレルデ
ータ群より所望とするデータのみを取込んで機器を操作
する端末機器を含んだ制御装置と、この装置より出力さ
れるデータ群をシリアルデータに並列直列変換する送信
回路と、シリアルデータをシリアル回線側へ送信する送
信ドライバーと、前記受信回路より導びかれる信号を基
に送信ドライバーの出力側を開閉制御するスイッチとを
それぞれ具備する複数のステーションと、規定の周期で
シリアル回線よりデータを取込、み、この受信データの
″データ有り“の送信時間を検出して基準時間と比較し
、異常である旨を判定した場合のみ予じめ定められたパ
ターンに従つてステーション群を順次選択して、該選択
したステーションに遊動指令信号を送信して当該ステー
ションを選択遮断する伝送ライン監視回路とで構成した
ことを特徴とするループ状データ伝送装置。A receiving receiver receives serial data transmitted from a serial line, a receiving circuit converts serial data into parallel data, and operates the device by capturing only desired data from the input parallel data group. a control device including a terminal device to perform the above-mentioned processing; a transmitting circuit that converts a group of data outputted from this device into serial data in parallel to serial data; a transmitting driver that transmits the serial data to the serial line side; A plurality of stations are each equipped with a switch that controls the opening/closing of the output side of the transmission driver based on the signal, and the data is acquired from the serial line at a specified period, and the transmission time of "data present" of this received data is determined. It is detected and compared with the reference time, and only when it is determined that there is an abnormality, a station group is sequentially selected according to a predetermined pattern, and an idle command signal is sent to the selected station to control the station. and a transmission line monitoring circuit that selectively shuts off the data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP863482U JPS58111552U (en) | 1982-01-25 | 1982-01-25 | Loop data transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP863482U JPS58111552U (en) | 1982-01-25 | 1982-01-25 | Loop data transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58111552U true JPS58111552U (en) | 1983-07-29 |
Family
ID=30021316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP863482U Pending JPS58111552U (en) | 1982-01-25 | 1982-01-25 | Loop data transmission device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58111552U (en) |
-
1982
- 1982-01-25 JP JP863482U patent/JPS58111552U/en active Pending
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