JPS5860850A - Data transmitter - Google Patents
Data transmitterInfo
- Publication number
- JPS5860850A JPS5860850A JP15959281A JP15959281A JPS5860850A JP S5860850 A JPS5860850 A JP S5860850A JP 15959281 A JP15959281 A JP 15959281A JP 15959281 A JP15959281 A JP 15959281A JP S5860850 A JPS5860850 A JP S5860850A
- Authority
- JP
- Japan
- Prior art keywords
- speed transmission
- speed
- low
- data
- loop
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/423—Loop networks with centralised control, e.g. polling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
【発明の詳細な説明】
α）発明の技術分野
この発明は、ディジタル信号によシ主局と子局とのデー
タのや夛とシを行うようなデータ伝送装置に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION α) Technical Field of the Invention The present invention relates to a data transmission device for transmitting and transmitting data between a master station and a slave station using digital signals.
（２）従来技術
データとしてのプロセス工業量には、ゆりく〕した変化
を示す温度や、高速に変化する圧力、流量等９種々のも
のがある。まえ、場合によっては高速データ収集が必要
な場合も、低速データ収集スピードで主局と子局とのデ
ータの授受を行ってお〉、高速伝送か低速伝送かのしず
れか一方のみしか対応できず、非常に不便な面がありた
。(2) There are nine types of process industrial quantities as prior art data, such as temperature that changes slowly, pressure and flow rate that change rapidly. In some cases, even if high-speed data collection is required, data is exchanged between the master station and the slave station at a low data collection speed, and only one of high-speed or low-speed transmission can be supported. However, it was extremely inconvenient.
０）発明の目的 この発明の目的は２以上の点に鑑み、高速伝送。0) Purpose of the invention The purpose of this invention is to provide high-speed transmission in view of two or more points.
低速伝送のいずれｋも対応できるようＫしたデータ伝送
装置を提供することである。It is an object of the present invention to provide a data transmission device capable of supporting any type of low-speed transmission.
（４）発明の実施例
第１図は、この発明の一実施例を示す構成説明図である
。図において１人は伝送＠ｔｌＫよシ複数個の子局１１
９１２ｅ−、１（ｎ−１）、 Ｉｎが設けられティる高
速伝送ループ、Ｂは伝送ｗｔ２によシ複数個の子局２１
，２２．−、２（ｎ−１）＃ ２ｎが設けられている低
速伝送ループ、３は、伝送１１ｉ１ ｔｌ 、 ｔ２を
通じて高速伝送ループ人、低速伝送ループＢの各子局１
１．・・・。(4) Embodiment of the Invention FIG. 1 is an explanatory diagram showing an embodiment of the invention. In the figure, one person is transmitting @tlK and transmitting multiple slave stations 11.
912e-, 1(n-1), and In are provided in a high-speed transmission loop, and B is a plurality of slave stations 21 for transmission wt2.
, 22. -, 2(n-1) # 2n is provided in the low-speed transmission loop, 3 is the transmission 11i1 tl, t2 through the high-speed transmission loop, each slave station 1 in the low-speed transmission loop B
1. ....
２ｎとのデータの授受を行い、伝送制御を行う主局。A main station that sends and receives data to and from the 2n and controls transmission.
４は主局３で収集したデータの表示を行う表示器である
。4 is a display device for displaying data collected by the main station 3;
つまシ、高速伝送ループ人の子局１１ 、１２ 、・・
・は圧力、流量等の高速を要するデータＰ１． Ｐ２
、・・・を制御信号Ｐ１’を子局１１にディジタル信号
によシ伝送し、制御対象の制御に使用する。Tsumashi, high-speed transmission loop slave stations 11, 12,...
・ is data P1 that requires high speed such as pressure and flow rate. P2
, . . , is transmitted as a digital signal to the slave station 11 as a control signal P1', and is used to control the controlled object.
また、主局３は、同時に低速伝送ループＢの子局２１
、２２ 、・・・で収集した低速で十分な温度等のデー
タＴＩ 、 Ｔ２ 、・・・を低速でディジタル信号に
よシ伝送されて収集し２例えばデータＴＩＫ対応した制
御信号ＴＩ’を子局２１に分配、伝送し、制御対象の制
御に利用する。At the same time, the main station 3 also connects the slave station 21 of the low-speed transmission loop B.
, 22 , . . . are collected at low speed and sufficient temperature data TI , T 2 , . . . are transmitted and collected at low speed by digital signals. 21 and used for controlling the controlled object.
第２図に主局３の一実施例を示す。マイクロプロセッサ
のような中央処理装置ＣＰＵはパスラインｆｉＬを通じ
てリードオンリーメモリＲＯＭＫ記憶されたあらかじめ
定められたプログラムに従って動作し、送受信回路５１
、５２を介して伝送線ＡＩ。FIG. 2 shows an embodiment of the main station 3. A central processing unit CPU such as a microprocessor operates according to a predetermined program stored in a read-only memory ROMK via a pass line fiL, and transmits/receives circuit 51.
, 52 to the transmission line AI.
ｔ２上の子局１１．・・・と交信し、′う１ンダムアク
セスメモ！Ｊ ＲＡＭに必要なデータを一時記憶し、主
局３は子局１１．・・・とディジタル信号にてデータの
やシとりを行っている。Slave station 11 on t2. Communicate with... and get another random access memo! JRAM temporarily stores necessary data, and the main station 3 transfers the data to the slave stations 11. ...and data is transferred using digital signals.
なお高速伝送ループ、低速伝送ループはそれぞれ１ルー
プずつのものについて示し九が、必要如応じて、それ以
上設けるようにしてもよい。この場合も主局３は１個で
よい。Although one high-speed transmission loop and one low-speed transmission loop are shown in FIG. 9, more may be provided if necessary. In this case as well, only one main station 3 is required.
このように主局３は、高速、低速の伝送機能をもってい
るため、高速、低速ループのいずれとも交信可能とされ
ている。As described above, the main station 3 has high-speed and low-speed transmission functions, so it can communicate with both high-speed and low-speed loops.
（４）発明の要約
以上述べたように、この発明は、高速伝送ループと低速
伝送ループを設け、各ループの子局とのディジタル信号
によるデータ伝送の制御を１個の主局によりて行うよう
にしたデータ伝送装置である。(4) Summary of the Invention As described above, the present invention provides a high-speed transmission loop and a low-speed transmission loop, and allows one main station to control data transmission using digital signals with slave stations in each loop. This is a data transmission device that uses
（５）発明の効果
従りて、高速伝送を必要とする場合にも、低速伝送を必
要とする場合にも、同一システムで、データの果状１分
配等の伝送が可能となシ、装置の大型化を招くことなく
、簡単な構成にて、その機能の向上が図れ、各種用途に
効果的に対応できる。(5) Effects of the invention Accordingly, the system and device are capable of transmitting the entire distribution of data using the same system, regardless of whether high-speed transmission or low-speed transmission is required. The function can be improved with a simple configuration without increasing the size of the device, and it can be effectively used in various applications.
第１図、第２図は、この発明の一実施例を示す構成説明
図である。
１１ 、１２、〜１ｎ、２１，２２＋〜２ｎ・・・子局
、３・・・主局。
１１、１２・・・伝送線、Ａ・・・高速伝送ループ、Ｂ
・・・低速伝送ループ
特許出願人 株式会社 千野製作所FIGS. 1 and 2 are configuration explanatory diagrams showing one embodiment of the present invention. 11, 12, ~1n, 21, 22+~2n... slave station, 3... main station. 11, 12...Transmission line, A...High speed transmission loop, B
...low-speed transmission loop patent applicant Chino Seisakusho Co., Ltd.
Claims (1)
信号により高速伝送する高速伝送ループと。 少なくとも１個の子局を有しデータをディジタル信号に
よシ低速伝送する低速伝送ループと、これら高速伝送ル
ープおよび低速伝送ループの各子局との伝送の制御を行
う主局とを備えたことを特徴とするデータ伝送装置。[Claims] 1. A high-speed transmission loop that has at least one slave station and transmits data at high speed using digital signals. A low-speed transmission loop that has at least one slave station and transmits data at low speed as a digital signal, and a main station that controls transmission with each slave station of these high-speed transmission loops and low-speed transmission loops. A data transmission device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15959281A JPS5860850A (en) | 1981-10-06 | 1981-10-06 | Data transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15959281A JPS5860850A (en) | 1981-10-06 | 1981-10-06 | Data transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5860850A true JPS5860850A (en) | 1983-04-11 |
Family
ID=15697067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15959281A Pending JPS5860850A (en) | 1981-10-06 | 1981-10-06 | Data transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5860850A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5614747A (en) * | 1979-07-16 | 1981-02-13 | Toshiba Corp | Switchboard |
-
1981
- 1981-10-06 JP JP15959281A patent/JPS5860850A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5614747A (en) * | 1979-07-16 | 1981-02-13 | Toshiba Corp | Switchboard |
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