JPS6245250A - Communication control system - Google Patents

Communication control system

Info

Publication number
JPS6245250A
JPS6245250A JP60185288A JP18528885A JPS6245250A JP S6245250 A JPS6245250 A JP S6245250A JP 60185288 A JP60185288 A JP 60185288A JP 18528885 A JP18528885 A JP 18528885A JP S6245250 A JPS6245250 A JP S6245250A
Authority
JP
Japan
Prior art keywords
data
communication
communication control
line network
communication line
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
Application number
JP60185288A
Other languages
Japanese (ja)
Inventor
Masanori Yasuda
安田 正憲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP60185288A priority Critical patent/JPS6245250A/en
Publication of JPS6245250A publication Critical patent/JPS6245250A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To simplify a data transmission by using an HDLC procedure for the data transmission in a communication line network in a supervisory control system and converting a data in hexadecimal notation 0-F with a data processing unit. CONSTITUTION:The communication between a communication controller 2 and terminal stations 3, 4 is conducted through a communication line network 5 by using a high level data communication control HDLC procedure. The data of hexadecimal notation 0-F is used for the communication between the communication controller 2 and the data processing unit 1. The communication controller 2 converts the data formats respectively to apply the permeable data transmission.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、モータ、ゲート、電源等の複数の外部機器を
センター局からの指示によりオン/オフ制御したり、あ
るいけ前記機器の状態をセンター局に送出する監視制御
システムの通信制御装置に関する。
Detailed Description of the Invention (Industrial Application Field) The present invention is capable of controlling on/off a plurality of external devices such as motors, gates, power supplies, etc. based on instructions from a central station, or controlling the status of the devices. The present invention relates to a communication control device for a monitoring control system that sends data to a center station.

(従来技術) 従来この種の監視制御システムにおいては、同ゆ 一施設内おける装置間のデータ転送には、データの透過
性を確保する為、パラレルインタフェースによる方式が
採用されていた。
(Prior Art) Conventionally, in this type of supervisory control system, a method using a parallel interface has been adopted for data transfer between devices within the same facility in order to ensure data transparency.

(発明が解決しようとする問題点) 上述した従来のパラレルインタフェースによる方式は、
データ転送を行う装置間に特別なハードウェアが必要で
ある。特に通信制御装置は1通信回線網のインタフェー
スとパラレルインタフェース(PIO)を共存させる必
要から、一般にはミニコンピユータが使用されており、
システム全体の価格が高いという欠点があった。
(Problems to be solved by the invention) The conventional parallel interface method described above is
Special hardware is required between the devices that perform the data transfer. In particular, communication control equipment generally uses minicomputers because it is necessary to coexist with a single communication line network interface and a parallel interface (PIO).
The drawback was that the entire system was expensive.

(問題点を解決するための手段) 本発明の通信制御方式は、中央局を構成する1つの装置
であるデータ処理装置と、通信回線網の間に接続される
中央局と、前記通信回線網に接続される複数の端末局を
有する監視制御システムにおいて1通信回線網内のデー
タ転送にはハイレベルデータ通信制御(HDLC)手順
を使用し、前記データ処理装置との間は、データをすべ
て16進表示の0〜Fの間に変換することにより、装置
間のデータの透過性を実現するようにしたものである。
(Means for Solving the Problems) The communication control system of the present invention provides a data processing device that is one device constituting a central station, a central station connected between a communication line network, and a communication line network. In a supervisory control system having a plurality of terminal stations connected to the data processor, a high level data communication control (HDLC) procedure is used for data transfer within one communication line network, and all data is transferred between the data processing device and the data processing device. Transparency of data between devices is realized by converting between 0 and F in decimal notation.

(実施例) 次に、本発明について図面を参照して実施例につき説明
する。
(Example) Next, examples of the present invention will be described with reference to the drawings.

第1図は本発明の一実施例を示すブロック図である。中
央局9は、データ処理装置1と通信制御装置2より構成
され、これらの装置1.2間は通信ケーブル10Vcよ
り接続される。又1通信回線網5には通信回線6により
通信制御装置2が接続される。端末局3.4は同様にそ
れぞれ通信回線7.8により通信回線l145に接続さ
れる。
FIG. 1 is a block diagram showing one embodiment of the present invention. The central station 9 is composed of a data processing device 1 and a communication control device 2, and these devices 1.2 are connected through a communication cable 10Vc. Further, a communication control device 2 is connected to the communication line network 5 through a communication line 6. The terminal stations 3.4 are likewise each connected to the communication line l145 by a communication line 7.8.

通信制御装置2と端末局3.端末局4との通信は1通信
回線網5全通し、ハイレベルデータ通信制御手順により
行われる。第2図はデータフォーマットの一例を示した
図であり、同図(a)はパーソナルコンピュータと通信
制御装置間のデータフォーマット、同図(b)は通信回
線網のデータフォーマットを示している。ここで通信制
御装置2とデータ処理装置1との通信は、第2図(a)
のフォーマットでデータ部のみが16進表示00〜Fの
間で構成される。通信制御装置は第2図(a)から第2
図(b)へ、又同図(b)から同図(a)のフォーマッ
トにそれぞれ変換することにより、データの透過性が実
現される。
Communication control device 2 and terminal station 3. Communication with the terminal station 4 is carried out through one communication line network 5 using a high-level data communication control procedure. FIG. 2 is a diagram showing an example of a data format. FIG. 2(a) shows a data format between a personal computer and a communication control device, and FIG. 2(b) shows a data format of a communication line network. Here, the communication between the communication control device 2 and the data processing device 1 is as shown in FIG. 2(a).
In this format, only the data portion is composed of hexadecimal representations of 00 to F. The communication control device is
Transparency of data is realized by converting to the format shown in FIG. 2(b) and from FIG.

(発明の効果) 以上説明したように本発明の通信制御方式は、透過性の
データ伝送が簡単に行えることにより、通常ミニコンピ
ユータ等で行っていた処理を、安価なデータ処理装置と
通信制御装置により実現することが可能である。これに
よって従来のシステム価格が高かった監視制御システム
を安価に供給できる効果がある。
(Effects of the Invention) As explained above, the communication control method of the present invention allows transparent data transmission to be performed easily, so that processing that is normally performed using a minicomputer can be performed using an inexpensive data processing device and a communication control device. This can be realized by This has the effect of making it possible to supply a monitoring and control system, which was conventionally expensive, at a low cost.

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

第1図は本発明の一実施例を示すブロック図、第2図は
第1図の実施例のデータフォーマットの一例を示す図で
ある。 1・・・データ処理装置、  2・・・通信制御装置。 3.4・・・端末局、    5・・・通信回線網。 6.7.8・・・通信回線、 9・・・中央局、10・
・・通信ケーブル。
FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a diagram showing an example of the data format of the embodiment of FIG. 1... Data processing device, 2... Communication control device. 3.4...Terminal station, 5...Communication line network. 6.7.8...Communication line, 9...Central office, 10.
··communication cable.

Claims (1)

【特許請求の範囲】[Claims] 中央局を構成する1つの装置であるデータ処理装置と、
前記データ処理装置と通信回線網の間に接続される通信
制御装置を有する中央局と、前記通信回線網に接続され
る複数の端末局とを有する監視制御システムにおいて、
通信回線網内のデータ転送にはハイレベルデータ通信制
御手順を使用し、前記データ処理装置との間はデータを
すべて16進表示の0〜Fの間に変換することにより、
装置間のデータの透過性を実現するようにしたことを特
徴とする通信制御方式。
a data processing device that is one device that constitutes the central office;
A supervisory control system having a central station having a communication control device connected between the data processing device and a communication line network, and a plurality of terminal stations connected to the communication line network,
A high-level data communication control procedure is used for data transfer within the communication line network, and all data between the data processing device and the data processing device is converted between 0 and F in hexadecimal notation.
A communication control method characterized by realizing data transparency between devices.
JP60185288A 1985-08-23 1985-08-23 Communication control system Pending JPS6245250A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60185288A JPS6245250A (en) 1985-08-23 1985-08-23 Communication control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60185288A JPS6245250A (en) 1985-08-23 1985-08-23 Communication control system

Publications (1)

Publication Number Publication Date
JPS6245250A true JPS6245250A (en) 1987-02-27

Family

ID=16168224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60185288A Pending JPS6245250A (en) 1985-08-23 1985-08-23 Communication control system

Country Status (1)

Country Link
JP (1) JPS6245250A (en)

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