JP2008109417A - Transmission information conversion system of remote monitoring/control system - Google Patents

Transmission information conversion system of remote monitoring/control system Download PDF

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JP2008109417A
JP2008109417A JP2006290582A JP2006290582A JP2008109417A JP 2008109417 A JP2008109417 A JP 2008109417A JP 2006290582 A JP2006290582 A JP 2006290582A JP 2006290582 A JP2006290582 A JP 2006290582A JP 2008109417 A JP2008109417 A JP 2008109417A
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transmission
information
station
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master station
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Kenichi Ito
憲一 伊藤
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Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
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Meidensha Electric Manufacturing Co Ltd
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<P>PROBLEM TO BE SOLVED: To facilitate development and the design of a remote monitoring/controlling system and to flexibly cope with a change in specifications of the existing system. <P>SOLUTION: In the monitoring/controlling system in which transmission of monitoring/controlling information between a master station system 1 and a slave station 2 is made a cyclic data transmission system or an HDLC transmission system, when the master station system is updated to an information transmission system based on an IP transmission system, a transmission information converter 1A is mounted in the master station system, information is transmitted to a host system in the master station system by the IP transmission system and is transmitted to the host system confronting function part 2B in the slave station by the cyclic data transmission system or by the HDLC transmission system. When the slave station is updated to the IP transmission system, a transmission information converter is mounted in the slave station when the master station system and the slave station are collectively updated to the IP transmission system. The transmission information converter has a means for transmitting sequence information by the IP transmission system. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、遠方監視制御システムに係り、特に親局と子局における伝送情報の変換方式に関するものである。   The present invention relates to a remote monitoring control system, and more particularly to a transmission information conversion method in a master station and a slave station.

遠方監視制御システムは、それを構築する装置を大別すると、図５に基本構成を示すように、中央監視室に設備される集中監視制御装置親局（以下、親局システム）１と、監視制御対象機器（以下、被制御機器）３の近くに設備される遠方監視制御装置子局（以下、子局）２がある。   The remote monitoring and control system is roughly divided into the devices that construct the remote monitoring control system, as shown in FIG. 5, a central monitoring control device master station (hereinafter referred to as a parent station system) 1 installed in the central monitoring room, There is a remote monitoring control device slave station (hereinafter referred to as a slave station) 2 installed near a control target device (hereinafter referred to as a controlled device) 3.

子局２は、被制御機器３における各種計測情報と状態情報を監視情報として入出力機能部２Ａで収集し、この監視情報を上位対向機能部２Ｂで伝送方式に合わせてデータ変換し、親局システム１に上り情報として伝送する。親局システム１は子局２からの監視情報および監視員による操作、運用計画等に応じて生成する制御情報を伝送方式に合わせてデータ変換し、子局２の上位対向機能部２Ｂに下り情報として伝送する。上位対向機能部２Ｂは、制御情報を入出力機能部２Ａに転送し、入出力機能部２Ａが制御情報に従って被制御機器３の選択と制御を行う。   The slave station 2 collects various measurement information and status information in the controlled device 3 as monitoring information in the input / output function unit 2A, converts the monitoring information into data in accordance with the transmission method in the upper opposing function unit 2B, It is transmitted to the system 1 as upstream information. The master station system 1 converts the monitoring information from the slave station 2 and the control information generated according to the operation by the supervisor, the operation plan, etc., in accordance with the transmission method, and transmits the downlink information to the upper opposite function unit 2B of the slave station 2 As transmitted. The upper opposing function unit 2B transfers control information to the input / output function unit 2A, and the input / output function unit 2A selects and controls the controlled device 3 according to the control information.

親局システム１と子局２の情報伝送方式には、社団法人電気協同研究会で推奨されるサイクリックデータ伝送方式（ＣＤＴ）やＨＤＬＣ伝送方式が既存のシステムに多く採用されており、最近ではＩＰ伝送方式とする場合もある。これら伝送方式は、遠方監視制御システムの規模や形態別、さらには子局や被制御機器の設備構成別にそれぞれ適合した方式のものが採用される。また、各伝送方式に対応した情報伝送を得るため、親局システム、子局のそれぞれでハードウェア開発、ソフトウェア開発を行い、製品ラインナップを更新している。   Cyclic data transmission method (CDT) and HDLC transmission methods recommended by the Japan Electric Cooperative Research Association are widely used in existing systems as information transmission methods for the master station system 1 and the slave station 2. In some cases, an IP transmission method is used. As these transmission methods, those adapted to the scale and form of the remote monitoring and control system and also to the equipment configuration of the slave station and the controlled device are adopted. In addition, in order to obtain information transmission corresponding to each transmission method, hardware development and software development are performed in each of the master station system and the slave station, and the product lineup is updated.

なお、親局システムおよび子局は、それらに必要な機能を複数のコンピュータで機能分担するシステムもある。例えば、子局２における上位対向機能部２Ｂによる情報伝送変換機能と入出力機能部２Ａによる監視制御情報の入出力機能をそれぞれ専用のコンピュータとソフトウェアで実現し、コンピュータ間はバス結合で一体に実装した構成とする（例えば、特許文献１参照）。
特開平８−２０５２４８号公報 There are also systems in which the master station system and the slave stations share the functions necessary for them with a plurality of computers. For example, in the slave station 2, the information transmission conversion function by the higher-level opposing function unit 2B and the input / output function of the monitoring control information by the input / output function unit 2A are realized by a dedicated computer and software, respectively, and the computers are integrated by bus connection. (See, for example, Patent Document 1).
JP-A-8-205248

前記のように、親局システムと子局の情報伝送には、サイクリックデータ伝送方式、ＨＤＬＣ伝送方式が多く採用されており、これら既存のシステムの一部をＩＰ伝送方式に変更する場合には、親局システム、子局別にハードウェア開発、ソフトウェア開発を行い対応するのでは、効率の悪い開発、設計、変更になるし、これらに必要なコストも高騰する。   As described above, the cyclic data transmission method and the HDLC transmission method are often used for information transmission between the master station system and the slave station, and in the case of changing a part of these existing systems to the IP transmission method. If hardware development and software development are dealt with according to the master station system and slave stations, the development, design, and change will be inefficient, and the cost required for these will also rise.

また、開発成果物も似て非なるものが散在し、装置設計が複雑化し、保守費用も非効率的な状況になる。   In addition, similar development products are scattered, the device design is complicated, and maintenance costs are inefficient.

また、子局の上位対向機能部と入出力機能部は固有のバスなどで接続され、ハードウェア的にも、ソフトウェア機能的にも密結合のものが多く、機能、性能、目標原価などによって入出力機能部の仕様を変更したい場合に柔軟に対応できず、上位対向部を含めて機種開発に大きな投資が必要となる。   In addition, the upper opposite function unit and I / O function unit of the slave station are connected by a unique bus, etc., and are often tightly coupled both in terms of hardware and software. When the specifications of the output function section are to be changed, it cannot be flexibly handled, and a large investment is required for model development including the upper facing section.

本発明の目的は、遠方監視制御システムの開発、設計を容易にし、既存システムの仕様変更にも柔軟に対応できる遠方監視制御システムの伝送情報変換方式を提供することにある。   An object of the present invention is to provide a transmission information conversion method for a remote monitoring control system that facilitates the development and design of a remote monitoring control system and can flexibly cope with changes in specifications of an existing system.

本発明は、前記の課題を解決するため、親局システムと子局間、または親局内、子局内における情報伝送方式の違いを吸収する伝送情報変換器を、親局側または子局側に実装することとしたもので、以下の方式を特徴とする。   In order to solve the above problems, the present invention implements a transmission information converter that absorbs the difference in information transmission method between a master station system and a slave station, or within a master station and a slave station, on the master station side or the slave station side. The following system is a feature.

（１）集中監視制御装置親局と、上位対向機能部によって前記親局との間で監視制御情報を伝送する遠方監視制御装置子局とを備え、親局と子局間の情報伝送をサイクリックデータ伝送方式またはＨＤＬＣ伝送方式とした監視制御システムにおいて、
前記親局をＩＰ伝送方式を基盤とする情報伝送方式に更新するときに該親局内に実装され、前記親局内の上位系とはＩＰ伝送方式により情報伝送し、前記子局の上位対向機能部とはサイクリックデータ伝送方式、またはＨＤＬＣ伝送方式により情報伝送する伝送情報変換器を備えたことを特徴とする。 (1) A central monitoring control device master station and a remote monitoring control device slave station that transmits monitoring control information between the master station and the parent station by a higher-level opposing function unit, In the monitoring and control system using the click data transmission system or HDLC transmission system,
When the parent station is updated to an information transmission method based on the IP transmission method, the parent station is installed in the parent station, and transmits information to the upper system in the parent station by the IP transmission method. Is characterized by having a transmission information converter for transmitting information by a cyclic data transmission system or an HDLC transmission system.

（２）集中監視制御装置親局と、上位対向機能部によって前記親局との間で監視制御情報を伝送する遠方監視制御装置子局とを備え、親局と子局間の情報伝送をサイクリックデータ伝送方式またはＨＤＬＣ伝送方式とした監視制御システムにおいて、
前記子局をＩＰ伝送方式を基盤とする情報伝送方式に更新するときに該子局内に実装され、前記子局内ではＩＰ伝送方式により情報伝送し、前記親局とはサイクリックデータ伝送方式、またはＨＤＬＣ伝送方式により情報伝送する伝送情報変換器を備えたことを特徴とする。 (2) A central monitoring control device master station and a remote monitoring control device slave station that transmits monitoring control information to and from the parent station by the higher-level opposing function unit, and for information transmission between the parent station and the slave station. In the monitoring and control system using the click data transmission system or HDLC transmission system,
When the slave station is updated to an information transmission scheme based on an IP transmission scheme, the slave station is implemented in the slave station, and in the slave station, information is transmitted by an IP transmission scheme, and a cyclic data transmission scheme with the parent station, or A transmission information converter for transmitting information by the HDLC transmission method is provided.

（３）集中監視制御装置親局と、上位対向機能部によって前記親局との間で監視制御情報を伝送する遠方監視制御装置子局とを備え、親局と子局間の情報伝送をサイクリックデータ伝送方式またはＨＤＬＣ伝送方式とした監視制御システムにおいて、
前記親局および子局をＩＰ伝送方式を基盤とする情報伝送方式に一括更新するときに該子局内に実装され、該子局内はＩＰ伝送方式で情報伝送し、前記親局とはＩＰ伝送方式で情報伝送する伝送情報変換器を備え、親局と子局間の伝送路はＩＰ伝送用専用線を新規に敷設した構成を特徴とする。 (3) A central monitoring control device master station and a remote monitoring control device slave station that transmits monitoring control information between the master station and the parent station by a higher-level opposing function unit, and for transmitting information between the master station and the slave station. In the monitoring and control system using the click data transmission system or HDLC transmission system,
Implemented in the slave station when the master station and the slave station are collectively updated to an information transmission scheme based on the IP transmission scheme, the slave station transmits information in the IP transmission scheme, and the parent station and the IP transmission scheme The transmission information converter for transmitting information is provided, and the transmission path between the master station and the slave station is characterized by a newly laid IP transmission dedicated line.

（４）前記伝送情報変換器は、シーケンス情報をＩＰ伝送方式で伝送する手段を備えたことを特徴とする。   (4) The transmission information converter includes means for transmitting sequence information by an IP transmission method.

以上のとおり、本発明によれば、親局システムと子局間、または親局内、子局内における情報伝送方式の違いを吸収する伝送情報変換器を、親局側または子局側に実装するため、遠方監視制御システムの開発、設計を容易にし、既存システムの仕様変更にも柔軟に対応できる。具体的には、
（１）親局システムと子局の情報伝送方式であるサイクリックデータ伝送、ＨＤＬＣ伝送、ＩＰ伝送などに設定変更、内蔵モデムの選択などで柔軟に対応できるため、親局システムに実装しても、子局に実装しても、物件対応の開発投資効率が向上する。 As described above, according to the present invention, a transmission information converter that absorbs a difference in information transmission method between a master station system and a slave station, or within a master station and a slave station is mounted on the master station side or the slave station side. This makes it easy to develop and design a remote monitoring and control system and flexibly respond to changes in the specifications of existing systems. In particular,
(1) Since it can be flexibly supported by changing the settings such as cyclic data transmission, HDLC transmission, and IP transmission, which are information transmission methods between the master station system and the slave station, and selecting a built-in modem, it can be implemented in the master station system. Even if it is installed in a slave station, the development investment efficiency for the property will be improved.

（２）開発成果物も標準化でき、装置設計がパターン化でき、工数削減に寄与する。また、ハードウェア保守部品の種類を低減できるため、保守費用の低減が可能となる。   (2) Development products can be standardized, equipment design can be patterned, and man-hours can be reduced. In addition, since the types of hardware maintenance parts can be reduced, maintenance costs can be reduced.

（３）子局の上位対向機能部と入出力機能部が汎用性のあるプロトコル、フォーマットによるＩＰ結合なので機能、性能、目標原価などによって入出力機能部の仕様を変更したい場合に、比較的少額の投資で柔軟に対応できる。   (3) Since the upper opposite function unit and the input / output function unit of the slave station are IP-coupled with a general-purpose protocol and format, if you want to change the specifications of the input / output function unit according to function, performance, target cost, etc., a relatively small amount Can respond flexibly with investment.

（実施形態１）
図１は、本発明の実施形態を示す遠方監視制御システムの要部構成図である。同図が図５と異なる部分は、親局システム１に伝送情報変換器１Ａを実装した点にある。 (Embodiment 1)
FIG. 1 is a main part configuration diagram of a remote monitoring control system showing an embodiment of the present invention. 5 differs from FIG. 5 in that a transmission information converter 1A is mounted on the master station system 1. FIG.

伝送情報変換器１Ａは、子局２の上位対向機能部２Ｂと、親局システム内の監視制御情報伝送機能部との間の伝送方式の違いを吸収した伝送情報変換を行う。   The transmission information converter 1A performs transmission information conversion that absorbs the difference in transmission method between the higher-level opposing function unit 2B of the slave station 2 and the monitoring control information transmission function unit in the parent station system.

本実施形態は、サイクリックデータ伝送方式、またはＨＤＬＣ伝送方式にした既存の監視制御システムにおいて、親局システム１をＩＰ伝送方式を基盤とする装置に更新し、既設伝送路で既設サイクリックデータ伝送方式の子局、またはＨＤＬＣ伝送方式の子局に接続する場合である。   In the present embodiment, in the existing monitoring and control system using the cyclic data transmission method or the HDLC transmission method, the master station system 1 is updated to an apparatus based on the IP transmission method, and the existing cyclic data transmission is performed on the existing transmission line. This is a case of connecting to the slave station of the system or the slave station of the HDLC transmission system.

このための伝送情報変換器１Ａは、親局システム１内の監視制御用サーバなどの上位系とはＩＰ伝送方式による伝送情報を入出力し、子局２の上位対向機能部２Ｂとはサイクリックデータ伝送方式、またはＨＤＬＣ伝送方式による伝送情報を入出力し、これらの伝送方式の違いに応じた伝送情報変換を行う。   For this purpose, the transmission information converter 1A inputs / outputs transmission information based on the IP transmission method to / from a host system such as a monitoring control server in the master station system 1, and cyclically connects to the host function unit 2B of the slave station 2 Transmission information according to the data transmission method or HDLC transmission method is input / output, and transmission information conversion is performed according to the difference between these transmission methods.

図２は伝送情報変換器１Ａの機能ブロック図を示す。伝送情報変換器１Ａは、ベーシック機能として、ＩＰ伝送用送受信部１１によって親局システム内の上位系サーバ１Ｂとの情報伝送を可能にし、ＨＤＬＣ伝送用またはサイクリックデータ伝送用送受信部１２，１３によって子局の上位対向機能部２Ｂとの情報伝送を可能にし、さらにシーケンサ情報の伝送用送受信部１４によって、ＳＯＥ（ＳＥＱＥＮＣＥ ＯＦ ＥＶＥＮＴ）機能などのシーケンス情報変換、編集を可能にする。   FIG. 2 shows a functional block diagram of the transmission information converter 1A. As a basic function, the transmission information converter 1A enables transmission of information with the host server 1B in the master station system by the transmission / reception unit 11 for IP transmission, and transmission / reception units 12 and 13 for HDLC transmission or cyclic data transmission. Information transmission with the higher-level opposing function unit 2B of the slave station is enabled, and sequence information conversion / editing such as an SOE (SEQ OF OF EVENT) function is enabled by the transmission / reception unit 14 for transmitting sequencer information.

伝送情報変換器１Ａは、上記の情報伝送機能のうち、子局との情報伝送には伝送形式および伝送速度に対応できる少なくとも１つのモデムを内蔵する。また、伝送情報変換器１Ａは、オプション機能として、親局側ＩＰ伝送用送受信部１１と、子局側ＨＤＬＣ伝送用送受信部１２，１３，１４との間の伝送経路設定（アドレス設定）手段を搭載する。   The transmission information converter 1A includes at least one modem capable of corresponding to the transmission format and transmission speed for information transmission with the slave station among the information transmission functions described above. In addition, the transmission information converter 1A has, as an optional function, a transmission path setting (address setting) means between the parent station side IP transmission transmission / reception unit 11 and the slave station side HDLC transmission transmission / reception units 12, 13, and 14. Mount.

以上の構成において、伝送情報変換器１Ａは、下位対向機能としてサイクリックデータ伝送かＨＤＬＣ伝送かを設定し、内蔵モデムを選択することで子局２との間で情報伝送を行う。この情報伝送のプロトコルとフォーマットは電気協同研究仕様に準拠した伝送情報とし、伝送路は例えばＮＴＴ３．４ｋＨｚ専用線などの既存の伝送路を使用する。   In the above configuration, the transmission information converter 1A sets cyclic data transmission or HDLC transmission as the lower facing function, and performs information transmission with the slave station 2 by selecting an internal modem. The information transmission protocol and format are transmission information conforming to the Electric Cooperative Research Specification, and an existing transmission line such as an NTT 3.4 kHz dedicated line is used as the transmission line.

また、伝送情報変換器１Ａは、上位対向機能として、親局システム１と監視制御用標準プロトコルと監視制御用標準フォーマットでＩＰ伝送方式による情報伝送を行う。   Further, the transmission information converter 1A performs information transmission by the IP transmission method using the master station system 1, the standard protocol for monitoring control, and the standard format for monitoring control as a higher-level opposing function.

したがって、本実施形態によれば、親局システム１をＩＰ伝送方式に更新する場合、この更新に際して伝送情報変換器１Ａを実装することで、子局とはその情報伝送方式であるサイクリックデータ伝送、ＨＤＬＣ伝送に設定変更、内蔵モデムの選択などによって、既存子局との間の情報伝送ができる。これにより、遠方監視制御システムの開発、設計、変更にも子局別に新たなハードウェア開発、ソフトウェア開発を不要にし、効率の良い開発、低コスト化を図ることができる。さらに、ハードウェア保守部品の種類を低減できるため、保守費用の低減が可能となる。   Therefore, according to the present embodiment, when the master station system 1 is updated to the IP transmission system, the transmission information converter 1A is installed at the time of the update, so that the slave station is the cyclic data transmission that is the information transmission system. By changing the setting to HDLC transmission, selecting an internal modem, etc., information can be transmitted between existing slave stations. This eliminates the need for new hardware development and software development for each slave station in the development, design, and change of the remote monitoring and control system, and enables efficient development and cost reduction. Furthermore, since the types of hardware maintenance parts can be reduced, maintenance costs can be reduced.

（実施形態２）
図３は、本実施形態を示す遠方監視制御システムの要部構成図である。本実施形態は、サイクリックデータ伝送方式、またはＨＤＬＣ伝送方式にした既存の監視制御システムにおいて、子局をＩＰ伝送方式を基盤とする装置に更新し、既設伝送路でサイクリックデータ伝送方式の親局システム、またはＨＤＬＣ伝送方式の親局システムとの間で情報伝送する場合である。 (Embodiment 2)
FIG. 3 is a main part configuration diagram of the remote monitoring control system showing the present embodiment. In this embodiment, in an existing monitoring and control system based on the cyclic data transmission method or the HDLC transmission method, the slave station is updated to an apparatus based on the IP transmission method, and the parent of the cyclic data transmission method is installed on the existing transmission line. This is a case where information is transmitted between the station system and the master station system of the HDLC transmission system.

前記の図５における子局２の上位対向機能部２Ｂに代えて、図３では伝送情報変換器２Ｃを実装する。この伝送情報変換器２Ｃは、入出力機能部２ＡにＩＰ伝送方式で接続し、親局システム１とはサイクリックデータ伝送方式、またはＨＤＬＣ伝送方式で情報伝送する。   Instead of the higher-order counter function unit 2B of the slave station 2 in FIG. 5, a transmission information converter 2C is mounted in FIG. The transmission information converter 2C is connected to the input / output function unit 2A by the IP transmission method, and transmits information to the master station system 1 by the cyclic data transmission method or the HDLC transmission method.

伝送情報変換器２Ｃは、下位対向機能としてＩＰ伝送を設定し、入出力機能部（例えばシーケンサ）２Ａに接続する。伝送プロトコルは上りＵＤＰ、下りＴＣＰの専用プロトコルと専用フォーマットとする。伝送プロトコルとフォーマットは汎用的なもので、市販されているシーケンサなどの入出力機能部を要求仕様に応じて柔軟に選択できる。   The transmission information converter 2C sets IP transmission as a lower facing function and connects to the input / output function unit (for example, sequencer) 2A. The transmission protocol is a dedicated protocol and a dedicated format for upstream UDP and downstream TCP. Transmission protocols and formats are general-purpose, and commercially available I / O function units such as sequencers can be flexibly selected according to the required specifications.

また、伝送情報変換器２Ｃは、上位対向機能として、サイクリックデータ伝送かＨＤＬＣ伝送かを設定し、内蔵モデムを選択することで親局システム１との間で情報伝送する。この伝送のプロトコルとフォーマットは、電気協同研究仕様に準拠する。また、親局システムとの間で情報伝送する伝送路は、例えばＮＴＴ３．４ｋＨｚ専用線などの従来型伝送路を使用する。   Further, the transmission information converter 2C sets cyclic data transmission or HDLC transmission as an upper facing function, and transmits information to and from the master station system 1 by selecting an internal modem. The transmission protocol and format conform to the Electric Cooperative Research Specification. For the transmission path for transmitting information to and from the master station system, a conventional transmission path such as an NTT 3.4 kHz dedicated line is used.

伝送情報変換器２Ｃには、ＳＯＥ（ＳＥＱＥＮＣＥ ＯＦ ＥＶＥＮＴ）機能など情報変換だけでなく編集機能を実装することで、子局２は従来のＨＤＬＣ子局相当の機能をそのまま使用する。   In the transmission information converter 2C, not only information conversion such as an SOE (SEQENCE OF EVENT) function but also an editing function is implemented, so that the slave station 2 uses a function equivalent to a conventional HDLC slave station as it is.

したがって、本実施形態によれば、実施形態１と異なり、伝送方式の変更に子局単位の変更で済み、効率よい更新ができる。また、子局の上位対向機能部と入出力機能部が汎用性のあるプロトコル、フォーマットによるＩＰ結合になるため、機能、性能、目標原価などによって入出力機能部の仕様を変更したい場合に、比較的少額の投資で柔軟に対応できる。   Therefore, according to the present embodiment, unlike the first embodiment, the transmission method can be changed by changing the unit of the slave station, and efficient updating can be performed. In addition, since the upper opposite function unit and the input / output function unit of the slave station are IP-coupled by a general-purpose protocol and format, compare the specifications of the input / output function unit depending on the function, performance, target cost, etc. It can respond flexibly with a small amount of investment.

（実施形態３）
図４は、本実施形態を示す遠方監視制御システムの要部構成図である。本実施形態は、サイクリックデータ伝送方式、またはＨＤＬＣ伝送方式にした既存の監視制御システムにおいて、親局システムおよび子局をＩＰ伝送方式を基盤とする装置に一括更新する場合である。 (Embodiment 3)
FIG. 4 is a main part configuration diagram of the remote monitoring control system showing the present embodiment. This embodiment is a case where the parent station system and the slave station are collectively updated to an apparatus based on the IP transmission method in the existing monitoring control system using the cyclic data transmission method or the HDLC transmission method.

この場合、実施形態２と同様に、子局２内に伝送情報変換器２Ｃを実装する構成とするが、伝送情報変換器２Ｃでは入出力機能部２ＡとはＩＰ伝送方式で情報伝送し、親局システム１にもＩＰ伝送方式で情報伝送する。また、親局システム１と子局２間の伝送路はＩＰ伝送用専用線を新規に敷設する。   In this case, similar to the second embodiment, the transmission information converter 2C is mounted in the slave station 2, but the transmission information converter 2C transmits information to the input / output function unit 2A by the IP transmission method, Information is also transmitted to the station system 1 by the IP transmission method. Further, a dedicated IP transmission line is newly laid on the transmission path between the master station system 1 and the slave station 2.

伝送情報変換器は子局に実装し、下位対向機能としてＩＰ伝送を設定し、入出力機能部（例えばシーケンサ）に接続する。伝送プロトコルは上りＵＤＰ、下りＴＣＰの専用プロトコルと専用フォーマットとする。プロトコルとフォーマットは汎用的なもので、市販されているシーケンサなどの入出力機能部を要求仕様に応じて柔軟に選択できる。   The transmission information converter is mounted on the slave station, sets IP transmission as a lower facing function, and connects to an input / output function unit (for example, a sequencer). The transmission protocol is a dedicated protocol and a dedicated format for upstream UDP and downstream TCP. The protocol and format are general-purpose, and I / O function units such as commercially available sequencers can be flexibly selected according to the required specifications.

また、上位対向機能として親局システムと監視制御用標準プロトコルと監視制御用標準フォーマットでＩＰ接続する。伝送情報変換器には、ＳＯＥ（ＳＥＱＥＮＣＥ ＯＦ ＥＶＥＮＴ）機能など情報変換だけでなく編集機能を実装できるため、子局は従来のＨＤＬＣ子局相当の機能を持つことができる。   In addition, as an upper facing function, an IP connection is made with the master station system using a standard protocol for monitoring control and a standard format for monitoring control. Since the transmission information converter can be equipped with not only information conversion such as SOE (SEQENCE OF EVENT) function but also an editing function, the slave station can have a function equivalent to a conventional HDLC slave station.

本発明の実施形態１を示す遠方監視制御システムの要部構成図。The principal part block diagram of the remote monitoring control system which shows Embodiment 1 of this invention. 伝送情報変換器の機能ブロック図。The functional block diagram of a transmission information converter. 本発明の実施形態２を示す遠方監視制御システムの要部構成図。The principal part block diagram of the remote monitoring control system which shows Embodiment 2 of this invention. 本発明の実施形態３を示す遠方監視制御システムの要部構成図。The principal part block diagram of the remote monitoring control system which shows Embodiment 3 of this invention. 従来の遠方監視制御システムの要部構成図。The principal part block diagram of the conventional remote monitoring control system.

符号の説明Explanation of symbols

１ 集中監視制御装置親局
２ 遠方監視制御装置子局
３ 被制御機器
１Ｂ 上位系サーバ
２Ａ 入出力機能部
２Ｂ 上位対向機能部
１１ ＩＰ送受信部
１２ ＨＤＬＣ送受信部
１３ ＣＤＴ送受信部
１４ シーケンサ送受信部 DESCRIPTION OF SYMBOLS 1 Centralized monitoring control apparatus main station 2 Remote monitoring control apparatus slave station 3 Controlled apparatus 1B High-order server 2A Input / output function part 2B Upper opposing function part 11 IP transmission / reception part 12 HDLC transmission / reception part 13 CDT transmission / reception part 14 Sequencer transmission / reception part

Claims (4)

集中監視制御装置親局と、上位対向機能部によって前記親局との間で監視制御情報を伝送する遠方監視制御装置子局とを備え、親局と子局間の情報伝送をサイクリックデータ伝送方式またはＨＤＬＣ伝送方式とした監視制御システムにおいて、
前記親局をＩＰ伝送方式を基盤とする情報伝送方式に更新するときに該親局内に実装され、前記親局内の上位系とはＩＰ伝送方式により情報伝送し、前記子局の上位対向機能部とはサイクリックデータ伝送方式、またはＨＤＬＣ伝送方式により情報伝送する伝送情報変換器を備えたことを特徴とする遠方監視制御システムの伝送情報変換方式。 A central monitoring and control device master station and a remote monitoring and control device slave station that transmits monitoring control information to and from the master station by a higher-level opposing function unit, and cyclic data transmission of information transmission between the master station and the slave station In the monitoring and control system using the HDLC transmission method or the HDLC transmission method,
When the parent station is updated to an information transmission method based on the IP transmission method, the parent station is installed in the parent station, and transmits information to the upper system in the parent station by the IP transmission method. Is a transmission information conversion system for a remote monitoring and control system, characterized by comprising a transmission information converter for transmitting information by a cyclic data transmission system or an HDLC transmission system. 集中監視制御装置親局と、上位対向機能部によって前記親局との間で監視制御情報を伝送する遠方監視制御装置子局とを備え、親局と子局間の情報伝送をサイクリックデータ伝送方式またはＨＤＬＣ伝送方式とした監視制御システムにおいて、
前記子局をＩＰ伝送方式を基盤とする情報伝送方式に更新するときに該子局内に実装され、前記子局内ではＩＰ伝送方式により情報伝送し、前記親局とはサイクリックデータ伝送方式、またはＨＤＬＣ伝送方式により情報伝送する伝送情報変換器を備えたことを特徴とする遠方監視制御システムの伝送情報変換方式。 A central monitoring and control device master station and a remote monitoring and control device slave station that transmits monitoring control information to and from the master station by a higher-level opposing function unit, and cyclic data transmission of information transmission between the master station and the slave station In the monitoring and control system using the HDLC transmission method or the HDLC transmission method,
When the slave station is updated to an information transmission scheme based on an IP transmission scheme, the slave station is implemented in the slave station, and in the slave station, information is transmitted by an IP transmission scheme, and a cyclic data transmission scheme with the parent station, or A transmission information conversion method for a remote monitoring control system, comprising a transmission information converter for transmitting information by an HDLC transmission method. 集中監視制御装置親局と、上位対向機能部によって前記親局との間で監視制御情報を伝送する遠方監視制御装置子局とを備え、親局と子局間の情報伝送をサイクリックデータ伝送方式またはＨＤＬＣ伝送方式とした監視制御システムにおいて、
前記親局および子局をＩＰ伝送方式を基盤とする情報伝送方式に一括更新するときに該子局内に実装され、該子局内はＩＰ伝送方式で情報伝送し、前記親局とはＩＰ伝送方式で情報伝送する伝送情報変換器を備え、親局と子局間の伝送路はＩＰ伝送用専用線を新規に敷設した構成を特徴とする遠方監視制御システムの伝送情報変換方式。 A central monitoring and control device master station and a remote monitoring and control device slave station that transmits monitoring control information to and from the master station by a higher-level opposing function unit, and cyclic data transmission of information transmission between the master station and the slave station In the monitoring and control system using the HDLC transmission method or the HDLC transmission method,
Implemented in the slave station when the master station and the slave station are collectively updated to an information transmission scheme based on the IP transmission scheme, the slave station transmits information in the IP transmission scheme, and the parent station and the IP transmission scheme A transmission information conversion method for a remote monitoring control system, characterized in that a transmission information converter for transmitting information is provided, and a transmission line between the master station and the slave station is newly laid on a dedicated IP transmission line. 前記伝送情報変換器は、シーケンス情報をＩＰ伝送方式で伝送する手段を備えたことを特徴とする請求項１〜３のいずれか１項に記載の遠方監視制御システムの伝送情報変換方式。   The transmission information conversion method for a remote monitoring control system according to any one of claims 1 to 3, wherein the transmission information converter includes means for transmitting sequence information by an IP transmission method.
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