JPS6047918A - Monitoring and controlling system for power generation plant - Google Patents

Monitoring and controlling system for power generation plant

Info

Publication number
JPS6047918A
JPS6047918A JP58154905A JP15490583A JPS6047918A JP S6047918 A JPS6047918 A JP S6047918A JP 58154905 A JP58154905 A JP 58154905A JP 15490583 A JP15490583 A JP 15490583A JP S6047918 A JPS6047918 A JP S6047918A
Authority
JP
Japan
Prior art keywords
signal
data transmission
detector
circuit
input
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
JP58154905A
Other languages
Japanese (ja)
Inventor
Sadao Yanagida
柳田　貞雄
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP58154905A priority Critical patent/JPS6047918A/en
Publication of JPS6047918A publication Critical patent/JPS6047918A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0267—Fault communication, e.g. human machine interface [HMI]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52—Outage or fault management, e.g. fault detection or location

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Alarm Systems (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Safety Devices In Control Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

PURPOSE:To achieve the curtailment of the amount of hardwares and the integration of data base by providing input signal processors between the outputs of detectors and a monitor control to integrate the signal diagnosis for the detectors, non-linear correction, level judgement and the like with the main body and producing the computation outputs thereof. CONSTITUTION:Detection signals of detectors S11-S22 are inputted into input signal processors SGC11-22, which performs a processing of detector signals and outputs an ON/OFF signal for an alarm 11, an analog signal for an indicator 12 and a signal for controllers. The input signal processors SGC and controllers C1 and C2 both have data transmission means and enables the data transmission through data transmission paths 41 and 42. In addition, the controllers and a unit computer 2 are connected with a data transmission path 3. This, for example, enables the outputting to the unit computer through the controllers in the CRT display of the detector output signals as well.

Description

【発明の詳細な説明】 〔発明の利用分野〕 本発明は、火力発電所等の発電プラントにおける監視制
御システムに係り、特に、監視制御装置をディジタル式
で構成した監視制御システムに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a supervisory control system in a power generation plant such as a thermal power plant, and particularly to a supervisory control system in which a supervisory control device is configured in a digital manner.

〔発明の背景〕[Background of the invention]

本発明を火力発電プラントに例をとって説明する。 The present invention will be explained by taking a thermal power plant as an example.

第１図は、従来の火力発電プラントに於ける監視制御装
置システム構成を示す。監視制御システムは、運転状態
監視および操作のためのＢＴＧ盤１％プラント統括監視
制御を行なうユニット計算機２、複数の制御装置Ｃ！〜
Ｃ２，多数の検出器ｓｉｔ〜Ｓ、２．Ａ、および複数の
操作端Ｄ１〜Ｄ２から構成される。FIG. 1 shows a system configuration of a supervisory control device in a conventional thermal power plant. The monitoring and control system includes a unit computer 2 that performs integrated monitoring and control of the BTG panel 1% plant for operation status monitoring and operation, and a plurality of control devices C! ~
C2, a large number of detectors sit~S, 2. A, and a plurality of operation ends D1 to D2.

この様なシステムに於いて、従来、万一、制御装置が故
障しても、ＢＴＧ盤１上の指示計１２ｉ監視しながら、
操作器１４を操作し、手動操作回路Ｍｌ＝Ｍ２に介して
、操作端Ｄ１〜Ｄ２を操作可能なように、検出器８１１
信号は、制御装置Ｃ１から分離して、変換器Ｓｅｔを介
して指示計、記録計に出力するシステム構成としていた
。また、ユニット計算機２も制御装置をバイパスして、
検出信号を入力する方式としていた。ここで、信号変換
器ＳＣＩは、信頼性を考慮し、検出器１台毎に分数設置
している。また、警報に関しては、接点信号出力の検出
器を採用していた。Conventionally, in such a system, even if the control device were to fail, the indicator 12i on the BTG board 1 would be monitored.
The detector 811 is configured such that the operating ends D1 to D2 can be operated by operating the operating device 14 and via the manual operating circuit Ml=M2.
The system configuration was such that the signal was separated from the control device C1 and outputted to the indicator and recorder via the converter Set. In addition, the unit computer 2 also bypasses the control device,
The method used was to input the detection signal. Here, in consideration of reliability, a number of signal converters SCI are installed for each detector. Additionally, for alarms, a detector with contact signal output was used.

さて、このシステムに於いて、制御装置Ｃ１〜Ｃ２，を
ディジタル式で構成する場合、ディジタルの特徴を活か
し、非線形補正機能の他に検出信号の上下限チェック、
変化率チェックなど検出信号診断機能を持たせている。Now, in this system, when the control devices C1 to C2 are configured digitally, the characteristics of digital are utilized to check the upper and lower limits of the detection signal in addition to the nonlinear correction function.
It has detection signal diagnostic functions such as rate of change check.

第２図は、第１図のシステム中、検出器８１１関係部を
詳細に図示したものである。検出器８１１で検出した信
号（ｌ″ｊ１制御装置Ｃ１のアナログ入力回路ＣＩ８で
アナログ・ディジタル変換され、ＣＰＵＣ１１の働きに
より、メモ’）Ｃｓｚに格納されたプログラムに従って
順次、演算を実行し、その演算結果は制御信号としてア
ナログ出力回路Ｃ１４でディジタル・アナログ変換され
、手動操作回路Ｍｌを介して、操作端ＤＩを制御する。FIG. 2 is a detailed illustration of the detector 811-related parts in the system of FIG. 1. The signal detected by the detector 811 (converted from analog to digital by the analog input circuit CI8 of l''j1 control device C1, and memo' by the action of CPUC11) is sequentially executed according to the program stored in Csz, and the calculation is The result is digital-to-analog converted as a control signal by the analog output circuit C14, which controls the operating end DI via the manual operating circuit Ml.

ここで、プログラムＣ１２の構成は、上・下限、変化率
の合理性チェック用検出器信号診断プログラムＣｌ２１
　％非線形補正プログラムｃｔ２ｚ　、規定レベルで０
Ｎ１０ＦＦ’信号に変換するレベルチェックプログラム
Ｃ１ｚｓｂおよび制御演算プログラムＣ１２４から構成
される。Here, the configuration of the program C12 is a detector signal diagnosis program Cl21 for checking the rationality of upper and lower limits and rate of change.
% nonlinear correction program ct2z, 0 at specified level
It is composed of a level check program C1zsb for converting into the N10FF' signal and a control calculation program C124.

次に２ユニット計算機２では、検出器信号は、アナログ
入力回路２４に入力さ社、ここでアナログ・ディジタル
変換され、計算機に取込まれ。Next, in the two-unit computer 2, the detector signal is input to an analog input circuit 24, where it is analog-to-digital converted and taken into the computer.

ＣＰＵ２１の働きにより、メモリ２２に格納筋れたプロ
グラムに従って２例えば、（４Ｔ表示信号として、ＣＲ
Ｔ制御回路２３を介して、ＣＲＴに表示式れる。ここで
、メモリ２２のプログラムは同様に検出器信号診断プロ
グラム２２１、非線形補正２２２．レベルチェックプロ
グラム２２３、及びＣＲＴ表示等のアプリケーションプ
ログラム２２４から構成される。According to the program stored in the memory 22 by the function of the CPU 21, for example, (CR as a 4T display signal)
The image is displayed on the CRT via the T control circuit 23. Here, the programs in the memory 22 are a detector signal diagnosis program 221, a nonlinear correction program 222, and so on. It consists of a level check program 223 and an application program 224 such as CRT display.

一方、指示計１２等への信号変換器ＳＣｓは、信頼性を
考慮し、アナログ回路で構成していた。On the other hand, the signal converter SCs to the indicator 12, etc., was configured with an analog circuit in consideration of reliability.

尚、ユニット計算機２と制御装置ＣＩ　とは、各各デー
タ伝送装置２！３．ＣＩ７と、シリアル伝送路３により
、相互にデータ交換が可能で、例えば、制御装置山内の
演算データをユニット計算機２にＣＲＴ表示信号として
出力している。Note that the unit computer 2 and the control device CI are each data transmission device 2!3. Data can be exchanged between the CI 7 and the serial transmission line 3, and, for example, calculation data from the controller Yamauchi is output to the unit computer 2 as a CRT display signal.

さて、このような従来システムでは、１台の検出器信号
に対し、ユニット計算機２と制御装置Ｃ１双方でアナロ
グ入力回路２３％０１３をもち、更に、信号変換器Ｓｅ
ｔを要するなど、）・−ト量が多く、高価なものとなっ
ていた。また、検出器信号診断、非線形補正機能も１機
能的にユニット計算機と制御装置の双方に設け、プログ
ラム量的に不経済であるとともに、データベースが煩雑
になる問題が有った。更に、信号変換器ＳＣＩは、信頼
性上、アナログ回路で極力簡単なノ・−ド構成としてい
るため、検出器信号診断機能を持つことが困難であった
。Now, in such a conventional system, for one detector signal, both the unit computer 2 and the control device C1 have an analog input circuit 23%013, and a signal converter Se.
This method requires a large amount of t, etc., and is expensive. Furthermore, the detector signal diagnosis and nonlinear correction functions are provided as a single function in both the unit computer and the control device, which is uneconomical in terms of program size and creates a complicated database. Furthermore, in terms of reliability, the signal converter SCI has a node configuration as simple as possible using analog circuits, so it has been difficult to provide a detector signal diagnosis function.

〔発明の目的〕[Purpose of the invention]

本発明の目的は、検出器信号処理回路を１ケ所で処理す
る、合理的な監視制御システムを提供するにある。An object of the present invention is to provide a rational supervisory control system that processes a detector signal processing circuit in one place.

〔発明の概要〕[Summary of the invention]

本発明の要点は、検出器出力と監視制御装置との間に、
入力信号処理装置を設け、本装置で、検出器信号診断、
非線形補正、レベル判定等を一元的に行ない、その演算
出力を制御装置、ユニット計算機、および指示計に出力
し、ノ・−ド量の削減と、データベースの一元化を図る
にある。The gist of the present invention is that between the detector output and the supervisory control device,
An input signal processing device is installed, and this device can perform detector signal diagnosis,
The purpose is to centrally perform nonlinear correction, level judgment, etc., and output the calculation output to a control device, a unit computer, and an indicator, thereby reducing the number of nodes and unifying the database.

〔発明の実施例〕[Embodiments of the invention]

本発明の一実施例システム構成を第３図に示す。 FIG. 3 shows a system configuration of an embodiment of the present invention.

検出器８１１〜ｓｉｘの検出信号は、各入力信号処理装
置Ｓ　Ｇ　Ｃｓ　ｔ〜２２に入力１さねる。入力信号処
理装置では、検出器信号処理を行ない、警報器１１用Ｏ
Ｎ１０　Ｆ　Ｆ信号、指示計１２用アナログ信号、およ
び制御装置用信号を出力する。ここで、各入力信号処理
装置ＳＧＣと複数の制御装置ＣＩ＋Ｃ２とは双方に、デ
ータ伝送手段をもち、データ伝送路４１．４２を介して
、データ伝送を可能としている。更に、制御装置とユニ
ット計算機２とはデータ伝送路３で接続されているので
、例えば、検出器出力信号のＣＲＴ表示も、制御装置を
介して、ユニット計算機に出力可能である。The detection signals of the detectors 811 to six are input to each input signal processing device SGCst to 22. The input signal processing device processes the detector signal and outputs the signal for the alarm 11.
Outputs N10FF signal, analog signal for indicator 12, and signal for control device. Here, each input signal processing device SGC and the plurality of control devices CI+C2 both have data transmission means, and are capable of data transmission via data transmission paths 41 and 42. Furthermore, since the control device and the unit computer 2 are connected by the data transmission path 3, for example, a CRT display of the detector output signal can also be output to the unit computer via the control device.

この詳細について、第４図によシ説明する。第４図は、
第３図の検出器１台に関するシステム構成を詳細に図示
したものである。The details will be explained with reference to FIG. Figure 4 shows
This is a detailed diagram of the system configuration regarding one detector in FIG. 3.

検出器８１１の出力信号は、入力信号処理装置５ＧＣ１
ｌに入力される。入力信号処理装置は、入力信号処理回
路５ＧＣ１１２，データ設定回路ＳＧＣ！＋ａ　、基準
電圧発生回路５ＧＣｓ１４．アナログ信号出力回路５Ｇ
０１１５．０Ｎ１０ＦＦ信号出力回路Ｓ　Ｇ　Ｃ１１６
％動作異常表示器５ＧＣ１１７からなる複数の信号処理
回路と、データ伝送回路ＳＧＣ，，，から構成される。The output signal of the detector 811 is input to the input signal processing device 5GC1.
input into l. The input signal processing device includes an input signal processing circuit 5GC112 and a data setting circuit SGC! +a, reference voltage generation circuit 5GCs14. Analog signal output circuit 5G
0115.0N10FF signal output circuit S G C116
It is composed of a plurality of signal processing circuits including a % operation abnormality indicator 5GC117, and data transmission circuits SGC, .

検出器Ｓｔｔの出力信号は、入力信号処理回路５ＧＣＩ
ｔｚに送られる。ここで、入力信号処理回路５ＧＣＢｚ
Ｕ、公知のワンチップマイクロコンピュータ等のディジ
タル回路で構成され、アナログ・ディジタル変換器Ｓ　
Ｇ　Ｃ１１２□、で信号全取込み、メモリに格納された
プログラム、すなわち、入力信号診断プログラム５ＧＣ
１１２２、非線形補正プログラム５ＧＣ１□２３、レベ
ル判定プログラム５ＧＣ１ｓｔ＋に従って、順次、入力
信号処理を行なう。ここでの各プログラムのパラメータ
は、データ設定回路ＳＧＣｒｘｇで与える。入力信号処
理回路の出力は、アナログ信号出力回路５ＧＣｎｓ。The output signal of the detector Stt is sent to the input signal processing circuit 5GCI.
Sent to tz. Here, the input signal processing circuit 5GCBz
U, consisting of a digital circuit such as a known one-chip microcomputer, and an analog-to-digital converter S
GC112□, all the signals are taken in, and the program stored in the memory, that is, the input signal diagnosis program 5GC
1122, the nonlinear correction program 5GC1□23, and the level determination program 5GC1st+, the input signal processing is performed sequentially. The parameters of each program here are given by a data setting circuit SGCrxg. The output of the input signal processing circuit is an analog signal output circuit 5GCns.

０Ｎ１０ＦＦ信号出力回路５Ｇｅｔｔａｈ及びデータ伝
送回路５ＧＣＩＩＩに送シ、各々、指示ｂ１°１２゜警
報器１工、データ伝送路４１ｆ：介して、制御装置Ｃ１
と接続される。0N10FF signal output circuit 5 Gettah and data transmission circuit 5 GCIII, respectively, instruction b1° 12° alarm 1 piece, data transmission line 41f: via, control device C1
connected to.

制御装置Ｃ１は、データ伝送回路０１８により、データ
伝送路４１を介して、複数の入力信号処理装置と接続さ
れる。従って、従来技術のような、検出器信号用のアナ
ログ入力回路は不要である。The control device C1 is connected to a plurality of input signal processing devices via a data transmission path 41 by a data transmission circuit 018. Therefore, an analog input circuit for the detector signal is not required as in the prior art.

ここで、制御装置Ｃ１のメモ！Ｊ　Ｃ１２に格納される
プログラムは、入力信号処理装置ｓｏｃで、入力信号処
理を行なっているため、従来技術のような、検出器信号
診断、非線形補正、および、レベル判定プログラムは不
要となり、制御のだめのアプリケーションプログラムか
ら構成される。Here, the memo of the control device C1! Since the program stored in the JC12 is processed by the input signal processing unit soc, there is no need for detector signal diagnosis, nonlinear correction, and level judgment programs as in the prior art, and the control process is simplified. It consists of application programs.

同様に、ユニット計算機２も、検出器信号用のアナログ
入力回路は不要となり、かつメモリ２２に格納されるプ
ログラムも、例えば、ＣＲＴ表示表示アノアプリケーシ
ョンプログラム構成され、入力信号処理プログラムが削
減される。Similarly, the unit computer 2 also eliminates the need for an analog input circuit for detector signals, and the program stored in the memory 22 is also configured, for example, as a CRT display display application program, thereby reducing the number of input signal processing programs.

本発明の実施例によると、アナログ入力回路、およびプ
ログラムが削減でれる。According to embodiments of the present invention, analog input circuits and programs can be reduced.

さらに、信号処理装置ＳＧＣで警報信号を出力するため
、従来の特別の警報用検出器が不要となる。Furthermore, since the signal processing device SGC outputs the alarm signal, a conventional special alarm detector is not required.

本発明の入力信号処理装置の変形例を第５図に示す。本
変形例は、入力信号処理装置の高信頼化と経済性のバラ
ンスを図ったものである。すなわち、複数の検出器信号
は、二重化されたマルチプレクサＳ　Ｇ　Ｃ１１８Ａ　
、　Ｓ　Ｇ　Ｃ１□ｌを介して、二重化された入力信号
処理回路５ＧＣ１１２Ａ　＋Ｓ　Ｇ　０１□３１１に入
力され、入力処理される。入力信号処理回路の出力信号
は、切換回路Ｓ　Ｇ　Ｃ１１５ム。A modification of the input signal processing device of the present invention is shown in FIG. This modification aims at achieving a balance between high reliability and economic efficiency of the input signal processing device. That is, a plurality of detector signals are transmitted through a duplicated multiplexer S G C118A.
, S G C1□l, it is input to the duplicated input signal processing circuit 5GC112A + S G01□311, and is input-processed. The output signal of the input signal processing circuit is sent to the switching circuit SGC115.

Ｓ　Ｇ　Ｃ１１６ムを介してアナログ出力回路８ＧＣｔ
ｔｓ。Analog output circuit 8GCt via S G C116 system
ts.

０Ｎ１０ＦＦ信号出力回路ＳＧＣ口６に出力される。こ
こで切換回路は、入力信号処理回路の故障診断回路５Ｇ
Ｃ１ｔｏの出力信号で制御される。故障診断回路の出力
信号は必ず一系を選択し、選択系が故障時、他系に切換
え信号紮出力する。データ伝送回路５ＧＣ１１１ム、５
ＧＣＩＩＩＢは二回路設け、各々パラに出力し、二台の
制御装置にデータ伝送可能とし、例えば、制御装置の二
重化を容易に可能としている。また、データ伝送回路と
データ設定回路Ｓ　Ｇ　０１１３接続し、上位の、例え
ば、制御装置からのパラメータをデータ設定回路のバッ
ファメモリに設定することによシ、上位からバラメータ
設定可能としている。The signal is output to the SGC port 6 of the 0N10FF signal output circuit. Here, the switching circuit is a failure diagnosis circuit 5G of the input signal processing circuit.
It is controlled by the output signal of C1to. The output signal of the failure diagnosis circuit always selects one system, and when the selected system fails, a switching signal is output to the other system. Data transmission circuit 5GC111, 5
GCIIIB is provided with two circuits, each of which outputs data in parallel so that data can be transmitted to two control devices, making it easy to duplicate the control devices, for example. Further, by connecting the data transmission circuit and the data setting circuit S G 0113 and setting parameters from a higher level, for example, a control device, in the buffer memory of the data setting circuit, parameters can be set from the higher level.

〔発明の効果〕〔Effect of the invention〕

本発明によれば、検出器出力信号の監視制御装置のアナ
ログ入力回路、および、入力処理プログラムを削減でき
、経済的な監視制御システム構成が実現できる。According to the present invention, it is possible to reduce the number of analog input circuits and input processing programs of a monitoring and controlling device for detector output signals, and to realize an economical monitoring and controlling system configuration.

また、検出器信号のデータベースの一元化を図れるため
、入力処理パラメータの管理が簡明となる。Furthermore, since the database of detector signals can be unified, the management of input processing parameters can be simplified.

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

第１図は従来の監視制御システムの構成図、第２図は第
１図の詳細図、第３図は本発明の一実施例のシステム構
成図、第４図は第３図の詳細図、第５図は発明の他の実
施例の構成図である。 １・・・ＢＴＧ盤、２・・・ユニット計算機、Ｃ１，Ｃ
２・・・制御装置、８１１〜Ｓ２ｚ・・・検出器、ＳＣ
・・・信号変換器、ＤＩ−Ｄ２・・・操作端、Ｍｌ−Ｍ
２・・・手動操作回路、３，４１．４２・・・データ伝
送路、５ＧＣＩＩ〜５ＧＣｚｚ・・・入力信号処理装置
。 代理人　弁理士　高橋明夫 第１図 茅２呂 フ ／１　ｌ　ｓ　７７ｆ’を 茅３図 第４図 穿５図 ご〃−２２FIG. 1 is a configuration diagram of a conventional monitoring and control system, FIG. 2 is a detailed diagram of FIG. 1, FIG. 3 is a system configuration diagram of an embodiment of the present invention, and FIG. 4 is a detailed diagram of FIG. 3. FIG. 5 is a block diagram of another embodiment of the invention. 1... BTG board, 2... Unit calculator, C1, C
2...Control device, 811-S2z...Detector, SC
...Signal converter, DI-D2...Operation end, Ml-M
2... Manual operation circuit, 3, 41.42... Data transmission path, 5GCII to 5GCzz... Input signal processing device. Agent Patent Attorney Akio Takahashi Figure 1 Kaya 2 Rofu/1 l s 77f'

Claims (1)

【特許請求の範囲】 １、火力発電所などの発電プラントの監視制御システム
において、 プロセス量検出器からのプロセス信号を１台の入力信号
処理装置に入力し、この入力信号処理装置で信号異常診
断、非線形補正、信号レベル判定の内少なくとも一機能
を行ない、データ伝送する手段と、アナログ信号で出力
する手段と、０Ｎ１０ＦＦ信号で出力する手段とを備え
、検出器出力信号からデータ伝送出力で制御装置に、ア
ナログ信号出力で指示計、記録計に、それぞれ、０Ｎ１
０ＦＦ出力信号で警報回路に出力し、システムを構成す
ることを特徴とする発電プラント監視制御システム。[Claims] 1. In a monitoring control system for a power plant such as a thermal power plant, a process signal from a process quantity detector is input to one input signal processing device, and this input signal processing device performs signal abnormality diagnosis. , nonlinear correction, and signal level determination, and includes means for transmitting data, means for outputting as an analog signal, and means for outputting as a 0N10FF signal, and the controller outputs data transmission from the detector output signal. 0N1 to the indicator and recorder, respectively, with analog signal output.
A power generation plant monitoring and control system comprising a system configured by outputting an 0FF output signal to an alarm circuit.
JP58154905A 1983-08-26 1983-08-26 Monitoring and controlling system for power generation plant Pending JPS6047918A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58154905A JPS6047918A (en) 1983-08-26 1983-08-26 Monitoring and controlling system for power generation plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58154905A JPS6047918A (en) 1983-08-26 1983-08-26 Monitoring and controlling system for power generation plant

Publications (1)

Publication Number Publication Date
JPS6047918A true JPS6047918A (en) 1985-03-15

Family

ID=15594519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58154905A Pending JPS6047918A (en) 1983-08-26 1983-08-26 Monitoring and controlling system for power generation plant

Country Status (1)

Country Link
JP (1) JPS6047918A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60247712A (en) * 1984-04-30 1985-12-07 ウエスチングハウス　エレクトリック　コ−ポレ−ション Diagnostic system
JPH0283706A (en) * 1988-09-21 1990-03-23 Yokogawa Electric Corp Central control unit
CN103034220A (en) * 2012-12-28 2013-04-10 北京四方继保自动化股份有限公司 Power plant integrated controller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60247712A (en) * 1984-04-30 1985-12-07 ウエスチングハウス　エレクトリック　コ−ポレ−ション Diagnostic system
JPH0283706A (en) * 1988-09-21 1990-03-23 Yokogawa Electric Corp Central control unit
CN103034220A (en) * 2012-12-28 2013-04-10 北京四方继保自动化股份有限公司 Power plant integrated controller

Similar Documents

Publication Publication Date Title
JPH1066244A (en) Electric power signal processing system and method thereof
JPS6047918A (en) Monitoring and controlling system for power generation plant
CN213025417U (en) Heavy water reactor protection system
JPS59117602A (en) Backup controller of n:1
JP2809929B2 (en) Test system for plant control equipment
JP2514675Y2 (en) Process control equipment
KR101201463B1 (en) Redundancy control apparatus for nuclear power plant
JP3323011B2 (en) Output area monitor
Du et al. Research on Safety Programmable Controller Based on Dual-CPU Architecture
JPS61153522A (en) Indicator for most probable value
JP2667034B2 (en) Power range neutron flux monitor of reactor
JPS598002A (en) Separate type controller
JPH07253801A (en) Distributed controller
JPS5975352A (en) State monitoring device
JP2718043B2 (en) Data flow calculator
JPH0521036Y2 (en)
JPH07117906B2 (en) Redundant switching device for control system
JPS61155893A (en) Indicator for position of control rod
RU6251U1 (en) IR-60 SIMULATOR FOR DEBUGGING SHIP DIGITAL CONTROL SYSTEMS
JPS61182107A (en) Digital controller
RU253U1 (en) System for selective operational management and control of an energy facility
JPH04336606A (en) Process controller
CN109901505A (en) A kind of automatic control system of factory service control equipment
JPS62134701A (en) Electronic controller
JPS56121169A (en) Duplex system of computer