JPS5991507A - Process controlling system - Google Patents

Process controlling system

Info

Publication number
JPS5991507A
JPS5991507A JP57200637A JP20063782A JPS5991507A JP S5991507 A JPS5991507 A JP S5991507A JP 57200637 A JP57200637 A JP 57200637A JP 20063782 A JP20063782 A JP 20063782A JP S5991507 A JPS5991507 A JP S5991507A
Authority
JP
Japan
Prior art keywords
input
switch
output
process control
inspection
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
JP57200637A
Other languages
Japanese (ja)
Inventor
Saburo Hayato
早戸　三郎
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP57200637A priority Critical patent/JPS5991507A/en
Publication of JPS5991507A publication Critical patent/JPS5991507A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/08—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Strategic Management (AREA)
  • Entrepreneurship & Innovation (AREA)
  • General Engineering & Computer Science (AREA)
  • Economics (AREA)
  • Human Resources & Organizations (AREA)
  • Marketing (AREA)
  • Game Theory and Decision Science (AREA)
  • Educational Administration (AREA)
  • Development Economics (AREA)
  • Mechanical Engineering (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • Tourism & Hospitality (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

PURPOSE:To prevent malfunctions for maintenance and inspection of a process controlling system, by operating a switch provided in an input or output part of a process input/output device to inhibit the transmission of control commands from a process controller to a process device. CONSTITUTION:In case of maintenance and inspection of the process controlling system, a switch 9 provided in an input part 5 of a process input/output device 2 is set. When the switch 9 is set, a process controller 3 handles this setting as the input of one data. Consequently, it is discriminated whether data inputted to the input part of the process input/output device 2 from data output parts 41-4n of a process device 1 or mimic output devices 81-8n is mimic information or information for normal operation on a basis of this data of setting of the switch 9. As the result, control processing functions in the process controller 3 are locked by software to prevent surely malfunctions of the process device.

Description

【発明の詳細な説明】 〔発明の技術分野〕 本発明はプロセス機器と、これを制御するプロセス制御
装置等を含むプロセス制御システムにおいて、このシス
テムを保守点検する際に制御指令のロックを行うプロセ
ス制御システムに関する。[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a process for locking control commands during maintenance and inspection of this system in a process control system including process equipment and a process control device for controlling the same. Regarding control systems.

〔発明の技術的背景とその問題点〕[Technical background of the invention and its problems]

一般にプロセス制御システムは第１図に示すように制御
対象であるプロセス機器１、このプロセス機器ｌとデー
タの授受を行うプロセス入出力装置２、前記プロセス機
器ｌをプロセス入出力装置２を介して制御するプロセス
制御装置３等から構成されている。また、前記プロセス
入出力装置２にはプロセス検器ｌの作動状態、故障のイ
１無、アナログデータ等の各種・清報をプロセス機器ノ
のプロセス１浅器データ出力部４１〜４ｎから人力する
だめの人力部５と、プロセス割？１１１１装置３からの
制御指令を前記プロセス機５Ｊのプロセス１筬器データ
入力部６ノ〜６ｎへ出力するための出力部７が設けられ
ている。Generally, as shown in FIG. 1, a process control system includes a process device 1 to be controlled, a process input/output device 2 that exchanges data with the process device 1, and a process device 1 that controls the process device 1 via the process input/output device 2. It is composed of a process control device 3 and the like. In addition, the process input/output device 2 is manually supplied with various types of information such as the operating status of the process detector 1, whether there is a failure, analog data, etc. from the process 1 shallow data output section 41 to 4n of the process equipment. No-good human resources department 5 and process discount? An output section 7 is provided for outputting control commands from the 1111 device 3 to the process 1 data input sections 6 to 6n of the process machine 5J.

上記の如く構成さルたプロセス制御システムにおいて、
プロセス制御装置、プロセス機器等の各種機器を保守点
検する際に（ｄ、前記プロセス搬器データ出力部４１〜
４ｎ貰たは４莫擬出力装敗８１〜８ｎから枝擬情報を発
生式せ、この８１！擬情報を人力部５を介して前記プロ
セス制御装置３へ入力させる。かくしてプロでスｆｔ１
ｌｌ　８システムにおける前記模擬情報の入出力状態等
の点検事項の石゛耐認を行なう。ところで、前記プロセ
ス制御装置３へ前記模擬情報を送出した際、プロセス１
ｂ１］御装置３がこの模擬・清報を通常運転時の情報と
誤認して、データの記憶やプロセス検器ｌへの判御ル令
送出を行なってしまうと、意図しないプロセス振器の稼
動、停止等の誤動作を生じ、システムに重大な欠陥をも
たらすことになる。従って、この保守点検時には前記プ
ロセス制御装置３内の制御処理機能をロックする必要が
ある。In the process control system configured as described above,
When performing maintenance and inspection of various equipment such as process control equipment and process equipment (d, the process carrier data output unit 41 to
4n received or 4 mosaic output failure 81 ~ Generate branch pseudo information from 8n, this 81! The pseudo information is input to the process control device 3 via the human power section 5. Thus, professional ft1
Inspection items such as the input/output status of the simulated information in the II8 system will be verified. By the way, when the simulation information is sent to the process control device 3, the process 1
b1] If the control device 3 mistakenly recognizes this simulation/clearance information as information during normal operation and stores the data or sends a control command to the process analyzer, unintended operation of the process vibrator may occur. , malfunctions such as stoppage may occur, resulting in serious defects in the system. Therefore, it is necessary to lock the control processing function within the process control device 3 during this maintenance inspection.

一般に、このようなロックは前記プロセス制御装置３内
のデータ処理、制御処理、プログラム等の各種処理プロ
グラムの各々についてモード度更を行うという方法にて
なされている。その結果、このロックを行うのに専門的
知識や多大な手間と時間が必要であるうえ、ロックミス
の発生頻度も多く、この種の保守点検を行いにくくする
大きな要因となっていた。Generally, such locking is achieved by changing the mode of each of various processing programs such as data processing, control processing, and programs in the process control device 3. As a result, locking requires specialized knowledge and a great deal of effort and time, and locking errors occur frequently, which is a major factor that makes it difficult to perform this type of maintenance and inspection.

し発明の目的〕 本発明は上記した問題点に基づきなこれたものであり、
その目的は簡易な手段を設けるのみで、プロセス制御シ
ステムの保守点検時におけるプロセス制御装置への模擬
情報入力に際して、プロセス機器が誤動作することのな
いプロセス？ｌＪ御システムを提供することにある。OBJECT OF THE INVENTION The present invention has been achieved based on the above-mentioned problems,
The purpose is simply to provide a simple means to prevent process equipment from malfunctioning when inputting simulated information to process control equipment during maintenance and inspection of process control systems. Our goal is to provide a lJ control system.

〔発明の概要〕[Summary of the invention]

本発明は上記目的を達成するため、プロセス制御システ
ム保守点検時に、プロセス制御装置のデータ入出力部に
設けられた保守点検用スイッチを操作し、このスイッチ
の状態に応じてソフトウェアにて模擬情報と通常運転時
の情報とを１％別する手段及びプロセス制御装置からプ
ロセス機器に出力される制御指令の伝達経路を遮断する
手段の少なくとも一つの手段を設けることにより、プロ
セス制御装置からプロセスｍ器への制御指令送出を禁止
し、プロセス機器の誤動作を防止するようにしたことを
特徴としている。In order to achieve the above object, the present invention operates a maintenance/inspection switch provided in the data input/output section of a process control device during maintenance and inspection of a process control system, and generates simulated information using software according to the state of this switch. By providing at least one of the following: a means for separating information during normal operation by 1% and a means for cutting off the transmission path of control commands output from the process control device to the process equipment, The system is characterized by prohibiting the sending of control commands to prevent process equipment from malfunctioning.

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

以下、第２図及び第３図を用いて本発明の一’Ｓ　施＝
、ｌであるプロセス制御システムの制御指令ロック方法
について説明を行う。なお、第２図中、第１図と同一部
分には同一符号を付し、詳しい説明は省くことにする。Hereinafter, using FIG. 2 and FIG. 3, the present invention will be described.
, l will be described below. In addition, in FIG. 2, the same parts as in FIG. 1 are given the same reference numerals, and detailed explanation will be omitted.

第２図において第１図と異なる点は、プロセス入出力装
置２の入力部５に保守点検時にセットする保守点検時用
のスイッチ９を設けたことである。The difference in FIG. 2 from FIG. 1 is that a switch 9 for maintenance and inspection, which is set at the time of maintenance and inspection, is provided in the input section 5 of the process input/output device 2.

上記の如くスイッチ９が設けられているため、プロセス
制御装置３はこのスイッチ９０セツト及びリセット状態
を一つのデータとして入力する。そしてこのデータの状
態によって、プロセス機器データ出力部４１〜４ｎまた
は模擬出力装置８１〜８ｎからプロセス入出力装置２の
入力部５に入力するデータが模擬情報か通常運転時の情
報かを判別する。従ってシステムの保守点検時にはこの
スイッチ９をセットし、プロセス制御装置３内の制御処
理機能をソフトウェアにてロックする。また通常のプロ
セス制御を行う際には前記スイッチ９をリセットする。Since the switch 9 is provided as described above, the process control device 3 inputs the set and reset states of the switch 90 as one data. Based on the state of this data, it is determined whether the data input from the process equipment data output units 41 to 4n or the simulation output devices 81 to 8n to the input unit 5 of the process input/output device 2 is simulation information or information during normal operation. Therefore, during maintenance and inspection of the system, this switch 9 is set and the control processing function within the process control device 3 is locked by software. Further, when performing normal process control, the switch 9 is reset.

第３図はこのようなスイッチ９の状態に対応したプロセ
ス制御装置内部の処理を示した流れ図である。FIG. 3 is a flowchart showing the processing inside the process control device corresponding to such a state of the switch 9.

上記の芙施例によれば単にスイッチ９０セツト、リセッ
トのみの操作にて、プロセス制仰装置３内の制御処理機
能がソフトウェアにてロック、またはロック解除される
ため、従来のモード指定変更のような多大な手間をかけ
る必要はなく、またロックミスの発生も容易に防止でき
る。According to the above embodiment, the control processing function in the process control device 3 is locked or unlocked by software by simply setting and resetting the switch 90, which is similar to the conventional mode designation change. There is no need to spend a lot of time and effort, and the occurrence of locking errors can be easily prevented.

なお、上記実施例ではプロセス入出力装置２の人力部５
にスイッチ９を設け、プロセス制御装置３円の制御処理
機能をソフトウェアにてロックしたが、第４図に示すよ
うにプロセス入出力装置２の出力部７にプロセス４幾器
データ入力部６１〜６ｎと直列にスイッチｌＯを設け、
フ。In the above embodiment, the human power section 5 of the process input/output device 2
A switch 9 is installed in the process control device 3 to lock the control processing function of the process control device 3 by software, but as shown in FIG. A switch lO is provided in series with
centre.

ロセス匍ｊ御装置３からプロセス機器１に出力部れる制
御指令の伝達経路を、システムの医守点検時にのみ遮断
してプロセス機器ｌの誤動作を防止しても良いことはい
うまでもがい。It goes without saying that the transmission path of control commands output from the process control device 3 to the process equipment 1 may be interrupted only during medical inspection of the system to prevent malfunctions of the process equipment 1.

〔発明の効果〕〔Effect of the invention〕

以上のように本発明によれば、プロセス入出力装置の入
力部または出力部に設けたスイッチを操作することによ
り、ソフトウェアまたはノー−ドウエアにてプロセス制
御装置からプロセス機器への制御指令造出を禁止するよ
うにしたのでプロセス制御システムの保守点検時におけ
るプロセス制御装置への模扮情報入力に際しても、プロ
セス機器の誤動作を容易かつ確実に防止できるプロセス
制御システムを提供できる。As described above, according to the present invention, by operating the switch provided at the input section or the output section of the process input/output device, a control command can be generated from the process control device to the process equipment using software or nodeware. Since this is prohibited, it is possible to provide a process control system that can easily and reliably prevent malfunctions of process equipment even when impersonation information is input to a process control device during maintenance and inspection of the process control system.

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

第１図は従来のプロセス制御システムの構成を示すブロ
ック図、第２図及び第３図は本発明の一実施例を示す図
で、第２図はプロセス制御システムの構成を示すブロッ
ク図、第３図はプロセス制御装置内部の処理を示す跪れ
図、第４図は本発明の変形例であるプロセス制御システ
ムの一部を示すブロック図である。 ｌ・・・プロセス機器、２・・・プロセス入出力装置、
３・・・フロセス制御装置、４１〜４ｎ・・・プロセス
機器データ出力部、５・・・入力部、６１〜６ｎ・・・
プロセス機器データ入力部、７・・・出力部、８１〜ａ
ｎ・・・模擬出力装置、９，１０・・・スイッチ。 出願人代理人　弁理士　鈴　江　武　彦第　１凹 第　２図 瀉３図 第４図 １６ｎFIG. 1 is a block diagram showing the configuration of a conventional process control system, FIGS. 2 and 3 are diagrams showing an embodiment of the present invention, and FIG. 2 is a block diagram showing the configuration of the process control system. FIG. 3 is a kneeling diagram showing processing inside the process control device, and FIG. 4 is a block diagram showing a part of a process control system that is a modification of the present invention. l...process equipment, 2...process input/output device,
3... Process control device, 41-4n... Process equipment data output section, 5... Input section, 61-6n...
Process equipment data input section, 7...output section, 81-a
n... Simulation output device, 9, 10... Switch. Applicant's agent Patent attorney Takehiko Suzue Figure 1, Figure 2, Figure 3, Figure 4, 16n

Claims (3)

【特許請求の範囲】[Claims] （１）　　プロセス１幾器と、このプロセス機器とデー
タの授受を行う入力部及び出力部を有するプロセス入出
力装置と、このプロセス入出力袋　　：置を介して前記
プロセス機器を制御するプロセス制御装置とからなるプ
ロセス制御システムにおいて、このプロセス制御システ
ムの保守点検時（（おける前記入力部への模擬情報の人
力時に、前記プロセス入出力装置に設けられた保守点検
用スイッチを操作することによりプロセス制御装置から
プロセス機器への制？ｌＡｌ”ヤ令送出を禁止するよう
にしたことを特徴とするプロセスη用御システム。(1) A process input/output device having a number of process devices, an input section and an output section that exchange data with the process device, and a process control device that controls the process device via the process input/output device. In a process control system consisting of 1. A process control system characterized by prohibiting the sending of control commands from a device to process equipment. （２）保守点検用スイッチに入力部Ｖこ設けられ、この
スイッチの状態に応じ、ソフトウェアにて模擬情報と通
常運転時の情報とを区別することを特徴とする特許請求
の範囲第（１）項記載のプロセス制御システム。(2) Claim (1) characterized in that the maintenance/inspection switch is provided with an input section V, and software distinguishes between simulated information and information during normal operation according to the state of the switch. Process control system as described in Section. （３）保守点検スイッチは出力部に設けられ、このスイ
ッチの状態に応じプロセス制御装置からプロセス機器へ
の制御指令信号の伝達経路を遮断することを特徴とする
特許請求の範囲第（１）項記載のプロセス制御システム
。(3) Claim (1) characterized in that the maintenance/inspection switch is provided in the output section and blocks the transmission path of the control command signal from the process control device to the process equipment depending on the state of the switch. Process control system described.
JP57200637A 1982-11-16 1982-11-16 Process controlling system Pending JPS5991507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57200637A JPS5991507A (en) 1982-11-16 1982-11-16 Process controlling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57200637A JPS5991507A (en) 1982-11-16 1982-11-16 Process controlling system

Publications (1)

Publication Number Publication Date
JPS5991507A true JPS5991507A (en) 1984-05-26

Family

ID=16427695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57200637A Pending JPS5991507A (en) 1982-11-16 1982-11-16 Process controlling system

Country Status (1)

Country Link
JP (1) JPS5991507A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61193207A (en) * 1985-02-21 1986-08-27 Mitsubishi Heavy Ind Ltd Digital controller
EP0307192A2 (en) * 1987-09-09 1989-03-15 Hitachi, Ltd. Safeguard arrangement for plant
GB2403819A (en) * 2003-04-01 2005-01-12 Fisher Rosemount Systems Inc Automatic initiation and removal of a field device bypass in a process control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61193207A (en) * 1985-02-21 1986-08-27 Mitsubishi Heavy Ind Ltd Digital controller
EP0307192A2 (en) * 1987-09-09 1989-03-15 Hitachi, Ltd. Safeguard arrangement for plant
GB2403819A (en) * 2003-04-01 2005-01-12 Fisher Rosemount Systems Inc Automatic initiation and removal of a field device bypass in a process control system
GB2403819B (en) * 2003-04-01 2007-01-10 Fisher Rosemount Systems Inc Coordination of field device operations with overrides and bypasses within a process control and safety system

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