JPS59142807U

JPS59142807U - process control equipment

Info

Publication number: JPS59142807U
Application number: JP3662383U
Authority: JP
Inventors: 宮本　幸司朗; 安司佐藤; 舘谷　清孝
Original assignee: 株式会社宮本工業所; 株式会社東芝
Priority date: 1983-03-14
Filing date: 1983-03-14
Publication date: 1984-09-25

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来におけるプロセス制御装置の構成図、第２
図および第３図はプログラム制御による従来のプロセス
制御装置の構成図、第４図は本考案に係るプロセス制御
装置の一実施例を示す構成図、第５図は本装置における
動作を説明するための図である。１０・・・検出端、１１・・・調節計、１２・・・操作
端、１３・・・プログラム発生部、１４・・・上限演算
部、１５・・・下限演算部、１６・・田−・セレクタ、
１７、・・・ハイ・セレクタ、２０・・・設定部。Figure 1 is a configuration diagram of a conventional process control device;
3 and 3 are block diagrams of a conventional process control device using program control, FIG. 4 is a block diagram showing an embodiment of the process control device according to the present invention, and FIG. 5 is a block diagram for explaining the operation of this device. This is a diagram. DESCRIPTION OF SYMBOLS 10...Detection end, 11...Controller, 12...Operation end, 13...Program generation part, 14...Upper limit calculation part, 15...Lower limit calculation part, 16...Ta- ·selector,
17, . . . high selector, 20 . . . setting section.

Claims

[Scope of utility model registration request]

A setting unit that sets a target value, a detection end that detects a process amount in the plant, and a detection signal of the one target value and the detection end are inputted, and an adjustment signal is outputted to make this detection signal equal to the target value. A controller, a program generating section that presets the control pattern of the plant as a control program, and calculating an upper limit M limit value of the $ control pattern from the output value of the program generating section and a first limit constant. an upper limit calculation section; a lower limit calculation section that calculates a lower limit value of the control pattern from the output value of the program generation section and a second limit constant; and an output signal of the upper limit value of the upper limit calculation section and the controller. and a low selector that selects and outputs a small value input, and inputs the signal from this low selector and the lower limit value of the lower limit calculation section, and sends the large value input as an operation signal to the operating end. Output high
A process control device comprising a selector.