JPS60112807U

JPS60112807U - Equipment failure diagnosis device

Info

Publication number: JPS60112807U
Application number: JP19884U
Authority: JP
Inventors: 和彦長谷川; 玉野　亨
Original assignee: トヨタ自動車株式会社
Priority date: 1984-01-06
Filing date: 1984-01-06
Publication date: 1985-07-31

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の構成を説明するためのブロック図、第
２図は本考案に係る設備故障診断装置の一実施例を示す
概要図、第３図は従来の設備故障診断を説明するための
シーケンス回路図、第４図は本考案による設備故障診断
を説明するためのシーケンス回路図、第５図、第６図、
第７図、第８図は第２図のプログラマブルコントローラ
内オヨび設備診断装置内に設けられるメモリの領域を示
す図、第９図〜第１３図は第２図の設備診断装置の動作
を説明するためのフローチャートである。１ニジリンダ、２：バルブ、３：プログラマブルコント
ローラ、４−０〜４−に二人出力カード、ＬＳＱ、ＬＳ
ｌ：リミットスイッチ（入力系）、５ＯＬＱ　、　ＳＱ
Ｌ　ｌ　：ソレノイド（出力系）、Ｒｏ、　Ｒ□−＊、
　Ｗｏ、　Ｗｌ、−：内部リレー。「寸−一一一士一−−−−−」−−’＋”ｗ　　　１−
）、、１ｏｏ１上１００２　　　　　第１０図 □−１□−ト］■Fig. 1 is a block diagram for explaining the configuration of the present invention, Fig. 2 is a schematic diagram showing an embodiment of the equipment failure diagnosis device according to the invention, and Fig. 3 is for explaining conventional equipment failure diagnosis. 4 is a sequence circuit diagram for explaining equipment failure diagnosis according to the present invention, FIGS. 5 and 6,
Figures 7 and 8 are diagrams showing the memory areas provided in the programmable controller and equipment diagnostic device in Figure 2, and Figures 9 to 13 explain the operation of the equipment diagnostic device in Figure 2. This is a flowchart for 1 Niji cylinder, 2: Valve, 3: Programmable controller, 4-0 to 4- two output cards, LSQ, LS
l: Limit switch (input system), 5OLQ, SQ
L l: Solenoid (output system), Ro, R□-*,
Wo, Wl, -: Internal relay. “Sun-11-1-1--”--'+”w 1-
),,1oo1 Top 1002 Figure 10□-1□-t]■

Claims

[Scope of utility model registration request]

In an equipment failure diagnosis device for diagnosing the cause of failure of one or more equipment, an internal state monitoring means provided for each of the equipment and monitoring the state of a predetermined part of the saving equipment;
Based on the contents of a timer means provided for each piece of equipment to count the cycle time of the equipment, and a means for monitoring the internal state of the corresponding piece of equipment that is commonly provided for each piece of equipment and is started by the timer means. It is characterized by comprising a failure cause detection means for detecting a failure cause by executing a common failure diagnosis calculation, and a diagnosis result notification means provided for each of the equipment and for notifying the failure cause detection result by the failure cause detection means. equipment failure diagnosis device.