JPH0452206U - - Google Patents
Info
- Publication number
- JPH0452206U JPH0452206U JP9188490U JP9188490U JPH0452206U JP H0452206 U JPH0452206 U JP H0452206U JP 9188490 U JP9188490 U JP 9188490U JP 9188490 U JP9188490 U JP 9188490U JP H0452206 U JPH0452206 U JP H0452206U
- Authority
- JP
- Japan
- Prior art keywords
- measurement mode
- control system
- outputs
- microcomputer
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 7
- 230000005856 abnormality Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000002955 isolation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Description
第１図はこの考案の一実施例を示す制御システ
ムの環境監視装置の構成を示すブロツク図、第２
図はアナログ入力信号の処理手段を示すフローチ
ヤート、第３図は瞬間停電検出回路における処理
手段を示すフローチヤートである。
１……ワンチツプ・マイコン、２……表示装置
（ＬＣＤ，ＬＥＤ）、３……キーボード、４……
カレンダ・タイマー、７……直流変換回路、９…
…瞬間停電検出回路、１０……ＡＣ電圧検出回路
、１１……ＤＩフオト・アイソレーシヨン、１２
……ＤＣ電圧インターフエース、１３……ＤＯフ
オト・アイソレーシヨン、１４……ＯＮ／ＯＦＦ
フオト・アイソレーシヨン、１５，１６……温度
センサ・インターフエース、１７，１８，１９，
２０……コネクタ、。
Fig. 1 is a block diagram showing the configuration of an environment monitoring device of a control system showing one embodiment of this invention;
The figure is a flowchart showing the processing means for analog input signals, and FIG. 3 is a flowchart showing the processing means in the instantaneous power failure detection circuit. 1... One-chip microcomputer, 2... Display device (LCD, LED), 3... Keyboard, 4...
Calendar/timer, 7...DC conversion circuit, 9...
...Momentary power failure detection circuit, 10...AC voltage detection circuit, 11...DI photo isolation, 12
...DC voltage interface, 13...DO photo isolation, 14...ON/OFF
Photo isolation, 15, 16...Temperature sensor interface, 17, 18, 19,
20... Connector.
Claims (1)
ると共に異常時における電源状況を検出する複数
個の検出回路と、制御システムの設置環境に関す
る情報を常時監視する複数個の検出回路と、被制
御機器の稼動状況を常時監視する複数個の検出回
路およびマイクロコンピユータへの指令信号を出
力するキーボードより成る入力装置と、 上記それぞれの入力装置からの入力信号を定時
間測定モード、割り込み測定モード、最大値／最
小値測定モードおよび上下限比較測定モード等の
測定モードによつて処理し、表示用、記録用、ア
ラーム用およびＯＮ／ＯＦＦ制御用の信号を出力
するカレンダ・タイマを備えたマイクロコンピユ
ータと、 上記出力信号を上記測定モードに従つて印字す
るプリンタと、測定データと動作状況を表示する
ＬＥＤおよびＬＣＤより成る表示装置と、設定し
た時間にＯＮ／ＯＦＦ信号を出力するタイマーお
よびアラーム信号を出力する警報装置等より成る
出力装置と、 バツクアツプ電池を備えた交流入力電源の直流
変換回路と、 によつて構成したことを特徴とする制御システム
の環境監視装置。 ２ 請求項１に記載の制御システムの環境監視装
置であつて、マイクロコンピユータにワンチツプ
・マイコンを使用し携帯型としたことを特徴とす
る制御システムの環境監視装置。[Claims for Utility Model Registration] 1. A plurality of detection circuits that constantly monitor the AC input power to the control system and detect the power supply status in the event of an abnormality, and a plurality of detection circuits that constantly monitor information regarding the installation environment of the control system. An input device consisting of a detection circuit, multiple detection circuits that constantly monitor the operating status of the controlled equipment, and a keyboard that outputs command signals to the microcomputer, and a fixed-time measurement mode for input signals from each of the above input devices. , interrupt measurement mode, maximum value/minimum value measurement mode, upper/lower limit comparison measurement mode, and other measurement modes, and outputs signals for display, recording, alarm, and ON/OFF control. A microcomputer equipped with a printer that prints the output signal according to the measurement mode, a display device consisting of an LED and an LCD that displays the measurement data and operating status, and outputs an ON/OFF signal at a set time. 1. An environment monitoring device for a control system, comprising: an output device consisting of a timer, an alarm device, etc. that outputs an alarm signal; and a DC conversion circuit for an AC input power source equipped with a backup battery. 2. The environment monitoring device for a control system according to claim 1, characterized in that the microcomputer is a one-chip microcomputer and is portable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9188490U JP2548397Y2 (en) | 1990-08-31 | 1990-08-31 | Environmental monitoring equipment for control systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9188490U JP2548397Y2 (en) | 1990-08-31 | 1990-08-31 | Environmental monitoring equipment for control systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0452206U true JPH0452206U (en) | 1992-05-01 |
| JP2548397Y2 JP2548397Y2 (en) | 1997-09-17 |
Family
ID=31827904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9188490U Expired - Lifetime JP2548397Y2 (en) | 1990-08-31 | 1990-08-31 | Environmental monitoring equipment for control systems |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2548397Y2 (en) |
-
1990
- 1990-08-31 JP JP9188490U patent/JP2548397Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2548397Y2 (en) | 1997-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |