JPS6154280U - - Google Patents
Info
- Publication number
- JPS6154280U JPS6154280U JP13784184U JP13784184U JPS6154280U JP S6154280 U JPS6154280 U JP S6154280U JP 13784184 U JP13784184 U JP 13784184U JP 13784184 U JP13784184 U JP 13784184U JP S6154280 U JPS6154280 U JP S6154280U
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- input
- output port
- contact signal
- state
- 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
- 230000002159 abnormal effect Effects 0.000 claims 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Tests Of Electronic Circuits (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図は同実施例におけるプログラム制御を示す流
れ図、第３図〜第５図はこの考案の他の実施例を
示す回路図、第６図は従来例を示す回路図、第７
図は同従来例におけるプログラム制御を示す流れ
図である。
１１……マイクロコンピユータ、１２……接点
スイツチ、１３，１４……抵抗、１６……トラン
ジスタ、１７……出力ラツチ。
Fig. 1 is a circuit diagram showing one embodiment of this invention, Fig. 2 is a flowchart showing program control in the same embodiment, and Figs. 3 to 5 are circuit diagrams showing other embodiments of this invention. Figure 6 is a circuit diagram showing a conventional example, and Figure 7 is a circuit diagram showing a conventional example.
The figure is a flowchart showing program control in the conventional example. 11...Microcomputer, 12...Contact switch, 13, 14...Resistor, 16...Transistor, 17...Output latch.
Claims (1)
フ制御することによつて入出力ポートをハイレベ
ル、ローレベルに設定することが可能なマイクロ
コンピユータと、このマイクロコンピユータで制
御される装置の異常状態を検出して動作する接点
スイツチを設け、その接点スイツチの動作に応じ
て発生する接点信号を前記入出力ポートに供給す
る接点信号発生回路とを有し、前記マイクロコン
ピユータは前記トランジスタをオン、オフ制御し
、それぞれオン時、オフ時おける前記入出力ポー
トのレベル状態を取込んで制御装置の正常及び異
常状態を判別することを特徴とするマイクロコン
ピユータを使用した状態判別装置。 A microcomputer that can set input/output ports to high and low levels by turning on and off the transistors housed inside, and detecting abnormal conditions in devices controlled by this microcomputer. and a contact signal generation circuit that supplies a contact signal generated in response to the operation of the contact switch to the input/output port, and the microcomputer controls the transistor on and off. A state determination device using a microcomputer, characterized in that it determines whether a control device is in a normal or abnormal state by reading the level state of the input/output port when it is on or off, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13784184U JPH0537256Y2 (en) | 1984-09-13 | 1984-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13784184U JPH0537256Y2 (en) | 1984-09-13 | 1984-09-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6154280U true JPS6154280U (en) | 1986-04-11 |
| JPH0537256Y2 JPH0537256Y2 (en) | 1993-09-21 |
Family
ID=30696245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13784184U Expired - Lifetime JPH0537256Y2 (en) | 1984-09-13 | 1984-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537256Y2 (en) |
-
1984
- 1984-09-13 JP JP13784184U patent/JPH0537256Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537256Y2 (en) | 1993-09-21 |
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