JPS6380647U - - Google Patents
Info
- Publication number
- JPS6380647U JPS6380647U JP17446586U JP17446586U JPS6380647U JP S6380647 U JPS6380647 U JP S6380647U JP 17446586 U JP17446586 U JP 17446586U JP 17446586 U JP17446586 U JP 17446586U JP S6380647 U JPS6380647 U JP S6380647U
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- counter
- pulse
- reset
- reset pulse
- 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
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Debugging And Monitoring (AREA)
Description
第１図は本考案の一実施例の安全回路のブロツ
ク図、第２図は同マイコンにプログラムされたシ
ーケンスのフローチヤート図である。
３…マイコン、４…カウンター、５…パルス発
生回路、６…カウンターパルス、８…リセツトパ
ルス。
FIG. 1 is a block diagram of a safety circuit according to an embodiment of the present invention, and FIG. 2 is a flowchart of a sequence programmed into the microcomputer. 3...Microcomputer, 4...Counter, 5...Pulse generation circuit, 6...Counter pulse, 8...Reset pulse.
Claims (1)
ルス発生回路５とを設け、マイコン３及びパルス
発生回路５から一定周期でリセツトパルス７及び
カウンターパルス６をカウンター４に入力してカ
ウンター４をリセツトし、又カウンター４の出力
をマイコン３のリセツトパルス８としてマイコン
３に接続し、マイコン３からのリセツトパルス７
がとだえた時カウンター４からリセツトパルス８
をマイコン３に入力してマイコン３を停止させる
ことを特徴とするマイコンの暴走安全回路。 A counter 4 and a pulse generation circuit 5 are provided as an external circuit for the microcomputer 3, and a reset pulse 7 and a counter pulse 6 are inputted to the counter 4 at a constant period from the microcomputer 3 and the pulse generation circuit 5 to reset the counter 4. 4 is connected to the microcomputer 3 as the reset pulse 8 of the microcomputer 3, and the reset pulse 7 from the microcomputer 3 is connected to the microcomputer 3.
When it stops, reset pulse 8 from counter 4
A runaway safety circuit for a microcomputer is characterized in that the microcomputer 3 is inputted to stop the microcomputer 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17446586U JPS6380647U (en) | 1986-11-13 | 1986-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17446586U JPS6380647U (en) | 1986-11-13 | 1986-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6380647U true JPS6380647U (en) | 1988-05-27 |
Family
ID=31112870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17446586U Pending JPS6380647U (en) | 1986-11-13 | 1986-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6380647U (en) |
-
1986
- 1986-11-13 JP JP17446586U patent/JPS6380647U/ja active Pending