JPH022705U - - Google Patents
Info
- Publication number
- JPH022705U JPH022705U JP7724688U JP7724688U JPH022705U JP H022705 U JPH022705 U JP H022705U JP 7724688 U JP7724688 U JP 7724688U JP 7724688 U JP7724688 U JP 7724688U JP H022705 U JPH022705 U JP H022705U
- Authority
- JP
- Japan
- Prior art keywords
- counter
- programmable controller
- internal logic
- noise
- sensing device
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Programmable Controllers (AREA)
Description
第１図は、本考案ＰＣのノイズセンス装置の一
実施例を示すブロツク図、第２図はその実施例を
適用したＰＣシステムの構成例を示すブロツク図
である。
１……カウンタ、２……カウンタ、３……入力
信号端子、４……ノイズ検出信号線、５……出力
信号端子、６……ＰＣシステム、７……入出力デ
ータバス、８……基本ユニツト、９……入出力ユ
ニツト、１０……外部入出力機器、１１……プロ
セツサ、１２……システムバス。
FIG. 1 is a block diagram showing an embodiment of a noise sensing device for a PC of the present invention, and FIG. 2 is a block diagram showing an example of the configuration of a PC system to which the embodiment is applied. 1... Counter, 2... Counter, 3... Input signal terminal, 4... Noise detection signal line, 5... Output signal terminal, 6... PC system, 7... Input/output data bus, 8... Basic unit, 9...input/output unit, 10...external input/output device, 11...processor, 12...system bus.
Claims (1)
に対して配設され、該内部ロジツクと同一のスレ
ツシヨルドレベルで動作するカウンタを有し、該
カウンタのカウントクロツク入力端子をノイズ検
出端子としたことを特徴とするプログラマブルコ
ントローラのノイズセンス装置。 It is characterized in that it has a counter that is disposed for the internal logic section of the programmable controller and operates at the same threshold level as the internal logic, and that the count clock input terminal of the counter is used as a noise detection terminal. Noise sensing device for programmable controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7724688U JPH022705U (en) | 1988-06-13 | 1988-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7724688U JPH022705U (en) | 1988-06-13 | 1988-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH022705U true JPH022705U (en) | 1990-01-10 |
Family
ID=31302242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7724688U Pending JPH022705U (en) | 1988-06-13 | 1988-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022705U (en) |
-
1988
- 1988-06-13 JP JP7724688U patent/JPH022705U/ja active Pending
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