JPH03124202U - - Google Patents
Info
- Publication number
- JPH03124202U JPH03124202U JP3323390U JP3323390U JPH03124202U JP H03124202 U JPH03124202 U JP H03124202U JP 3323390 U JP3323390 U JP 3323390U JP 3323390 U JP3323390 U JP 3323390U JP H03124202 U JPH03124202 U JP H03124202U
- Authority
- JP
- Japan
- Prior art keywords
- programmable controller
- signal
- abnormality detection
- information signal
- programmable
- 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
- 230000005856 abnormality Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Programmable Controllers (AREA)
Description
第１図は本考案実施例の回路構成を示すブロツ
ク図、第２図は従来例のシステム構成を示すブロ
ツク図である。
１０……中央演算処理装置（ＣＰＵ）、３０…
…入出力インタフエース、６０……入出力装置、
１００……保持回路、１１０……制御回路、１２
０……レベル変換回路。
FIG. 1 is a block diagram showing the circuit configuration of an embodiment of the present invention, and FIG. 2 is a block diagram showing the system configuration of a conventional example. 10... central processing unit (CPU), 30...
...I/O interface, 60...I/O device,
100...Holding circuit, 110...Control circuit, 12
0...Level conversion circuit.
Claims (1)
の間で授受する情報信号を転送し、転送先の信号
レベルに前記情報信号とレベル変換するプログラ
マブルコントローラの入出力装置において、前記
プログラマブルコントローラから受信する情報信
号または当該プログラマブルコントローラへ送信
する情報信号を保持する保持手段と、前記プログ
ラマブルコントローラの書き込み指示信号により
当該プログラマブルコントローラから送信の異常
検知用信号を前記保持手段に保持させ、前記プロ
グラマブルコントローラの読出し指示信号により
当該保持手段に保持された異常検知用信号を前記
プログラマブルコントローラに応答送信する制御
手段とを具えたことを特徴とするプログラマブル
コントローラの入出力装置。 In an input/output device of a programmable controller that transfers an information signal exchanged between a programmable controller and a controlled device and converts the level of the information signal to the signal level of the transfer destination, the information signal received from the programmable controller or the programmable a holding means for holding an information signal to be transmitted to a controller; a write instruction signal from the programmable controller causes the holding means to hold an abnormality detection signal transmitted from the programmable controller; and a read instruction signal from the programmable controller causes the holding means to hold an abnormality detection signal transmitted from the programmable controller; An input/output device for a programmable controller, comprising: a control means for responding and transmitting an abnormality detection signal held in the programmable controller to the programmable controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3323390U JPH087442Y2 (en) | 1990-03-29 | 1990-03-29 | Input / output device of programmable controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3323390U JPH087442Y2 (en) | 1990-03-29 | 1990-03-29 | Input / output device of programmable controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03124202U true JPH03124202U (en) | 1991-12-17 |
| JPH087442Y2 JPH087442Y2 (en) | 1996-03-04 |
Family
ID=31536733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3323390U Expired - Lifetime JPH087442Y2 (en) | 1990-03-29 | 1990-03-29 | Input / output device of programmable controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087442Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121510A (en) * | 2008-11-19 | 2010-06-03 | Denso Corp | Metal ion removing device |
-
1990
- 1990-03-29 JP JP3323390U patent/JPH087442Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121510A (en) * | 2008-11-19 | 2010-06-03 | Denso Corp | Metal ion removing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH087442Y2 (en) | 1996-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH03124202U (en) | ||
| JPH0444790U (en) | ||
| JPS58167903U (en) | Sequence controller input/output device | |
| JPH01156678U (en) | ||
| JPS63135436U (en) | ||
| JPS6219264U (en) | ||
| JPS6142649U (en) | data transfer device | |
| JPS6353153U (en) | ||
| JPS6446840U (en) | ||
| JPS61168444U (en) | ||
| JPH01173857U (en) | ||
| JPS62169851U (en) | ||
| JPS6214541U (en) | ||
| JPS61138059U (en) | ||
| JPH0444047U (en) | ||
| JPH0334148U (en) | ||
| JPH0268541U (en) | ||
| JPS61180338U (en) | ||
| JPS63139647U (en) | ||
| JPH0187401U (en) | ||
| JPS6044109U (en) | Output device for automatic control equipment | |
| JPS63276941A (en) | Data transfer control system | |
| JPS5897605U (en) | Controller for batch processing using multiprocessor | |
| JPS6348254U (en) | ||
| JPH0337543U (en) |