JPS6316302U - - Google Patents
Info
- Publication number
- JPS6316302U JPS6316302U JP10741686U JP10741686U JPS6316302U JP S6316302 U JPS6316302 U JP S6316302U JP 10741686 U JP10741686 U JP 10741686U JP 10741686 U JP10741686 U JP 10741686U JP S6316302 U JPS6316302 U JP S6316302U
- Authority
- JP
- Japan
- Prior art keywords
- analog
- limit value
- abnormality detection
- circuit
- lower limit
- 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 4
- 230000005856 abnormality Effects 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Safety Devices In Control Systems (AREA)
- Selective Calling Equipment (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図はこの考案の動作を説明するのに各種の断線
状態を示す回路図、第３図は従来のリモートコン
トロールシステムを示す回路図である。
２１……制御部、２２……送信部、２２２……
アナログデジタル変換器、２３……受信部、２４
……クレーン車、３０……以上検出回路。
Fig. 1 is a circuit diagram showing an embodiment of this invention, Fig. 2 is a circuit diagram showing various disconnection states to explain the operation of this invention, and Fig. 3 is a circuit diagram showing a conventional remote control system. It is. 21...Control unit, 22...Transmission unit, 222...
Analog-digital converter, 23... Receiving section, 24
...Crane truck, 30... or more detection circuit.
Claims (1)
給回路と、このアナログ電圧供給回路からのアナ
ログ電圧をデジタル信号に変換するアナログデジ
タル変換回路と、このアナログデジタル変換回路
の出力デジタル信号の所定の上限値と下限値とを
検出する異常検出回路と、この異常検出回路が前
記上限値または下限値を検出したときに前記アナ
ログデジタル変換回路の動作を停止する手段とを
具備したことを特徴とするアナログ量異常検出装
置。 An analog voltage supply circuit having an analog potential adjustment function, an analog-digital conversion circuit that converts the analog voltage from the analog voltage supply circuit into a digital signal, and predetermined upper and lower limit values of the output digital signal of the analog-digital conversion circuit. An analog quantity abnormality detection device comprising: an abnormality detection circuit that detects the upper limit value or the lower limit value; and means for stopping the operation of the analog-to-digital conversion circuit when the abnormality detection circuit detects the upper limit value or the lower limit value. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986107416U JPH074642Y2 (en) | 1986-07-15 | 1986-07-15 | Analog quantity abnormality detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986107416U JPH074642Y2 (en) | 1986-07-15 | 1986-07-15 | Analog quantity abnormality detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6316302U true JPS6316302U (en) | 1988-02-03 |
| JPH074642Y2 JPH074642Y2 (en) | 1995-02-01 |
Family
ID=30983678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986107416U Expired - Lifetime JPH074642Y2 (en) | 1986-07-15 | 1986-07-15 | Analog quantity abnormality detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH074642Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0363801A (en) * | 1989-08-02 | 1991-03-19 | Tokyo Gas Co Ltd | Control mechanism for controller |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60103401A (en) * | 1983-11-11 | 1985-06-07 | Toshiba Corp | Process control computer |
-
1986
- 1986-07-15 JP JP1986107416U patent/JPH074642Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60103401A (en) * | 1983-11-11 | 1985-06-07 | Toshiba Corp | Process control computer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0363801A (en) * | 1989-08-02 | 1991-03-19 | Tokyo Gas Co Ltd | Control mechanism for controller |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH074642Y2 (en) | 1995-02-01 |