JPH0412001U - - Google Patents
Info
- Publication number
- JPH0412001U JPH0412001U JP5231290U JP5231290U JPH0412001U JP H0412001 U JPH0412001 U JP H0412001U JP 5231290 U JP5231290 U JP 5231290U JP 5231290 U JP5231290 U JP 5231290U JP H0412001 U JPH0412001 U JP H0412001U
- Authority
- JP
- Japan
- Prior art keywords
- control signal
- circuit
- protection
- signal line
- transmits
- 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
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Safety Devices In Control Systems (AREA)
Description
第１図は本考案の一実施例のブロツク図である
。
１……制御回路、２……保護回路、３……被制
御回路。
FIG. 1 is a block diagram of one embodiment of the present invention. 1... Control circuit, 2... Protection circuit, 3... Controlled circuit.
Claims (1)
して制御信号を送信し且つ第２の信号線に該制御
信号の送信タイミングを示す保護制御信号を送信
する制御回路と、前記第１の信号線の途中に接続
されており前記保護制御信号が前記制御信号の送
信タイミングを示した期間にだけ前記制御信号を
前記被制御回路に接続させる保護回路とを備えて
いることを特徴とする保護方式。 a control circuit that transmits a control signal to at least one controlled circuit through a first signal line and transmits a protection control signal indicating transmission timing of the control signal to a second signal line; and the first signal line. and a protection circuit connected in the middle of the circuit to connect the control signal to the controlled circuit only during a period in which the protection control signal indicates the transmission timing of the control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5231290U JPH0412001U (en) | 1990-05-18 | 1990-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5231290U JPH0412001U (en) | 1990-05-18 | 1990-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0412001U true JPH0412001U (en) | 1992-01-31 |
Family
ID=31572511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5231290U Pending JPH0412001U (en) | 1990-05-18 | 1990-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412001U (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116525A (en) * | 1981-01-13 | 1982-07-20 | Tokyo Shibaura Electric Co | Protection control device matching system |
| JPS6330901A (en) * | 1986-07-25 | 1988-02-09 | Hitachi Ltd | Protecting device for digital processing circuit |
| JPH01255476A (en) * | 1988-04-01 | 1989-10-12 | Fuji Electric Co Ltd | Controller for electric power conversion device |
| JPH01279301A (en) * | 1988-05-02 | 1989-11-09 | Mitsubishi Electric Corp | Computer decentralizing system |
| JPH03278201A (en) * | 1990-03-28 | 1991-12-09 | Brother Ind Ltd | Protection device for control system |
-
1990
- 1990-05-18 JP JP5231290U patent/JPH0412001U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116525A (en) * | 1981-01-13 | 1982-07-20 | Tokyo Shibaura Electric Co | Protection control device matching system |
| JPS6330901A (en) * | 1986-07-25 | 1988-02-09 | Hitachi Ltd | Protecting device for digital processing circuit |
| JPH01255476A (en) * | 1988-04-01 | 1989-10-12 | Fuji Electric Co Ltd | Controller for electric power conversion device |
| JPH01279301A (en) * | 1988-05-02 | 1989-11-09 | Mitsubishi Electric Corp | Computer decentralizing system |
| JPH03278201A (en) * | 1990-03-28 | 1991-12-09 | Brother Ind Ltd | Protection device for control system |