JPS6390812U - - Google Patents
Info
- Publication number
- JPS6390812U JPS6390812U JP18695886U JP18695886U JPS6390812U JP S6390812 U JPS6390812 U JP S6390812U JP 18695886 U JP18695886 U JP 18695886U JP 18695886 U JP18695886 U JP 18695886U JP S6390812 U JPS6390812 U JP S6390812U
- Authority
- JP
- Japan
- Prior art keywords
- input
- output port
- switching element
- control signal
- electromagnetic plunger
- 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
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Electronic Switches (AREA)
- Relay Circuits (AREA)
Description
第1図は本考案の一実施例の電磁プランジヤ1
の保護装置2の電気的構成を示すブロツク図、第
2図は第1図に示された保護装置2の動作を説明
するためのフローチヤートである。
1…電磁プランジヤ、2…保護装置、3…コイ
ル、4…プランジヤ、5…磁気テープ走行機構、
11…リレー、14,21…トランジスタ、15
…1チツプマイクロコンピユータ、16…電源制
御ポート、17…プランジヤ入出力ポート、18
…処理回路、37,38…バツフア、35…アキ
ユームレータ、36…出力ラツチ回路。
Figure 1 shows an electromagnetic plunger 1 according to an embodiment of the present invention.
FIG. 2 is a flowchart for explaining the operation of the protection device 2 shown in FIG. 1. DESCRIPTION OF SYMBOLS 1... Electromagnetic plunger, 2... Protective device, 3... Coil, 4... Plunger, 5... Magnetic tape running mechanism,
11... Relay, 14, 21... Transistor, 15
...1 chip microcomputer, 16...power control port, 17...plunger input/output port, 18
...processing circuit, 37, 38...buffer, 35...accumulator, 36...output latch circuit.
Claims (1)
子を有し、その制御端子に制御信号が入力される
と、スイツチング態様が変化するスイツチング素
子と、 前記制御端子に接続される入出力ポートを有し
、その入出力ポートから前記制御信号を出力し、
かつ入出力ポートの論理状態を判別する処理動作
を行なう1チツプマイクロコンピユータとを含み
、 前記1チツプマイクロコンピユータからの制御
信号によつて、前記スイツチング素子を制御する
とともに、このスイツチング素子の導通状態が、
予め定めた以上に継続したときに入出力ポートか
らスイツチング素子を遮断する出力を導出するこ
とを特徴とする電磁プランジヤの保護装置。[Claims for Utility Model Registration] An electromagnetic plunger; a switching element having a control terminal connected in series to the electromagnetic plunger and whose switching mode changes when a control signal is input to the control terminal; and the control element. It has an input/output port connected to the terminal, and outputs the control signal from the input/output port,
and a one-chip microcomputer that performs a processing operation to determine the logical state of an input/output port, and the switching element is controlled by a control signal from the one-chip microcomputer, and the conduction state of the switching element is determined. ,
A protection device for an electromagnetic plunger, characterized in that an output for cutting off a switching element is derived from an input/output port when the device continues for a predetermined period of time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986186958U JPH0429527Y2 (en) | 1986-12-04 | 1986-12-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986186958U JPH0429527Y2 (en) | 1986-12-04 | 1986-12-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6390812U true JPS6390812U (en) | 1988-06-13 |
JPH0429527Y2 JPH0429527Y2 (en) | 1992-07-17 |
Family
ID=31136990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986186958U Expired JPH0429527Y2 (en) | 1986-12-04 | 1986-12-04 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0429527Y2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58100406A (en) * | 1981-12-09 | 1983-06-15 | Matsushita Electric Ind Co Ltd | Protection device for plunger drive circuit |
JPS60143610A (en) * | 1983-12-29 | 1985-07-29 | Nec Home Electronics Ltd | Solenoid driving circuit |
-
1986
- 1986-12-04 JP JP1986186958U patent/JPH0429527Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58100406A (en) * | 1981-12-09 | 1983-06-15 | Matsushita Electric Ind Co Ltd | Protection device for plunger drive circuit |
JPS60143610A (en) * | 1983-12-29 | 1985-07-29 | Nec Home Electronics Ltd | Solenoid driving circuit |
Also Published As
Publication number | Publication date |
---|---|
JPH0429527Y2 (en) | 1992-07-17 |
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