JPS60104948U - monitoring device - Google Patents
monitoring deviceInfo
- Publication number
- JPS60104948U JPS60104948U JP19801483U JP19801483U JPS60104948U JP S60104948 U JPS60104948 U JP S60104948U JP 19801483 U JP19801483 U JP 19801483U JP 19801483 U JP19801483 U JP 19801483U JP S60104948 U JPS60104948 U JP S60104948U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- monitoring device
- circuit
- relay
- relay circuit
- 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
Landscapes
- Power Sources (AREA)
- Debugging And Monitoring (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は監視装置の構成図、第２図は従来の監視装置の
ＩＯ切替部の回路図、第３図は本考案による監視装置の
一実施例を示すＩＯ切替部の回路構成図を示す。
図中において、１は監視装置、２は操作パネル、３はパ
ネル制御回路、４は記憶部、５はマイクロプロセッサ、
６はＩＯ切替制御部、７はＩＯ切替部、８は回線装置、
９，１０は本体装置、１１．１２はＩＯ郡、１３はアド
レスデコーダ、１４は切替指示回路、１５はコンパレー
タを示す。FIG. 1 is a configuration diagram of a monitoring device, FIG. 2 is a circuit diagram of an IO switching section of a conventional monitoring device, and FIG. 3 is a circuit diagram of an IO switching section showing an embodiment of a monitoring device according to the present invention. . In the figure, 1 is a monitoring device, 2 is an operation panel, 3 is a panel control circuit, 4 is a storage unit, 5 is a microprocessor,
6 is an IO switching control unit, 7 is an IO switching unit, 8 is a line device,
Reference numerals 9 and 10 indicate main units, 11 and 12 indicate IO groups, 13 indicates an address decoder, 14 indicates a switching instruction circuit, and 15 indicates a comparator.
Claims (1)
を有するＩＯ切替部と該切替部に切替指令を指示するＩ
Ｏ切替制御部とを備えた監視装置であって、前記ＩＯ切
替部は前記切替指令を受けるドライバ回路と、該ドライ
バ回路によって動作する自己保持型のリレーより成るリ
レー回路と、該リレー回路に供給される電源を制御する
トランジスタと、該トランジスタのベースに接続され電
源の異常を検出する検出回路とにより形成されたことを
特徴とする監視装置。An IO switching unit having a relay circuit that switches between one IO group and the other IO group, and an I/O switching unit that instructs the switching unit to switch a switching command.
A monitoring device comprising an IO switching control section, wherein the IO switching section includes a driver circuit that receives the switching command, a relay circuit comprising a self-holding relay operated by the driver circuit, and a relay circuit that supplies power to the relay circuit. 1. A monitoring device comprising: a transistor that controls a power source; and a detection circuit that is connected to the base of the transistor and detects an abnormality in the power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19801483U JPS60104948U (en) | 1983-12-23 | 1983-12-23 | monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19801483U JPS60104948U (en) | 1983-12-23 | 1983-12-23 | monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60104948U true JPS60104948U (en) | 1985-07-17 |
Family
ID=30756650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19801483U Pending JPS60104948U (en) | 1983-12-23 | 1983-12-23 | monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60104948U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53148351A (en) * | 1977-05-31 | 1978-12-23 | Fujitsu Ltd | Prevention circuit for relay malfunction |
| JPS5418644A (en) * | 1977-07-13 | 1979-02-10 | Fujitsu Ltd | Auxiliary switching system |
-
1983
- 1983-12-23 JP JP19801483U patent/JPS60104948U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53148351A (en) * | 1977-05-31 | 1978-12-23 | Fujitsu Ltd | Prevention circuit for relay malfunction |
| JPS5418644A (en) * | 1977-07-13 | 1979-02-10 | Fujitsu Ltd | Auxiliary switching system |
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