JPH01273200A - Maintenance warning display device - Google Patents

Maintenance warning display device

Info

Publication number
JPH01273200A
JPH01273200A JP10328488A JP10328488A JPH01273200A JP H01273200 A JPH01273200 A JP H01273200A JP 10328488 A JP10328488 A JP 10328488A JP 10328488 A JP10328488 A JP 10328488A JP H01273200 A JPH01273200 A JP H01273200A
Authority
JP
Japan
Prior art keywords
diagnostic
pressed
display device
alarm
key
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
Application number
JP10328488A
Other languages
Japanese (ja)
Inventor
Takahiko Kikukawa
隆彦 菊川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP10328488A priority Critical patent/JPH01273200A/en
Publication of JPH01273200A publication Critical patent/JPH01273200A/en
Pending legal-status Critical Current

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  • Alarm Systems (AREA)

Abstract

PURPOSE:To display an alarm signal from the outside even when a diagnostic key is not pressed again forgetfully so as to reset a diagnostic mode or pressed unconsciously by resetting the diagnostic mode at a certain time after the diagnostic key is pressed. CONSTITUTION:When the diagnostic key 34 is pressed, a diagnostic start circuit 35 sets a control circuit 33 in the diagnostic mode and also starts a timer 36. Then the control circuit 33 allows the maintenance warning display device 3 to diagnose itself. Then when the timer 36 outputs a diagnostic mode reset signal the preset time later, the diagnostic start circuit 35 resets the diagnostic mode of the control circuit 33 and the maintenance warning display device 3 gets ready to receive the alarm signal from an exchange 1. Consequently, an alarm display is made from the outside even if the diagnostic key is not pressed forgetfully after the diagnosis or pressed unconsciously.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は保守警報表示装置に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a maintenance warning display device.

〔従来の技術〕[Conventional technology]

従来、この種の保守υ報表示装置では、診断キーを押下
して自己診断を行なった後、再度診断キーを押下して診
断モードを解除してアラーム表示モードにしたときだけ
外部からのアラーム信号を判別してアラーム種別の表示
を行なっていた。Conventionally, in this type of maintenance information display device, after pressing the diagnosis key to perform a self-diagnosis, the alarm signal from the outside is sent only when the diagnosis key is pressed again to cancel the diagnosis mode and switch to alarm display mode. The alarm type was displayed by determining the alarm type.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

上述した従来の保守警報表示装置は、−度診断モードに
なると、診断キーを再押下しない限り診断モードが解除
されないので、診断終了後に診断キーを押し忘れたとき
や、無意識に診断キーを押してしまったときには、外部
からアラーム信号を受信したときいつまでたってもアラ
ーム表示を行なえないという欠点がある。In the conventional maintenance alarm display device described above, once the diagnostic mode is entered, the diagnostic mode cannot be canceled unless the diagnostic key is pressed again. However, when an alarm signal is received from the outside, the alarm cannot be displayed forever.

〔課題を解決するための手段〕[Means to solve the problem]

本発明の保守警報表示装置は、診断キーを押下したとき
診断モードを設定して自己診断を行なう機能を有する保
守警報表示装置において、前記診断キー押下時点から一
定時間を経過したとき前記診断モードを解除する診断モ
ード解除手段を備えている。The maintenance alarm display device of the present invention has a function of setting a diagnosis mode and performing self-diagnosis when a diagnosis key is pressed, and the maintenance alarm display device sets the diagnosis mode when a certain period of time has elapsed from the time when the diagnosis key is pressed. It is equipped with means for canceling the diagnostic mode.

〔実施例〕〔Example〕

次に、本発明について図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.

第１図は本発明の保守警報表示装置の一実施例を示すブ
ロック図である。FIG. 1 is a block diagram showing an embodiment of the maintenance warning display device of the present invention.

第１図において、交換機１とアラーム信号線２を介して
接続された保守警報表示装置３は、アラーム信号線２か
らの交換機１のアラーム信号を受信するアラーム信号受
信回路３１と、その出力からアラーム種類を判別するア
ラーム信号選択回路３２と、その選択されたアラーム種
類信号に基づいてアラーム表示部３７に表示を行なう制
御回路３３と、診断キー３４を押下したとき制御回路３
３を診断モードに設定する診断起動回路３５と、診断キ
ー３４の押下時点から一定時間経過した時に診断モード
解除信号を出力するタイマ３６とを備える。なお、制御
回路３３は診断モードに設定されたときアラーム信号ｉ
ｚ択回路３２．アラーム表示部３７を含む保守警報表示
装置３の自己診断処理をも行なう。In FIG. 1, a maintenance alarm display device 3 connected to an exchange 1 via an alarm signal line 2 includes an alarm signal receiving circuit 31 which receives an alarm signal from the exchange 1 from an alarm signal line 2, and an alarm signal receiving circuit 31 which receives an alarm signal from the exchange 1 from an alarm signal line 2. An alarm signal selection circuit 32 that discriminates the type, a control circuit 33 that displays on the alarm display section 37 based on the selected alarm type signal, and a control circuit 3 that displays when the diagnostic key 34 is pressed.
3, and a timer 36 that outputs a diagnostic mode cancellation signal when a predetermined period of time has elapsed from when the diagnostic key 34 was pressed. Note that the control circuit 33 outputs an alarm signal i when set to the diagnostic mode.
Z selection circuit 32. It also performs self-diagnosis processing of the maintenance warning display device 3 including the alarm display section 37.

続いて本実施例の動作について説明する。Next, the operation of this embodiment will be explained.

アラーム信号受信回路４は交換機１からのアラーム信号
をアラーム信号線２を介して受信し、アラーム信号選択
回路５にてアラーム種類を判別してその結果を制御回路
６へ送る。制御回路６はこのアラーム種類信号に基づい
てアラーム表示部９でのアラームの表示を行なう、但し
、制御回路６は診断モードに設定されていないとき、つ
まりアラーム表示モードのときだけ上記のアラーム表示
制御を行なうことができる。Alarm signal receiving circuit 4 receives an alarm signal from exchange 1 via alarm signal line 2, determines the type of alarm in alarm signal selection circuit 5, and sends the result to control circuit 6. The control circuit 6 displays the alarm on the alarm display section 9 based on this alarm type signal. However, the control circuit 6 performs the above alarm display control only when the diagnosis mode is not set, that is, when the alarm display mode is set. can be done.

診断キー３４を押下すると、診断起動回路３５は制御回
路３３を診断モードに設定すると共にタイマ３６を起動
する。制御回路３３は保守警報表示装置３の自己診断処
理を行なう、タイマ３６があらかじめ設定した時間が経
過して診断モード解除信号を出力すると、診断起動回路
３５は制御回路３３の診断モードを解除し、保守警報表
示装置３は交換機１からのアラーム信号の受信に備える
。When the diagnostic key 34 is pressed, the diagnostic activation circuit 35 sets the control circuit 33 to the diagnostic mode and activates the timer 36. The control circuit 33 performs a self-diagnosis process for the maintenance alarm display device 3. When the timer 36 outputs a diagnostic mode release signal after a preset time has elapsed, the diagnostic activation circuit 35 releases the diagnostic mode of the control circuit 33. The maintenance alarm display device 3 is prepared to receive an alarm signal from the exchange 1.

なお、タイマ３６の機能は通常はファームウェアで処理
される。Note that the function of the timer 36 is normally processed by firmware.

〔発明の効果〕〔Effect of the invention〕

以上説明したように本発明は、診断キー押下時にカウン
ト開始するタイマを設け、一定時間後に診断モードを自
動的に解除する機能を有することにより、診断終了後の
診断モード解除のための診断キーの再押下のし忘れや無
意識に診断キーを押してしまったときなどにおいても外
部からのアラーム信号を表示できる効果がある。As explained above, the present invention provides a timer that starts counting when the diagnostic key is pressed, and has a function to automatically cancel the diagnostic mode after a certain period of time. This has the effect of displaying an external alarm signal even when you forget to press the key again or press the diagnosis key unconsciously.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の保守警報表示装置の一実施例を示すブ
ロック図である。 １・・・・・・交換機、２・・・・・・アラーム信号線
、３・・・・・・保守警報表示装置、３１・・・アラー
ム信号受信回路、３２・・・・・・アラーム信号選択回
路、３３・・・・・・制御回路、３４・・・・・・診断
キー、３５・・・・・・診断起動回路、３６・・・・・
・タイマ、３７・・・・・・アラーム表示部。 ハ 代理人　弁理士　内　原　　晋ｐ ＼ 怖　　１　又 ｆＰみ にFIG. 1 is a block diagram showing an embodiment of the maintenance warning display device of the present invention. 1... Switchboard, 2... Alarm signal line, 3... Maintenance alarm display device, 31... Alarm signal receiving circuit, 32... Alarm signal Selection circuit, 33... Control circuit, 34... Diagnosis key, 35... Diagnosis starting circuit, 36...
・Timer, 37... Alarm display section. Agent Susumu Uchihara, patent attorney

Claims (1)

【特許請求の範囲】[Claims] 診断キーを押下したとき診断モードを設定して自己診断
を行なう機能を有する保守警報表示装置において、前記
診断キー押下時点から一定時間を経過したとき前記診断
モードを解除する診断モード解除手段を備えることを特
徴とする保守警報表示装置。A maintenance alarm display device having a function of setting a diagnostic mode and performing self-diagnosis when a diagnostic key is pressed, further comprising a diagnostic mode canceling means for canceling the diagnostic mode when a certain period of time has elapsed from the time when the diagnostic key was pressed. A maintenance warning display device featuring:
JP10328488A 1988-04-25 1988-04-25 Maintenance warning display device Pending JPH01273200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10328488A JPH01273200A (en) 1988-04-25 1988-04-25 Maintenance warning display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10328488A JPH01273200A (en) 1988-04-25 1988-04-25 Maintenance warning display device

Publications (1)

Publication Number Publication Date
JPH01273200A true JPH01273200A (en) 1989-11-01

Family

ID=14350024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10328488A Pending JPH01273200A (en) 1988-04-25 1988-04-25 Maintenance warning display device

Country Status (1)

Country Link
JP (1) JPH01273200A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824896B2 (en) * 1980-03-28 1983-05-24 新日本無線株式会社 Continuous wave magnetron for high power
JPS59218594A (en) * 1984-05-02 1984-12-08 新コスモス電機株式会社 Alarm with inspecting function
JPS6151595B2 (en) * 1978-11-06 1986-11-10 Ube Industries

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6151595B2 (en) * 1978-11-06 1986-11-10 Ube Industries
JPS5824896B2 (en) * 1980-03-28 1983-05-24 新日本無線株式会社 Continuous wave magnetron for high power
JPS59218594A (en) * 1984-05-02 1984-12-08 新コスモス電機株式会社 Alarm with inspecting function

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