JPS6455010A - Driving circuit malfunction detection system - Google Patents

Driving circuit malfunction detection system

Info

Publication number
JPS6455010A
JPS6455010A JP62211060A JP21106087A JPS6455010A JP S6455010 A JPS6455010 A JP S6455010A JP 62211060 A JP62211060 A JP 62211060A JP 21106087 A JP21106087 A JP 21106087A JP S6455010 A JPS6455010 A JP S6455010A
Authority
JP
Japan
Prior art keywords
driving circuit
power source
malfunction
controller
detection system
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
JP62211060A
Other languages
Japanese (ja)
Inventor
Kinji Kamitsubara
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 JP62211060A priority Critical patent/JPS6455010A/en
Publication of JPS6455010A publication Critical patent/JPS6455010A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE:To detect the malfunction of a driving circuit using a simple circuit by connecting a resistor to a control power source and one end of a diode to a power source for the driving circuit, and connecting the other end to a controller. CONSTITUTION:When an AC voltage is applied to a power source 4, a control power source 3 turns OFF a power source 2 for a driving circuit. The output power of the power source 3 is supplied through a controller 8, a resistor 6 and a diode 5 to a driving circuit 7. The circuit 7 feeds a signal to a driver 8 in this state to turn ON, OFF the driving circuit, thereby detecting whether a current actually flows or not from the voltage of a detecting point T. The controller 8 judges the presence or absence of a malfunction of the driving circuit 7 in response to the detection result, and in case of the malfunction, the power source 2 is held OFF through the power source 3 to generate an alarm by a sound or a light by a method, not shown, thereby notifying a monitoring operator, etc.
JP62211060A 1987-08-25 1987-08-25 Driving circuit malfunction detection system Pending JPS6455010A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62211060A JPS6455010A (en) 1987-08-25 1987-08-25 Driving circuit malfunction detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62211060A JPS6455010A (en) 1987-08-25 1987-08-25 Driving circuit malfunction detection system

Publications (1)

Publication Number Publication Date
JPS6455010A true JPS6455010A (en) 1989-03-02

Family

ID=16599733

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62211060A Pending JPS6455010A (en) 1987-08-25 1987-08-25 Driving circuit malfunction detection system

Country Status (1)

Country Link
JP (1) JPS6455010A (en)

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