KR930009911U - Plc의 밧데리 백업회로 - Google Patents

Plc의 밧데리 백업회로

Info

Publication number
KR930009911U
KR930009911U KR2019910017483U KR910017483U KR930009911U KR 930009911 U KR930009911 U KR 930009911U KR 2019910017483 U KR2019910017483 U KR 2019910017483U KR 910017483 U KR910017483 U KR 910017483U KR 930009911 U KR930009911 U KR 930009911U
Authority
KR
South Korea
Prior art keywords
battery backup
backup circuit
plc
plc battery
circuit
Prior art date
Application number
KR2019910017483U
Other languages
English (en)
Other versions
KR960005586Y1 (ko
Inventor
백상돈
Original Assignee
엘지산전 주식회사
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 엘지산전 주식회사 filed Critical 엘지산전 주식회사
Priority to KR2019910017483U priority Critical patent/KR960005586Y1/ko
Publication of KR930009911U publication Critical patent/KR930009911U/ko
Application granted granted Critical
Publication of KR960005586Y1 publication Critical patent/KR960005586Y1/ko

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
    • G06F1/305—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations in the event of power-supply fluctuations
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/005—Circuit means for protection against loss of information of semiconductor storage devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
    • G11C5/141—Battery and back-up supplies

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
KR2019910017483U 1991-10-18 1991-10-18 Plc의 밧데리 백업회로 KR960005586Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910017483U KR960005586Y1 (ko) 1991-10-18 1991-10-18 Plc의 밧데리 백업회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910017483U KR960005586Y1 (ko) 1991-10-18 1991-10-18 Plc의 밧데리 백업회로

Publications (2)

Publication Number Publication Date
KR930009911U true KR930009911U (ko) 1993-05-26
KR960005586Y1 KR960005586Y1 (ko) 1996-07-06

Family

ID=19320841

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910017483U KR960005586Y1 (ko) 1991-10-18 1991-10-18 Plc의 밧데리 백업회로

Country Status (1)

Country Link
KR (1) KR960005586Y1 (ko)

Also Published As

Publication number Publication date
KR960005586Y1 (ko) 1996-07-06

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