JPH0161706U - - Google Patents
Info
- Publication number
- JPH0161706U JPH0161706U JP15714187U JP15714187U JPH0161706U JP H0161706 U JPH0161706 U JP H0161706U JP 15714187 U JP15714187 U JP 15714187U JP 15714187 U JP15714187 U JP 15714187U JP H0161706 U JPH0161706 U JP H0161706U
- Authority
- JP
- Japan
- Prior art keywords
- memory
- backup
- battery
- detection circuit
- contents
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Numerical Control (AREA)
- Power Sources (AREA)
Description
第1図〜第3図はこの考案の一実施例を示し、
第1図は電源制御部の構成を示す図、第2図は電
源制御部の回路図、第3図は第2図における各部
の信号状態を示すタイムチヤートで、第4図〜第
6図は従来例を示し、第4図は数値制御部の回路
図、第5図は従来の電源制御部の構成を示す図、
第6図は電源制御部の回路図を示す。
図において、3は演算制御部、6は記憶装置、
11は制御用電源、12は電池、17はバツクア
ツプ検出回路、18は計時手段である。なお、図
中同一符号は同一、または相当部分を示す。
Figures 1 to 3 show an embodiment of this invention,
Fig. 1 is a diagram showing the configuration of the power supply control section, Fig. 2 is a circuit diagram of the power supply control section, Fig. 3 is a time chart showing the signal status of each part in Fig. 2, and Figs. 4 to 6 are A conventional example is shown, FIG. 4 is a circuit diagram of a numerical control section, and FIG. 5 is a diagram showing the configuration of a conventional power supply control section.
FIG. 6 shows a circuit diagram of the power supply control section. In the figure, 3 is an arithmetic control unit, 6 is a storage device,
11 is a control power supply, 12 is a battery, 17 is a backup detection circuit, and 18 is a clock means. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
の読み書き可能なメモリに記憶し、制御用電源遮
断時に上記メモリ内容が消失しないように電池か
らメモリに電流を供給することでバツクアツプで
きる数値制御装置において、上記電池から上記メ
モリに電流を供給していることを判別するバツク
アツプ検出回路と、この回路に接続される計時手
段を備え、上記バツクアツプ検出回路の出力信号
が、バツクアツプ中である事を示す状態を呈して
いる間、上記計時手段は計時を行ない、上記計時
手段の内容は演算制御部を介して読み取れる如く
構成したことを特徴とする数値制御装置。 In a numerical control device that stores machining programs and control parameters in a readable/writable memory in a storage device, and can be backed up by supplying current from a battery to the memory so that the memory contents will not be lost when the control power is cut off, the battery A backup detection circuit for determining whether current is being supplied to the memory from the memory, and a clock means connected to this circuit, wherein an output signal of the backup detection circuit indicates a state indicating that backup is in progress. The numerical control device is characterized in that the clocking means is configured to keep time while the computer is running, and the contents of the clocking means can be read through an arithmetic control section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15714187U JPH0161706U (en) | 1987-10-14 | 1987-10-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15714187U JPH0161706U (en) | 1987-10-14 | 1987-10-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0161706U true JPH0161706U (en) | 1989-04-19 |
Family
ID=31436325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15714187U Pending JPH0161706U (en) | 1987-10-14 | 1987-10-14 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0161706U (en) |
-
1987
- 1987-10-14 JP JP15714187U patent/JPH0161706U/ja active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0161706U (en) | ||
JPH01138107U (en) | ||
JPS59130297U (en) | memory backup circuit | |
JPH0235223U (en) | ||
JPS6287142U (en) | ||
JPS6132751U (en) | power backup device | |
JPS6344114U (en) | ||
JPS61126330U (en) | ||
JPH01155548U (en) | ||
JPS62187349U (en) | ||
JPS60184133U (en) | Battery backup memory circuit | |
JPS63130820U (en) | ||
JPS61199798U (en) | ||
JPS62138291U (en) | ||
JPS6113255U (en) | Hot water storage type electric water heater | |
JPS62151634U (en) | ||
JPS60104791U (en) | Electronic clock with battery life notification function | |
JPS6446832U (en) | ||
JPH01144923U (en) | ||
JPH03110505U (en) | ||
JPS6112125U (en) | Electronics | |
JPH0284935U (en) | ||
JPS60131095U (en) | information monitoring device | |
JPH0249344U (en) | ||
JPS6025002U (en) | Control device |