JPS6454523A - Detecting device for erroneous insertion of printed board - Google Patents
Detecting device for erroneous insertion of printed boardInfo
- Publication number
- JPS6454523A JPS6454523A JP62209291A JP20929187A JPS6454523A JP S6454523 A JPS6454523 A JP S6454523A JP 62209291 A JP62209291 A JP 62209291A JP 20929187 A JP20929187 A JP 20929187A JP S6454523 A JPS6454523 A JP S6454523A
- Authority
- JP
- Japan
- Prior art keywords
- address
- cpu
- board
- name code
- memory
- 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
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
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1113—Address setting
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1188—Detection of inserted boards, inserting extra memory, availability of boards
Abstract
PURPOSE:To eliminate the need of an address setting circuit, and to easily detect an erroneous insertion by detecting the mounting of a printed board, based on an access address, a name code, and a connector number and a name code which have been stored. CONSTITUTION:A CPU 1 outputs an assigned access address and executes an access to a printed board 11a. When the connector number and this address coincide, an address decoder 14 returns an acknowledge signal to the CPU 1. The CPU 1 stores its board name code in a memory 3. With respect to other boards 11b-11h, as well, the same thing is executed. When the board name codes are stored in the memory 3 with regard to all the boards, the CPU 1 compares the board name code which has been stored in advance in the memory 3, and the board name code which has been read. When results of comparison are different, they are displayed on a display device 9, or setting of the address, or a fact that the printed boards which have been connected to connectors 13a-13h are different is informed to a worker by an external apparatus 5, etc.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62209291A JPS6454523A (en) | 1987-08-25 | 1987-08-25 | Detecting device for erroneous insertion of printed board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62209291A JPS6454523A (en) | 1987-08-25 | 1987-08-25 | Detecting device for erroneous insertion of printed board |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6454523A true JPS6454523A (en) | 1989-03-02 |
Family
ID=16570512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62209291A Pending JPS6454523A (en) | 1987-08-25 | 1987-08-25 | Detecting device for erroneous insertion of printed board |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6454523A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04120129U (en) * | 1991-04-04 | 1992-10-27 | 三菱電機株式会社 | Control device |
US7133108B2 (en) | 2000-12-08 | 2006-11-07 | Hitachi, Ltd. | Liquid crystal display device |
JP2009009449A (en) * | 2007-06-29 | 2009-01-15 | Nec Commun Syst Ltd | Circuit package apparatus and circuit package fault evasion method |
-
1987
- 1987-08-25 JP JP62209291A patent/JPS6454523A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04120129U (en) * | 1991-04-04 | 1992-10-27 | 三菱電機株式会社 | Control device |
US7133108B2 (en) | 2000-12-08 | 2006-11-07 | Hitachi, Ltd. | Liquid crystal display device |
US7456926B2 (en) | 2000-12-08 | 2008-11-25 | Hitachi, Ltd. | Liquid crystal display device |
US7826028B2 (en) | 2000-12-08 | 2010-11-02 | Hitachi, Ltd. | Liquid crystal display device |
JP2009009449A (en) * | 2007-06-29 | 2009-01-15 | Nec Commun Syst Ltd | Circuit package apparatus and circuit package fault evasion method |
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