JPS6375903A - Programmable controller - Google Patents

Programmable controller

Info

Publication number
JPS6375903A
JPS6375903A JP21916886A JP21916886A JPS6375903A JP S6375903 A JPS6375903 A JP S6375903A JP 21916886 A JP21916886 A JP 21916886A JP 21916886 A JP21916886 A JP 21916886A JP S6375903 A JPS6375903 A JP S6375903A
Authority
JP
Japan
Prior art keywords
arithmetic processing
processing part
processor
interface
interface part
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
JP21916886A
Other languages
Japanese (ja)
Inventor
Yasusuke Sakurai
Akihisa Ueda
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.)
Hitachi Ltd
Hitachi Plant Technologies Ltd
Original Assignee
Hitachi Techno Engineering Co Ltd
Hitachi Ltd
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 Hitachi Techno Engineering Co Ltd, Hitachi Ltd filed Critical Hitachi Techno Engineering Co Ltd
Priority to JP21916886A priority Critical patent/JPS6375903A/en
Publication of JPS6375903A publication Critical patent/JPS6375903A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To supply a PC easy to use and with high reliability, in which no change of a hardware or a software in an arithmetic processing part is required, in a short delivery time, by providing an interface part consisting of a processor between the arithmetic processing part and a peripheral unit in the PC, separately from the arithmetic processing part.
CONSTITUTION: In the programmable controller 5 (PC) used in a various kinds of sequence control, the interface part 4 is constituted of the processor separately from the arithmetic processing part 2. The interface part 4 decodes a bit of input information from the peripheral unit 1 by a processing program incorporated in the part itself, and transfers it after converting it to the data suitable for the processing at the arithmetic processing part 2. The arithmetic processing part 2 is constituted so as to process a bit of transferred information. As for the language of the interface part 4, and language conversion out of command conversion functions, it is possible to realize them by the processor centering a CPU without separating the constitution of the PC to the interface part 4, and the arithmetic processing part 2.
COPYRIGHT: (C)1988,JPO&Japio
JP21916886A 1986-09-19 1986-09-19 Programmable controller Pending JPS6375903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21916886A JPS6375903A (en) 1986-09-19 1986-09-19 Programmable controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21916886A JPS6375903A (en) 1986-09-19 1986-09-19 Programmable controller

Publications (1)

Publication Number Publication Date
JPS6375903A true JPS6375903A (en) 1988-04-06

Family

ID=16731265

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21916886A Pending JPS6375903A (en) 1986-09-19 1986-09-19 Programmable controller

Country Status (1)

Country Link
JP (1) JPS6375903A (en)

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