JPS5532103A - Controlling device - Google Patents

Controlling device

Info

Publication number
JPS5532103A
JPS5532103A JP10392578A JP10392578A JPS5532103A JP S5532103 A JPS5532103 A JP S5532103A JP 10392578 A JP10392578 A JP 10392578A JP 10392578 A JP10392578 A JP 10392578A JP S5532103 A JPS5532103 A JP S5532103A
Authority
JP
Japan
Prior art keywords
data
adapters
received
address
controlling device
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
JP10392578A
Other languages
Japanese (ja)
Inventor
Eiichi Toyoda
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
Original Assignee
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 Ltd filed Critical Hitachi Ltd
Priority to JP10392578A priority Critical patent/JPS5532103A/en
Publication of JPS5532103A publication Critical patent/JPS5532103A/en
Pending legal-status Critical Current

Links

Landscapes

  • Multi Processors (AREA)
  • Feedback Control In General (AREA)
  • Programmable Controllers (AREA)

Abstract

PURPOSE: To apply appropriate control to the apparatus to be controlled from the small scale one to the large scale by installing plural units which have I/O adapters to receive/transmit serial data, connecting the adapters like a ring and assigning the individual address to each unit so that the transmitted, received and transferred data can be checked and the legality of units is confirmed in respect to the controlling device storing the computer in it.
CONSTITUTION: One control unit is constituted by connecting clock generating part 11, RAM 13, ROM 12, process I/O interface adapter (PIA) 14, and serial data I/O adapter 15 and I/O adapters 15, 25 and 35 are connected like a ring. In case of transferring data, the controlling device sends the address on the receiving side together with the data. When the data with the address of the device itself are received, the device checks whether the received data consist with the transferred data and confirms the legality of device.
COPYRIGHT: (C)1980,JPO&Japio
JP10392578A 1978-08-28 1978-08-28 Controlling device Pending JPS5532103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10392578A JPS5532103A (en) 1978-08-28 1978-08-28 Controlling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10392578A JPS5532103A (en) 1978-08-28 1978-08-28 Controlling device

Publications (1)

Publication Number Publication Date
JPS5532103A true JPS5532103A (en) 1980-03-06

Family

ID=14366998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10392578A Pending JPS5532103A (en) 1978-08-28 1978-08-28 Controlling device

Country Status (1)

Country Link
JP (1) JPS5532103A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58127204A (en) * 1982-01-25 1983-07-29 Matsushita Electric Works Ltd Control system
JPS6341907A (en) * 1986-08-08 1988-02-23 Oki Electric Ind Co Ltd Access system for i/o device
JPS6341906A (en) * 1986-08-08 1988-02-23 Oki Electric Ind Co Ltd Access system for actuator
JPH02239302A (en) * 1989-03-14 1990-09-21 Hitachi Ltd Load driving device, input/output unit for sequencer and sequencer
JPH03152603A (en) * 1989-11-10 1991-06-28 Fuji Electric Co Ltd Programmable controller system and programming device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58127204A (en) * 1982-01-25 1983-07-29 Matsushita Electric Works Ltd Control system
JPS6341907A (en) * 1986-08-08 1988-02-23 Oki Electric Ind Co Ltd Access system for i/o device
JPS6341906A (en) * 1986-08-08 1988-02-23 Oki Electric Ind Co Ltd Access system for actuator
JPH02239302A (en) * 1989-03-14 1990-09-21 Hitachi Ltd Load driving device, input/output unit for sequencer and sequencer
JPH03152603A (en) * 1989-11-10 1991-06-28 Fuji Electric Co Ltd Programmable controller system and programming device

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