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JPS55938A - Online monitor unit of sequnce controller - Google Patents

Online monitor unit of sequnce controller

Info

Publication number
JPS55938A
JPS55938A JP7386478A JP7386478A JPS55938A JP S55938 A JPS55938 A JP S55938A JP 7386478 A JP7386478 A JP 7386478A JP 7386478 A JP7386478 A JP 7386478A JP S55938 A JPS55938 A JP S55938A
Authority
JP
Japan
Prior art keywords
address
unit
pad
execution
lca
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
JP7386478A
Other languages
Japanese (ja)
Inventor
Goro Iketani
Yoshimori Obata
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7386478A priority Critical patent/JPS55938A/en
Publication of JPS55938A publication Critical patent/JPS55938A/en
Pending legal-status Critical Current

Links

Landscapes

  • Programmable Controllers (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

PURPOSE:To make it possible to mask data unneeded for a display unit when an address which is not in process of execution is as signed, by providing a unit with a circuit which distinguishes a memory address where no program is being executed. CONSTITUTION:An ordinary online monitor unit is provided with parallel out register 8 which holds address CAD by pulse CS generated by address coincidence circuit 4 while address CAD of center arithmetic unit 1 agrees with assignment address PAD of online monitor address assignment unit 6 and address coincidence circuit 9 for its output LCA and address PAD. Once an address is monitored which is not in process of execution, address LCA becomes dissident from address PAD and mask signal MK from circuit 9 becomes level ''L'' to mask the unneeded data part of display unit 7. When a address in process of execution is monitored address LCA agrees with address PAD and signal MK becomes level H to allow display unit 7 to display the entire data.
JP7386478A 1978-06-19 1978-06-19 Online monitor unit of sequnce controller Pending JPS55938A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7386478A JPS55938A (en) 1978-06-19 1978-06-19 Online monitor unit of sequnce controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7386478A JPS55938A (en) 1978-06-19 1978-06-19 Online monitor unit of sequnce controller

Publications (1)

Publication Number Publication Date
JPS55938A true JPS55938A (en) 1980-01-07

Family

ID=13530457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7386478A Pending JPS55938A (en) 1978-06-19 1978-06-19 Online monitor unit of sequnce controller

Country Status (1)

Country Link
JP (1) JPS55938A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58109908A (en) * 1981-12-24 1983-06-30 Sharp Corp Monitor for sequence controller
JPS6069707A (en) * 1983-09-27 1985-04-20 Fanuc Ltd Numerical controller
JPS62116044A (en) * 1985-11-15 1987-05-27 Fujitsu Ltd Phase modulating system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58109908A (en) * 1981-12-24 1983-06-30 Sharp Corp Monitor for sequence controller
JPS6069707A (en) * 1983-09-27 1985-04-20 Fanuc Ltd Numerical controller
JPS62116044A (en) * 1985-11-15 1987-05-27 Fujitsu Ltd Phase modulating system

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