JPS53127982A - Controller monitoring apparatus - Google Patents

Controller monitoring apparatus

Info

Publication number
JPS53127982A
JPS53127982A JP4265777A JP4265777A JPS53127982A JP S53127982 A JPS53127982 A JP S53127982A JP 4265777 A JP4265777 A JP 4265777A JP 4265777 A JP4265777 A JP 4265777A JP S53127982 A JPS53127982 A JP S53127982A
Authority
JP
Japan
Prior art keywords
monitoring apparatus
controller monitoring
controller
monitoring
controlled apparatus
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
JP4265777A
Other languages
Japanese (ja)
Inventor
Fumio Tomizawa
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 JP4265777A priority Critical patent/JPS53127982A/en
Publication of JPS53127982A publication Critical patent/JPS53127982A/en
Pending legal-status Critical Current

Links

Landscapes

  • Testing And Monitoring For Control Systems (AREA)
  • Control Of Direct Current Motors (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:To prevent runaway of a controlled apparatus by constituting a monitoring apparatus for monitoring a controller for the controlled apparatus such that is identifies one or both of the changing direction and the magnitude of an input or output signal to or from the controller section to be monitored in order to discriminate a troubled portion and/or a cause of the trouble.
JP4265777A 1977-04-15 1977-04-15 Controller monitoring apparatus Pending JPS53127982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4265777A JPS53127982A (en) 1977-04-15 1977-04-15 Controller monitoring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4265777A JPS53127982A (en) 1977-04-15 1977-04-15 Controller monitoring apparatus

Publications (1)

Publication Number Publication Date
JPS53127982A true JPS53127982A (en) 1978-11-08

Family

ID=12642069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4265777A Pending JPS53127982A (en) 1977-04-15 1977-04-15 Controller monitoring apparatus

Country Status (1)

Country Link
JP (1) JPS53127982A (en)

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