JPS5495881A - Servo system - Google Patents

Servo system

Info

Publication number
JPS5495881A
JPS5495881A JP224278A JP224278A JPS5495881A JP S5495881 A JPS5495881 A JP S5495881A JP 224278 A JP224278 A JP 224278A JP 224278 A JP224278 A JP 224278A JP S5495881 A JPS5495881 A JP S5495881A
Authority
JP
Japan
Prior art keywords
value
settled
count value
timer
drive motor
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
JP224278A
Other languages
Japanese (ja)
Inventor
Akinami Ohashi
Hiroki Wajima
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 JP224278A priority Critical patent/JPS5495881A/en
Publication of JPS5495881A publication Critical patent/JPS5495881A/en
Pending legal-status Critical Current

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  • Safety Devices In Control Systems (AREA)

Abstract

PURPOSE: To prevent a machine from being out of order, a drive motor from seizing, or from any other trouble by treating individually in proportin to their causes in judgment of causes why the macnine were unable to follow its command value from a counter value of an error counter.
CONSTITUTION: When count value B of an error counter 3 is less than first and second settled values (A) and C, the count value B is supplied to a drive motor 7, and a timer 18 remains in reset condition. When the count value B has gone up beyond the first settled value (A), the settled value (A) is supplied to the drive motor 7. Further, when the count value B has gone up beyond the second settled value C, at the same time as the timer 18 is set, command is made a momentary stop with error limit signals given to an arithmetic control part 2. Even if a settled time would have passed, unless the count value B does not come under the secnd settled value C, servo abnormality displaying signals are given their output through the timer 18.
COPYRIGHT: (C)1979,JPO&Japio
JP224278A 1978-01-12 1978-01-12 Servo system Pending JPS5495881A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP224278A JPS5495881A (en) 1978-01-12 1978-01-12 Servo system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP224278A JPS5495881A (en) 1978-01-12 1978-01-12 Servo system

Publications (1)

Publication Number Publication Date
JPS5495881A true JPS5495881A (en) 1979-07-28

Family

ID=11523878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP224278A Pending JPS5495881A (en) 1978-01-12 1978-01-12 Servo system

Country Status (1)

Country Link
JP (1) JPS5495881A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108921A (en) * 1983-11-18 1985-06-14 Yokogawa Hokushin Electric Corp Overload protecting circuit of power supply unit
JPS61248719A (en) * 1985-04-26 1986-11-06 Fanuc Ltd Control system for driving of injection molding machine driven by servomotor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108921A (en) * 1983-11-18 1985-06-14 Yokogawa Hokushin Electric Corp Overload protecting circuit of power supply unit
JPS61248719A (en) * 1985-04-26 1986-11-06 Fanuc Ltd Control system for driving of injection molding machine driven by servomotor

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