JPS53386A - Detecting method of unexpected grounding of external wiring for control device - Google Patents

Detecting method of unexpected grounding of external wiring for control device

Info

Publication number
JPS53386A
JPS53386A JP7461876A JP7461876A JPS53386A JP S53386 A JPS53386 A JP S53386A JP 7461876 A JP7461876 A JP 7461876A JP 7461876 A JP7461876 A JP 7461876A JP S53386 A JPS53386 A JP S53386A
Authority
JP
Japan
Prior art keywords
grounding
unexpected
control device
external wiring
detecting method
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
JP7461876A
Other languages
Japanese (ja)
Inventor
Takashi Morishita
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 JP7461876A priority Critical patent/JPS53386A/en
Publication of JPS53386A publication Critical patent/JPS53386A/en
Pending legal-status Critical Current

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  • Testing And Monitoring For Control Systems (AREA)

Abstract

PURPOSE:To perform detection of unexpected grounding of the external wiring by connecting mutually voltages at each external output point of a control device which has external wiring with help of digital signal output element.
JP7461876A 1976-06-24 1976-06-24 Detecting method of unexpected grounding of external wiring for control device Pending JPS53386A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7461876A JPS53386A (en) 1976-06-24 1976-06-24 Detecting method of unexpected grounding of external wiring for control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7461876A JPS53386A (en) 1976-06-24 1976-06-24 Detecting method of unexpected grounding of external wiring for control device

Publications (1)

Publication Number Publication Date
JPS53386A true JPS53386A (en) 1978-01-05

Family

ID=13552331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7461876A Pending JPS53386A (en) 1976-06-24 1976-06-24 Detecting method of unexpected grounding of external wiring for control device

Country Status (1)

Country Link
JP (1) JPS53386A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02301801A (en) * 1989-05-17 1990-12-13 Mitsubishi Electric Corp Input-output circuit for controller

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4970158A (en) * 1972-11-09 1974-07-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4970158A (en) * 1972-11-09 1974-07-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02301801A (en) * 1989-05-17 1990-12-13 Mitsubishi Electric Corp Input-output circuit for controller

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