Title:
産業機器のコントローラ
Document Type and Number:
Japanese Patent JP7230538
Kind Code:
B2
Abstract:
To detect abnormality of a connected external device in a controller for an industrial device by a circuit which detects abnormality of a switch in the controller.SOLUTION: A controller (20) for an industrial device (10) comprises: a switch (25); an external connection terminal (27) connected to a power source (24) via the switch; a drive unit (21) which drives the switch by an on-pulse signal; a voltage detection unit (22) which detects a voltage at a detection point P between the switch and the external connection terminal; and a detection unit (23) which detects abnormality of the switch and abnormality of an external device (30) connected to the external connection terminal on the basis of the voltage which is detected by the voltage detection unit when the switch is driven by the drive unit.SELECTED DRAWING: Figure 1
Inventors:
Kenji Kuratani
Nishino Hideyuki
Nishino Hideyuki
Application Number:
JP2019013558A
Publication Date:
March 01, 2023
Filing Date:
January 29, 2019
Export Citation:
Assignee:
Denso Wave Co., Ltd.
International Classes:
G05B19/048; B25J19/06
Domestic Patent References:
| JP10122900A | ||||
| JP201169694A | ||||
| JP2008298426A | ||||
| JP2005157665A |
Attorney, Agent or Firm:
Yamada Tsuyoshi
Hiroshi Matsuda
Hiroshi Matsuda
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