Title:
SAFETY MONITORING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/025408
Kind Code:
A1
Abstract:
This safety monitoring device comprises a pair of safety monitoring units 54, 55 which monitor a system to be monitored for safety. Each of the safety monitoring units 54, 55 has: a self-diagnostic processing execution unit 500 which periodically executes the self-diagnostic processing of components of the system to be monitored, on the basis of a preset constant period; a sleep instruction unit 501 which outputs a sleep instruction if there is no external signal input during a preset first setting time; and a sleep execution unit 502 which brings the safety monitoring units 54, 55 into a sleep state during a preset second setting time according to the sleep instruction from the sleep instruction unit 501. The length of the second setting time is set shorter than that of the constant period.
Inventors:
TORITANI AKIYUKI (JP)
Application Number:
PCT/JP2016/073137
Publication Date:
February 08, 2018
Filing Date:
August 05, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B5/00; B66B1/06; B66B3/00; B66B27/00; B66B31/00
Foreign References:
| JP2013119467A | 2013-06-17 | |||
| JP2008201537A | 2008-09-04 | |||
| JP2007176618A | 2007-07-12 | |||
| JP2013142015A | 2013-07-22 | |||
| JP2014172721A | 2014-09-22 |
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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