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Title:
ELEVATOR SAFETY CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/171424
Kind Code:
A1
Abstract:
This elevator safety control device comprises: a storage unit to store each of a plurality of safety control functions and a plurality of non-safety control functions as independent programs and to store safety scheduling information; and a CPU to perform control calculations for an elevator by way of sequentially executing programs, corresponding to each of the plurality of safety control functions and the plurality of non-safety control functions, according to the safety scheduling information. The CPU sequentially executes the safety control functions continuously with no idle time according to the safety scheduling information during each control cycle and executes the plurality of non-safety control functions during idle time in the control cycle after all safety control functions have been executed.

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Inventors:
TORITANI AKIYUKI (JP)
SHIO MASASHI (JP)
TSUKAMOTO YOHEI (JP)
Application Number:
PCT/JP2018/008305
Publication Date:
September 12, 2019
Filing Date:
March 05, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B5/02
Foreign References:
JP2017137183A2017-08-10
JPS55156174A1980-12-04
JP2017141114A2017-08-17
JPH06305647A1994-11-01
JPS6387435A1988-04-18
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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