Title:
COMMUNICATION SYSTEM
Document Type and Number:
Japanese Patent JP2021190968
Kind Code:
A
Abstract:
To provide a communication system capable of reducing the number of microcomputer serial ports at a slave side device.SOLUTION: A slave side device 30 includes a wireless communication module 31 capable of receiving data from a master side device 20 by wireless communication. The slave side devices 30, 40 and 50 respectively include microcomputers 34, 43 and 53 connected to the wireless communication module 31 to be capable of data communication. RS485 drivers 32 and 33 are provided between the wireless communication module 31 and the microcomputer 34 in the slave side device 30, data received by the wireless communication module 31 through a communication line L2 are sent to the microcomputer 34 by serial communication in the slave side device 30. Data received by the wireless communication module 31 are sent to the microcomputers 43 and 53 through serial communication by branching the communication line L2 and connecting to the microcomputers 43 and 53 through RS485 drivers 42 and 52 in the slave side devices 40 and 50.SELECTED DRAWING: Figure 1
Inventors:
HAYASHI SHOTA
KITO OSAMU
IWAMOTO TAKESHI
KITO OSAMU
IWAMOTO TAKESHI
Application Number:
JP2020097919A
Publication Date:
December 13, 2021
Filing Date:
June 04, 2020
Export Citation:
Assignee:
CKD CORP
International Classes:
H04L25/52
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda
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