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1. (WO2016056121) PROGRAMMABLE LOGIC CONTROLLER

Pub. No.:    WO/2016/056121    International Application No.:    PCT/JP2014/077181
Publication Date: Fri Apr 15 01:59:59 CEST 2016 International Filing Date: Sat Oct 11 01:59:59 CEST 2014
IPC: G05B 19/05
G06F 13/00
Applicants: MITSUBISHI ELECTRIC CORPORATION
三菱電機株式会社
Inventors: TANIGUCHI, Ippei
谷口 一平
Title: PROGRAMMABLE LOGIC CONTROLLER
Abstract:
In the present invention, a programmable logic controller is provided with the following: a parameter storage ROM 4 for storing destination email address data for which parameters have been set; a communication processing unit 7 that acquires the destination email address data from an external device 9; an internal device 3 that is a memory unit for storing the destination email address data acquired by the communication processing unit 7; an internal memory 5 for storing the destination email address data of the internal device 3, if the destination email address data of the internal device 3 is added data; a flash ROM 6 for storing backup data of the destination email address data stored in the internal memory 5; and an arithmetic processing unit 2 that backs up the destination email address data acquired from the external device 9 to the flash ROM 6, and when rebooting, writes to the internal memory 5 the destination email address data backed up in the flash ROM 6.