| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To synchronously store data in a control system and to support analysis based on the stored data, by simple configurations. <P>SOLUTION: This control system 1 includes: a counter device connected via a control network to control data collection devices 41 to 43 for storing control data; and a level 2 computer 6 and a data accumulation device 12 connected via a network to the counter device. The counter device 13 is configured to generate control information by adding a counter to the control data stored in a common memory shared by scan transmission in a control network 51 installed in the control data collection devices 41 to 43 at a prescribed update cycle, and to transmit the counter to a second network 53 at the update cycle, and the level 2 computer 6 is configured to generate control relevant data, and to generate event information by adding the counter to the control relevant data, and the data accumulation device 12 is configured to store the control information and the event information. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
