| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To realize a data collection system having a data acquisition end confirming and returning function which does not increase a communication load between a host device and a controller. <P>SOLUTION: In this data collection system in which the controller 300 acquires data from devices 61 to 6n, stores the data and returns the acquired data to the host device 100 for data acquisition end confirmation from the host device 100 when the host device 100 makes a data acquisition request to the devices 61 to 6n, the host device 100 is provided with a collective confirmation means 106 for collectively confirming data from which acquisition end confirmation is not obtained in response to an acquisition request in the controller 300. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
