| 摘要 |
PROBLEM TO BE SOLVED: To provide a data collection device and data collection system capable of surely performing data collection from the CPU unit of a PCL at high speed. SOLUTION: This data collection device comprises a PLC bus driver 11 connectable to the PLC bus 22 of the PCL, a time management part 13 for instructing a collection command at a predetermined timing, and a recorder part 14 for collecting, in response to the data collection command from the time management part, data stored in a prescribed address of an IO memory 21 through an internal bus and delivering the collecting data to a storage control part 15. The storage control part stores the acquired data in a storage. COPYRIGHT: (C)2004,JPO&NCIPI
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