| 摘要 |
PROBLEM TO BE SOLVED: To provide a network diagram display device capable of accurately recognizing a PLC as the connection destination even when many PLCs of the same model exist on a network diagram. SOLUTION: The network diagram display device comprises a network configuration database storing a network configuration, a means for reading identification information related to the network and node number from the PLC as the connection destination, a means for retrieving a node having identification information from the network configuration database based on the identification information about the read network and node number, and a means for displaying the retrieved node on the network diagram identifiably from other nodes. COPYRIGHT: (C)2007,JPO&INPIT
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