| 摘要 |
PROBLEM TO BE SOLVED: To capture a packet from a field bus with less cost and workload.SOLUTION: In a gateway device 10 for relay connecting a system bus SB and a field bus FB, a packet capturing section 12 captures a packet exchanged with a field apparatus FT via the field bus FB, depending on a start command from a host device 20 connected with the system bus SB, and after encapsulating a packet captured by a transmitting section 13, transmits the packet to the host device 20 via the system bus SB. |
