| 摘要 |
A slave unit 201 that is a communication device according to the present invention is provided with: a frame relay unit 21 for receiving, from among the communication frames received by a reception port 24, a communication frame to be relayed to another device, and outputting the communication frame to a transmission port 23; a frame transmission unit 32 for generating a communication frame and outputting the communication frame to the transmission port 23; and a transmission frame arbitration unit 22 for limiting the output of a communication frame by the frame transmission unit 32 to the transmission port 23 during a guard time, which is a period including a time band in which the arrival is expected of a communication frame transmitted within the network on a fixed cycle. |
