| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a communication device, a communication system and a communication method that implement reduced costs and improved convenience and maintainability and implement improved scalability by enabling wireless communication between different communication systems. <P>SOLUTION: A field device, as the communication device, which is capable of wireless communication via first and second wireless networks compliant with first and second wireless communication standards (for example, WirelessHART(R) and ISA100) having a physical layer L1 and a data link layer L2 of an OSI reference model in common includes: a network layer L11 for implementing routing control in the first wireless network; a network layer L21 for implementing routing control in the second wireless network; and an identification control section DC disposed in the data link layer L2 to control which of the network layers L11, L21 data received from the physical layer L1 should be passed to on the basis of an identification result of the data. <P>COPYRIGHT: (C)2013,JPO&INPIT |
