programmable logic controllers and network systems

摘要

programmable logic controller 11 is a programmable logic controller 11 including a CPU unit 19 , CPU unit 19, a real IP address, has a pseudo-IP address that is different from the real IP address, and send and receive data using the communication device and the real IP address belonging to the network 12 for communicating with a first communication protocol, the transmitting and receiving data using a communication device and a pseudo IP address belonging to the network 13 to communicate with one communication protocol different from a second communication protocol.