1-2165838-1CDHW14819851 Introductions1.1 System ConfigurationEtherNet/IPCommunication1.1.4 Message CommunicationMessage communication can be carried out in parallel with IOtransmission and reception. In the system configuration example,message communication with a PC is carried out. The DX200 Ethernetfunction, the FTP function, and the EtherNet server function (the latter twoare extended functions) can be used for this message communication.Also, communication using CIP is possible. To use the DX200 Ethernetfunction and the extended option function, settings need to be madeseparately.1.1.5 IO Communication by InputOnlyWhen communication stations on the network communicate with oneanother, in conventional ExlusiveOwner connection, as the number ofcommunication stations increases, the number of transmitted packetsincreases sharply, placing considerable strain on the network band. Tocope with this problem, the multicast communication called InputOnlyconnection is introduced to keep the increase in the number of packetslow.1.1.6 Message Communication Using CIPCIP for message communication is used so that communication withgeneral panel computer is possible.NOTE When this system valid, PCU-ETHIO (EtherNet/IP boardmade by Molex) is unavailable.15 of 91