7-97.3.3 Sample ProgramProgram contents- The sample program is for an ET-LAN unit installed in slot no. 0, and covers communication settings upto where the connection is opened as a result of the contents noted below.- After the connection has been opened, no communication program is necessary on the PLC side.Internal relay allocationClassification Device number Devices used in program exampleComplete signal area R0 to R1FRCRDR11Initialization complete signalInitialization error signalOpen error signal (Connection 1)Request signal area R40 to R5F R4CR50Initialization request signalOpen request signal (Connection 1)Data register allocationClassificationof processing Device number Setting item Setting for program exampleInitializationprocessingDT10 to DT11 Source node IP address 192.168.1.1(C0A80101H)DT12 Communication functionsetting between networks Not usedDT13 Source node MEWTOCOLstation number 01Open processingDT20Open method MEWTOCOL communicationTCP/IPFullpassive openDT21 Source node port No. 8000DT22 to DT23 Partner node IP address 192.168.1.2(C0A80102H)DT24 Partner node port No. 8000DT25 Partner node MEWTOCOLstation number 02
