46 • Fieldbus coupler 750-342Data exchangeWAGO-I/O-SYSTEM 750ETHERNET TCP/IP3.1.4.1 Example of a process input imageThe following figure is an example of a process input image.The configuration comprises of 16 digital and 8 analog inputs.The process image thus has a data length of 8 words for the analog and 1 wordfor the digital inputs, i.e. 9 words in total.Bit 1Bit 20x00030x00020x00010x00000x00050x00040x00070x00060x00080x00010x00000x00030x00020x00050x00040x00070x00060x00090x0008Word2Word1Word2Word1Word2Word1Word2 Word1Word2Word1Word2Word112121212121212ONLINKTxD/RxDERROREthernet750-342I/OW AGO ßI /O ßSY STE MDI DI DI DI DIAI AI AI AIWord2Word2Word1Word2Word2Word1Highbyte LowbyteDI: Digitale EingangsklemmeAI: Analoge EingangsklemmeProzessabbild der Eingänge(Bit)MODBUS-AdressenMODBUS-AdressenProzessabbild der Eingänge(Word)Eingangsklemmen 750- 400 400 467 467 400 467 400 400 467Fig. 3.1-7: Example of a process input image G012914e
