Rockwell-automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual Manual do Utilizador descarregar pdf (Página 81)

Publication 1794-UM064B-EN-P - May 2014

Communicate With Your Module 69

Optimal sizes are the settings that provide optimal data to and from the I/O

modules. You need a software configuration tool to change the size. Make sure

the FLEX I/O adapter is compatible with the configuration tool you choose.

The optimal setting provide the fastest network time by only mapping read and

write words used by the I/O modules. If you reduce your data sizes to only

include optimal data, you can only change your configuration data with a

software tool. If you need to change configuration information on an optimal

basis, your data size must be large enough to include the necessary words.

Chapter Summary

In this chapter you learned how to communicate with your module. Read the

next chapter to learn how to connect to the PROFIBUS DP network.

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Rockwell-automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual Manual do Utilizador Página 81