Rockwell-automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User M Uživatelský manuál stáhnout pdf (Strana 86)

2–66 How Communication Takes Place and I/O Image Table Mapping

- %$!,$(' /  (.#& #* 

Optimal SizesAdapter DefaultsModule Defaults for:

Output

Default

Input

Default

Output

Default

Input

Default

Description

Catalog

Number

 & ("-%#    

  +(%,#" ')-, ("-%#    

  +(%,#" -,)-, ("-%#    

 +(%,#" (& ( ("-%#    

 '!*#&#',% '!("#* ("-%#    

 -%+# (-',#* ("-%#    

/ )(*, ("-%#    

The default values reflect the maximum number of read/write words.

You can change the I/O data size for a module by reducing the

number of words mapped into the adapter module, as shown in

optimal sizes.

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

the I/O module. 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 settings 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.

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Rockwell-automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User M Uživatelský manuál Strana 86