Chapter 13 PROFIBUS Slave Module AH10PFBS 
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5.  And “2 Word Out 2 Word In” has been configured to Slot 0 as follows.   
 
 
6.  Double click where Slot 0 is and the following dialog box emerges. 
 
 
See the following table on the indications of parameters in the above window.   
The number of the starting D register for input and output of the slave which every slot 
corresponds to must be set separately. The input D mapping and output D mapping are 
defined on basis of the master. E.g. Output represents that master transmits the data to the 
slave and input represents that the slave transmits the data to the master.