Chapter 14 Remote  I/O Communication Module  AHRTU-PFBS 
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2.  The following window appears; then click “Yes” to continue to download. 
 
3.  Return to the main interface of the software after downloading is completed. 
 
14.7.3  Mapping relationships between AHRTU-PFBS-5A and 
Master 
The following interface shows the starting addresses and lengths of the OUTPUT area and INPUT 
area that PLC CPU assigns to the master module. The data in OUTPUT area are sent to the slave 
and the INPUT area receives the data from the slave. The starting addresses of INPUT area and 
OUTPUT area that AH master PLC assigns to the master module are D1000 and D6000 
respectively in the example.