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7-7GFK-0787B Chapter 7 Programming Information
Analog I/O Addressing
The size of the Analog Input Table is defined during configuration. The maximum size is
8192 analog channels (words). Like the discrete Input and Output Tables, the Analog
Input Table is divided into sections.
Analog Input Table
Voted Inputs
non-voted Inputs
Input
Voting
Logic
A inputs
A
B
C
B inputs
C inputs
The voted analog references are assigned starting at %AI0001. The size of the voted
analog input area is determined by the number of voted analog inputs including spares.
Physical input data from analog block groups is located at the end of the Analog Input
Table, in the areas labelled A, B, and C above. Each of these areas is equal in length to the
number of voted inputs at the beginning of the table.