
3–2 Overview of the Fast Analog Input Module
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The processor transfers data to the module (block transfer write) and
from the module (block transfer read) using BTW and BTR
instructions in your ladder diagram program. These instructions let
the processor obtain input values and status from the module, and let
you establish the module’s mode of operation.
1. The processor transfers your configuration data to the module via
a block transfer write instruction.
2. External devices generate analog signals that are transmitted to
the module.
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Fast Analog Input
Module
Cat. No. 1771-IFF
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