Interface to the User Program in the
2.4Meaning of the Data in the Analog Module
Overview
The analog module of the CP
SIdentification register, 8 bits (I/O module identifier)
SError register, 8 bits
S8 analog input words (8 AI)
S8 analog output words (8 AO)
The most important functions handled via these areas are shown in the diagram below:
S7-200 CPU
User program
CP
Digital module (8DI/8DO)
Analog module (8AI/8AO)
SBinary input/output data of the
SAnalog input/output data of the
S
S
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Figure
SIMATIC NET CP | |