Description
2.1 Introduction to PROFIBUS
PROFIBUS with STEP 7 V13
14
Function Manual, 12/2014, A5E03775446-AC
Overview of I/O communication
I/O communication is the reading or writing of inputs/outputs of the distributed I/O. The figure
below gives you an overview of I/O communication using PROFIBUS DP:
Figure 2-3
I/O communication using PROFIBUS DP
I/O communication is also available with the communication module (CM) or the interface
module (IM) with integrated DP interface. These DP interfaces behave like integrated DP
interfaces of the CPU.
Summary of Contents for SIMATIC ET 200AL
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