Functions
5.2 Intelligent IO devices (I-devices)
PROFINET with STEP 7
Function Manual, 05/2021, A5E03444486-AL
133
5.2.6
Program examples
Introduction
This simple program example shows how you use the transfer areas of an I-device.
Requirements
You have configured an I-device.
Task
The result of an "AND logic operation" of two inputs (preprocessing) in the I-device is to be
provided to the higher-level IO controller. This result is to be assigned to a local output in the
IO master (further processing).
Use a transfer area with the following addresses for this purpose:
•
Address in the I-device: Q568
•
Address in the IO controller: I68
Required steps
The following steps to solve the task:
1.
Configuring the transfer area
2.
Programming I-device
3.
Programming IO controller
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