
Getting Started
2-17
ET 200S IM 151-7 CPU Interface Module
A5E00058783-04
Se-
quence
ResultAction
4 Complete the OB 1 of the S7-300 CPU as follows:
1
How it Works: The status of the button connected to E1.1 of the S7-300 is
checked and stored temporarily in the memory marker M13.0. The entire memory
byte MB13 is transferred to the peripheral output byte PQB12. In step 8 –
Configuring the S7-300 (point 10) of the hardware configuration, you made settings
to assign the area from PQW12 to PQW44 of the S7-300 CPU to the area from
PIW128 to PIW160 of the IM 151-7 CPU.
In the program of the IM, PIB128 is transferred into memory byte MB12. The
memory marker M12.0 finally actuates the output A2.1.
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