Instruction List
B-9
ET 200S Interface Module IM 151/CPU
A5E00058783-01
B.5.1 Example of Memory-Indirect, Area-Internal Addressing
Example
Example: A I [DBD 12]
Step 1
Load the contents of DBD 12
Address Is In ... Execution Time in s
Memory marker area M
Word
Double word
0.8
2.1
Data block DB/DX
Word
Double word
3.0
4.1
Step 2
ANDing of the addressed input (the execution time is in Appendix B.6 and the
following chapters).
Typical Execution Time in s
Direct Addressing Indirect Addressing
0.3
:
1.6+
:
Time for
A I
Total Execution Time
This results in a total execution time of:
4.1 s
+ 1.6 s
= 5.7 s
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