Siemens SIMATIC IM 151/CPU User Manual

Instruction List
B-11
ET 200S Interface Module IM 151/CPU
A5E00058783-01
B.5.3 Example of Memory-Indirect, Area-Crossing Addressing
Example
U [AR1, P#23.1] ... with P#E 1.0 in the AR1
Step 1
Load the contents of AR1 and increment it by the offset 23.1
Address Is In ... Execution Time in s
: :
AR1/AR2 (area-crossing) 3.2
: :
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:
Total execution time:
3.2 s
+ 1.6 s
= 4.8 s

Siemens SIMATIC IM 151/CPU Specifications

General

Brand	Siemens
Model	SIMATIC IM 151/CPU
Category	Control Unit
Language	English