Examples of Calculations
22
S7-400 Instruction List
A5E00267845-01
Execution Time for Area-Crossing Register-Indirect Addressing
Example:
A [AR1, P#23.1] ... with I 1.0 in AR1 with CPU 416
Step 1:
Load the contents of AR1, and increment them by the offset 23.1 (the time required is in the table on page 20)
Address is in ...
Execution Time in
s
:
:
AR1/AR2 (area-crossing)
0.00
:
:
Step 2:
AND link of the input addressed this way (see page 25 for the execution time)
Typical Execution Time in
s
Direct Addressing
Indirect Addressing
0.04/0.05
:
0.05+
:
Time for A I
Total execution time:
0.00
s
+
0.05
s
0.05
s