Relay Ladder; Structured Text - Allen-Bradley Logix5000 Reference Manual

Chapter 8 Array (File)/Misc. Instructions (FAL, FSC, COP, CPS, FLL, AVE, SRT, STD, SIZE)
0
1
Dimension 0
2
3
384
Example 2:
Average array_dint, which is DINT[4,5].
Dimension 1
0 1 2 3 4
20 19 18 17 16
15 14 13 12 11
10 9 8 7 6
5 4 3 2 1

Relay Ladder

Structured Text

SIZE(array_dint,1,length);
sum := 0;
FOR position = 0 TO (length-1) DO
sum := sum + array_dint[position];
END_FOR;
dint_ave := sum / length;
Rockwell Automation Publication 1756-RM003N-EN-P - October 2011
5 + + + + 4 3 2
--------------------------------------- -
AVE =
5
dint_ave = 3
1 15
----- -
= = 3
5