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

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

Relay Ladder

Structured Text

SIZE(array_dint,0,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
19 + 14 + + 9
------------------------------------ -
AVE =
4
dint_ave = 12
Chapter 8
4 46
----- -
= = 11.5
4
383