EAF Math Instructions
Chapter 14
14-18
Figure 14.18
EAF Power of 10 Format in the Data Table After Execution
17 16 15 14 10 7 4 3
Data
Address
0
Result
Address
10357-I
13
040
041
042
043
060
061
062
063
0
0
0
0
0
0
0
0
0
1
0
0
2
0
0
4
3
0
0
3
6
8
2
2
2
Operand A
Result
The Reciprocal EAF instruction is a feature of the Mini-PLC-2/17
processor only.
This EAF function finds the reciprocal of a number. The Operand and
Result words have the format:
1/ +/–xxx xxx . xxx xxx = +/–yyy yyy . yyy yyy
Enter an EAF rung like that shown in Figure 14.19.
Figure 14.19
EAF Reciprocal Function Input and Display Rung
060
EXECUTE AUX
FUNCTION
FUNCTION NUMBER:
DATA ADDR:
RESULT ADDR:
34
040
060
G
061
G
062
008
G
063
065
G
040
G
041
124
G
042
386
G
043
000
G
000
000
000
Enter the value for the operand. Entry of operand 124 yields as its
reciprocal value 0.008065. Figure 14.20 shows how it is stored in the
data table.
Reciprocal
