Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual - Manual (Page 187)

EAF Math Instructions
Chapter 14
14-15
Exponential
Enter an exponential function EAF rung like that shown in Figure 14.13.
Figure 14.13
EAF Exponential Function Input and Display Rung
060
EXECUTE AUX
FUNCTION
FUNCTION NUMBER:
DATA ADDR:
RESULT ADDR:
32
040
060
G
061
332
G
062
900
G
063
000
G
040
G
041
009
G
042
420
G
043
000
G
000
000
Enter values for the operand. You can enter these values from the
keyboard of your 1770-T3 terminal or through ladder diagram functions.
Entry of an operand (exponent of e) of 9.42 yields an exponential function
value of 012 332 . 900 000. Figure 14.14 shows how it is stored in the
data table.
Figure 14.14
EAF Exponential Format in the Data Table After Execution
17 16 15 14 10 7 4 3
Data
Address
0
Result
Address
10355-I
13
X 0
040
041
042
043
060
061
062
063
0 0 0
0 0 0
0 0 9
0 2 4
0
0 0 0
0 0
0 1 2
2
3 3
9
0
Operand A
Result