Yaskawa MP900 Series Ladder Programming Manual Manual de usuario Pagina 178

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5.6 Basic Function Instructions
5.6.8 Exponential (EXP)
5-109
Instructions
5
5.6.8 Exponential (EXP)
( 1 ) Operation
The EXP instruction calculates the value obtained by raising base e of the natural logarithm to the real number input
data and stores the result in the output data.
“e” is the base of the natural logarithm.
( 2 ) Format
C and # registers cannot be used.
( 3 ) Programming Example
The following programming example calculates base e of the natural logarithm raised to 1.0 in the input data in
MF00000, and stores the result in the output data in DF00000.
e
1.0
DF00000 = 2.718282
If the operation result overflows, the output data will be set to the maximum value 3.402E+38 and an operation error will not
occur.
Input data
Output data
e
Parameter Name
Applicable Data Types
B W L F A Index Constant
Input data (Src) ×××{ ××{
Output data (Dest) ×××
{
*
×××
Input data Output data
Icon:
Key entry: EXP
INFO
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