Yaskawa MP900 Series Machine Controller New Ladder Editor - Manual (Page 107)

1.5 Basic Function Instructions
1-97
1
„ Parameter
„ Program Example
The common logarithm of the input value (x = 10.) [Log
10
(x) = 1.0] is calculated.
LOG instruction is input (x) value is checked, execute the following handling.
• When the input is minus LOG (-1), calculate an absolute value.
• When the input is zero LOG (0), take -
∞ for solution.
Parameter Name Setting
Source
(Input) • Any real number type register
• Any real number type register with subscript
• Constant
Dest
(Output) • Any real number type register (except for # and C register)
• Any real number type register with subscript (except for # and
C register)
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