Natural Logarithm Operation On Floating-Point Data (Single Precision) (Log(P)) - Mitsubishi MELSEC Q Series Programming Manual

7.12.23
Natural logarithm operation on floating-point data
(Single precision) (LOG(P))
LOG(P)
LOG
LOGP
Settiing
Data
S
D
Function
(1) Returns the natural logarithm of the value designated by
operation results at device designated by
(2) Only positive values can be designated by
numbers.)
Basic model QCPU: The upper five digits of the serial No. are "04122" or larger.
Command
Command
: Data of which the natural logarithm is obtained or head number of the devices where the data is stored
S
(real number)
: Head number of the devices where the operation result will be stored (real number)
D
Internal Devices
R, ZR
Bit Word
––
––
S +1 S
log
(
32-bit floating-point
real number
Ver.
High
Basic
performance
LOG
LOGP
J \
U \G
Bit Word
––
––
*1: Applicable for the Universal model QCPU, LCPU.
taking (e) as base, and stores
S
.
D
D +1
)
32-bit floating-point
real number
. (Operation cannot be performed on negative
S
LOG(P)
Process
Redundant Universal LCPU
S D
S D
Constants
Zn Other
E
*1 ––
*1 –– ––
D
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