Справочник Пользователя для Mitsubishi Electronics QCPU

7-296

LOG(P)

7.12.23

Natural logarithm operation on floating-point data

(Single precision) (LOG(P))

LOG(P)

*2: Applicable for the Universal model QCPU only.

Function

(1) Returns the natural logarithm of the value designated by

taking (e) as base, and stores

operation results at device designated by

(2) Only positive values can be designated by

. (Operation cannot be performed on negative

numbers.)

Basic model QCPU: The upper five digits of the serial No. are "04122" or larger.

: Data of which the natural logarithm is obtained or head number of the devices where the data is stored

(real number)

: Head number of the devices where the operation result will be stored (real number)

Settiing

Data

Internal Devices

R, ZR

Constants

Other

Bit

Word

Bit

Word

––

Process

High

performance

Redundant Universal

Ver.

Basic

Command

LOGP

LOG

LOGP

LOG

32-bit floating-point
real number

(

)

32-bit floating-point
real number

log