Omron CJ - INSTRUCTIONS User Manual

3. Instructions
496
CS/CJ/NSJ Series Instructions Reference Manual (W474)
EXP
Applicable Program Areas
Operands
z Operand Specifications
Flags
Instruction Mnemonic Variations
Function
code
Function
EXPONENT EXP @EXP 467
Calculates the natural (base e) exponential of a
32-bit floating-point number and places the result
in the specified result words.
Symbol
EXP
Area
Function block
definitions
Block program areas Step program areas Subroutines Interrupt tasks
SFC action or
transition programs
Usage OK OK OK OK OK OK
Operand Description Data type Size
S First source word REAL 2
R First result word REAL 2
Area
Word addresses
Indirect DM/EM
addresses
Con-
stants
Registers
TK CF
Pulse
bits
TR
bits
CIO WR HR AR T C DM EM
@DM
@EM
*DM
*EM
DR IR
Indirect
using IR
S
OK OK OK OK OK OK OK OK OK OK
OK
--- --- OK --- --- --- ---
R ---
Name Label Operation
Error Flag ER • ON if the source data is not recognized as floating-point data.
• ON if the source data is not a number (NaN).
• OFF in all other cases.
Equals Flag = • ON if both the exponent and mantissa of the result are 0.
• OFF in all other cases.
Overflow Flag OF • ON if the absolute value of the result is too large to be expressed as a 32-bit floating-point value.
• OFF in all other cases.
Underflow Flag UF • ON if the absolute value of the result is too small to be expressed as a 32-bit floating-point value.
• OFF in all other cases.
Negative Flag N OFF
S: First source word
R: First result word
EXP(467)
S
R

Omron CJ - INSTRUCTIONS Specifications

General

Brand	Omron
Model	CJ - INSTRUCTIONS
Category	Controller
Language	English