Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 User Manual

692
Double-precision Floating-point Instructions (CS1-H, CJ1-H, CJ1M, or CS1D Only) Section 3-16
Flags
Precautions The source data in words S to S+3 must be in IEEE754 floating-point data for-
mat.
3-16-20DOUBLE EXPONENTIAL POWER: PWRD(860)
Purpose Raises a double-precision (64-bit) floating-point number to the power of
another double-precision (64-bit) floating-point number.
This instruction is supported by CS1-H, CJ1-H, CJ1M, and CS1D CPU Units
only.
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
Name Label Operation
Error Flag ER ON if the source data is not recognized as floating-point
data.
ON if the source data is negative.
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 double-precision (64-bit) floating-point
value.
Underflow Flag UF Unchanged
Negative Flag N ON if the result is negative.
OFF in all other cases.
PWRD(860)
B
E
D
B: First base word
E: First exponent word
D: First destination word
Variations Executed Each Cycle for ON Condition PWRD(860)
Executed Once for Upward Differentiation @PWRD(860)
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification Not supported.
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
Area B E D
CIO Area CIO 0000 to CIO 6140
Work Area W000 to W508
Holding Bit Area H000 to H508
Auxiliary Bit Area A000 to A956 A448 to A956
Timer Area T0000 to T4092
Counter Area C0000 to C4092
DM Area D00000 to D32764
EM Area without bank E00000 to E32764

Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Specifications

General

Brand	Omron
Model	SYSMAC CJ - REFERENCE MANUAL 08-2008
Category	Controller
Language	English