7 APPLICATION INSTRUCTIONS
7.9 Real Number Instructions
831
7
Calculating the exponentiation of single-precision real number
POW(P)
These instructions calculate the exponentiation of a single-precision real number.
■Execution condition
■Description, range, data type
■Applicable devices
Ladder ST
ENO:=POW(EN,s1,s2,d);
ENO:=POWP(EN,s1,s2,d);
FBD/LD
Instruction Execution condition
POW
POWP
Operand Description Range Data type Data type (label)
(s1) Exponentiation recipient data or the start device containing
the exponentiation recipient data
0, 2
-126
|(s1)|<2
128
Single-precision real
number
ANYREAL_32
(s2) Exponentiation data or the start device containing the data 0, 2
-126
|(s2)|<2
128
Single-precision real
number
ANYREAL_32
(d) Start device for storing the operation result Single-precision real
number
ANYREAL_32
EN Execution condition Bit BOOL
ENO Execution result Bit BOOL
Operand Bit Word Double word Indirect
specification
Constant Others
X, Y, M, L,
SM, F, B, SB,
FX, FY
J\ T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
U\G, J\,
U3E\(H)G
Z LT, LST,
LC
LZ K, H E $
(s1)
(s2)
(d)
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant)
(Process)