7 APPLICATION INSTRUCTIONS
7.9 Real Number Instructions
819
7
Calculating the exponent of single-precision real number
EXP(P)
These instructions calculate the exponent of the value specified by a single-precision real number.
*1 The EXP instruction does not support the ST and FBD/LD. Use the standard function, EXP.
Page 1899 EXP(_E)
■Execution condition
■Description, range, data type
■Applicable devices
Ladder ST
*1
ENO:=EXPP(EN,s,d);
FBD/LD
*1
Instruction Execution condition
EXP
EXPP
Operand Description Range Data type Data type (label)
(s) Data used for exponential operation, or the start device
containing the data
0, 2
-126
|(s)|<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 $
(s)
(d)
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant)
(Process)