7 APPLICATION INSTRUCTIONS
7.9 Real Number Instructions
761
7
Converting string data to single-precision real number
EVAL(P)
These instructions convert a string to a single-precision real number.
■Execution condition
■Descriptions, ranges, and data types
■Applicable devices
Ladder ST
ENO:=EVAL(EN,s,d);
ENO:=EVALP(EN,s,d);
FBD/LD
Instruction Execution condition
EVAL
EVALP
Operand Description Range Data type Data type (label)
(s) Character string data to be converted into single-precision
real number data, or the start device containing the
character string data
String ANYSTRING_SINGLE
(d) Start device for storing the converted single-precision real
number data
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)