Mitsubishi Electric MELSEC iQ-R Series - Converting BCD Format Data to Single-Precision Real Number

7 APPLICATION INSTRUCTIONS
7.9 Real Number Instructions
765
7
Converting BCD format data to single-precision real number
EREXP(P)
These instructions convert BCD floating point format data to single-precision real number data in accordance with the
specified number of digits in the decimal part.
■Execution condition
Setting data
■Descriptions, ranges, and data types
■Applicable devices
Ladder ST
ENO:=EREXP(EN,s1,s2,d);
ENO:=EREXPP(EN,s1,s2,d);
FBD/LD
Instruction Execution condition
EREXP
EREXPP
Operand Description Range Data type Data type (label)
(s1) Start device containing BCD floating point format data  16-bit signed binary ANY16_ARRAY
(Number of elements: 5)
(s2) Number of digits in the decimal part 0 to 7 16-bit signed binary ANY16
(d) Start device for storing a single-precision real number  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)
(s1) (s2) (d)
EN ENO
ds1
s2