Mitsubishi Electric MELSEC iQ-R Series - Searching the Maximum Value of Single-Precision Real Number

7 APPLICATION INSTRUCTIONS
7.9 Real Number Instructions
839
7
Searching the maximum value of single-precision real number
EMAX(P)
These instructions search the block data of single-precision real numbers for the maximum value.
*1 The EMAX instruction does not support the ST and FBD/LD. Use the standard function, MAX.
Page 1933 MAX(_E), MIN(_E)
■Execution condition
Setting data
■Descriptions, ranges, and data types
*1 When specifying setting data by using a label, define an array to secure enough operation area and specify an element of the array
label.
■Applicable devices
Ladder ST
*1
ENO:=EMAXP(EN,s,n,d);
FBD/LD
*1
Instruction Execution condition
EMAX
EMAXP
Operand Description Range Data type Data type (label)
(s) Single-precision real number used for maximum value
search, or the start device containing single-precision real
numbers
0, 2
-126
|(s)|<2
128
Single-precision real
number
ANYREAL_32
*1
(d) Start device for storing the search result
(d) to (d)+1: Maximum value
(d)+2: Position
(d)+3: The number of search target data points
 Single-precision real
number
ANY_REAL_32_ARRAY
(Number of elements: 4)
(n) Number of single-precision real number block data points 0 to 65535 16-bit unsigned binary ANY16
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)         
(n)         
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant) (Process)
(s) (d) (n)
EN ENO
sd
n