Maximum Value - Mitsubishi Electric MELSEC Q Series Programming Manual

6 IEC FUNCTIONS

6.8.2 Maximum value

The specified data are searched for the maximum value.
Function definition
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MAX
MAX_E
ANY_SIMPLE MAX( ANY_SIMPLE S1, ANY_SIMPLE S2,...., ANY_SIMPLE Sn );
Argument
Argument Name IN/OUT
S1 to Sn IN
Return value
Return Value
ANY_SIMPLE Search result
Example of use
Argument Type
REAL w_Real4 := MAX(
w_Real1,w_Real2,w_Real3 );
INT D0 := MAX( D1,D2,D3 );
DINT w_DWord4 := MAX( -
2147483648,0,2147483647 );
BOOL w_Bit4 := MAX(
w_Bit1,w_Bit2,w_Bit3 );
STRING w_Str4 := MAX(
"ABC","DEF","GHI" );
Search target data
ST Program Conversion Result
LD
EMOV
LDE<
EMOV
LDE<
EMOV
LD
MOV
LD<
MOV
LD<
MOV
LD
DMOV
LD
OR
OR
OUT
LD
$MOV
LD$<
$MOV
LD$<
$MOV
Description
Description
Used Instruction
SM400 LD,EMOV,LDE<
w_Real1
w_Real4
w_Real4
w_Real2
w_Real2
w_Real4
w_Real4
w_Real3
w_Real3
w_Real4
SM400 LD,MOV,LD<
D1 D0
D0 D2
D2 D0
D0 D3
D3 D0
SM400 LD,DMOV
K2147483647
w_DWord4
w_Bit1 LD,OR,OUT
w_Bit2
w_Bit3
w_Bit4
SM400 LD,$MOV,LD$<
"ABC" w_Str4
w_Str4 "DEF"
"DEF" w_Str4
w_Str4 "GHI"
"GHI" w_Str4
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