Mitsubishi Electric MELSEC iQ-R Series - Data Types

28 LABELS
28.4 Data Types
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28
28.4 Data Types
The data types of a label are classified according to the bit length, processing method, and value range.
There are two data types.
• Primitive data type
• Generic data type (ANY type)
Primitive data type
The following table lists the data types included in the primitive data type.
Data type Description Value range Bit length
Bit BOOL Represents the
alternative status,
such as on or off.
0 (FALSE), 1 (TRUE) 1 bit
Word [unsigned]/bit
string [16 bits]
WORD 16-bit array 0 to 65535 16 bits
Double word
[unsigned]/bit string
[32 bits]
DWORD 32-bit array 0 to 4294967295 32 bits
Word [signed] INT Positive and negative
integer values
-32768 to 32767 16 bits
Double word [signed] DINT Positive and negative
double-precision
integer values
-2147483648 to 2147483647 32 bits
Single-precision real
number
*1
REAL Numerical values of
decimal places
(single-precision real
number values)
-2
128
to -2
-126
, 0, 2
-126
to 2
128
E-3.402823+38 to E-1.175495-38, 0, E1.175495-38 to E3.402823+38
32 bits
Double-precision real
number
*1
LREAL Numerical values of
decimal places
(double-precision real
number values)
-2
1024
to -2
-1022
, 0, 2
-1022
to 2
1024
E-1.79769313486231+308 to E-2.22507385850721-308, 0,
E2.22507385850721-308 to E1.79769313486231+308
64 bits
Time
*2
TIME Numerical values as
day, hour, minute,
second, and
millisecond
T#-24d20h31m23s648ms to T#24d20h31m23s647ms
*3
32 bits
String STRING Characters
represented by ASCII
code or Shift JIS code
255 one-byte characters maximum Variable
String [Unicode] WSTRING Characters
represented by
Unicode
255 characters maximum Variable
Timer TIMER Structure
corresponding to the
device, timer (T)
Page 498 Timer and counter data types
Retentive timer RETENTIVETIMER Structure
corresponding to the
device, retentive timer
(ST)
Long timer LTIMER Structure
corresponding to the
device, long timer (LT)
Long retentive timer LRETENTIVETIMER Structure
corresponding to the
device, timer (LST)
Counter COUNTER Structure
corresponding to the
device, counter (C)
Long counter LCOUNTER Structure
corresponding to the
device, counter (LC)
Pointer POINTER Type corresponding to the device, pointer (P) ( Page 484 Pointer (P))