Data Types; Simple Types; Complex Data Types - Mitsubishi Electric FX Series Training Manual

Programming

Data Types

3.4
GX IEC Developer supports the following data types.
3.4.1

Simple Types

Data type
BOOL
INT
DINT
WORD
DWORD
REAL
STRING
TIME
3.4.2

Complex Data Types

ARRAYS
An array is a field or matrix of variables of a particular type.
For example, an ARRAY [0..2] OF INT is a one dimensional array of three integer elements
(0,1,2). If the start address of the array is D0, then the array consists of D0, D1 and D2.
Identifier
Motor_Volts
In software, program elements can use: Motor_Volts[1] and Motor_Volts[2], as declarations,
which in this example mean that D1 and D2 are addressed.
Arrays can have up to three dimensions, for example: ARRAY [0...2, 0...4] has three elements in
the first dimension and five in the second.
Arrays can provide a convenient way of "indexing" tag names, i.e. one declaration in the Local or
Global Variable Table can access many elements.
The following diagrams illustrate graphical representation of the three array types.
Single Dimensional Array
Identifier
Motor_Speed
Training Manual GX IEC Developer
Value range
Boolean Bit Device
Integer
Register
Double Integer
K4M0
Bit String
K8M0
Floating point value 7 digits
Character String 20 Characters (default)
-T#24d0h31m23s64800ms to
Time value
T#24d20h31m23s64700 ms
Address
D0
Type
ARRAY [0..3] OF INT
= Motor_Speed [3]
Size
0 (False), 1 (True) 1 bit
-32768 to +32767 16 bit
-2,147,483.648 to
32 bit
2,147,483,647
0 to 65,535 16 bit
0 to 4,294,967,295 32 bit
32 bit
32 bit
32 bit
Type Length
ARRAY [0...2] OF INT
Data Types
Applicable Devices / PLCs
X, Y, M, B
D, W, R
X, Y, M. B
FX , FX
2N 3U
FX
3U
FX only
3U
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