Mitsubishi MELSEC iQ-F FX5 series, Programming Manual, Page: 29 / 888

1 OVERVIEW
1.2 Data Specification Method
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Handling 16-bit data with word devices/labels
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Word device
One point of word device can handle 16-bit data.
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Word type label
One point of word type label can handle 16-bit data.
32-bit data (double word data)
Data size and data range
32-bit data includes signed and unsigned 32-bit data.
In signed 32-bit data, a negative number is represented in two's complement.
Handling 32-bit data with bit devices
A bit device can be handled as 32-bit data by performing nibble specification.
Handling 32-bit data with bit type array labels
A bit type array label can be handled as 32-bit data by performing nibble specification.
The following table shows the notation for handling a bit type array label as 32-bit data by nibble specification.
Data name Data size Value range
Decimal notation Hexadecimal notation
Signed 32-bit data 32 bits (2 word) -2147483648 to 2147483647 00000000H to FFFFFFFFH
Unsigned 32-bit data 0 to 4294967295
Item Notation Example
Bit device K8X80
K6B018
Item Notation Example
Bit type array label K8L_BOOL
K
Bit device start number
Number of digits: Specify the number within the range from 1 to 8.
K
Number of digits: Specify a number within the range of 1 to 8.
Label name