32-Bit Data (Double Word Data) - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

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.
Data name
Signed 32-bit data
Unsigned 32-bit data
Handling 32-bit data with bit devices
A bit device can be handled as 32-bit data by performing digit specification.
Item
Bit device Other than link direct device
Link direct device
A bit device used in safety programs executed by the Safety CPU can be handled as 32-bit data by performing digit
specification.
Item
Bit device
Handling 32-bit data with bit type array labels
A bit type array label can be handled as 32-bit data by performing digit specification.
The following table shows the notation for handling a bit type array label as 32-bit data by digit specification.
Item
Bit type array label
Data size Value range
Decimal notation
32 bits (2 word) -2147483648 to 2147483647
0 to 4294967295
Notation
K
Bit device start number
Number of digits: Specify the number within the range of 1 to 8.
J /K
Bit device start number
Number of digits: Specify the number within the range of 1 to 8.
Network number
Notation
SA\K
Bit device start number
Number of digits: Specify the number within the range of 1 to 8.
Notation
K
Label name
Number of digits: Specify the number within the range of 1 to 8.
Specify a label name without an array element.
Hexadecimal notation
00000000H to FFFFFFFFH
Example
K8X80
K6B018
J1\K7B30
J10\K5X128
Example
SA\K8X80
SA\K6B018
Example
K8L_BOOL
1 OVERVIEW
1.2 Data Specification Method
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