Equipments (Devices) > SCA06 > Ladder > Conversion > WORD > DWORD_TO

Block that performs the conversion of a 32 bits (DWORD) value in two 16 bits (2 WORD) value.

Ladder Representation

DWORD_TO_WORDS_block

Block Structure

Variable Type	Name	Data type	Description
VAR_INPUT	EN	BOOL	Block enabling
VAR_INPUT	Value	DWORD UDINT DINT	Value in DWORD
VAR_OUTPUT	ENO	BOOL	End of operation
	Result1	WORD UINT INT	Value in WORD (Less Significant Word)
	Result2	WORD UINT INT	Value in WORD (More Significant Word)

Operation

When this block has a TRUE value in EN, it interprets the value as DWORD and converts it in two WORD variables (Result1 and Result2), storing in Result.

When EN has FALSE value, Result remains unchanged.

The ENO value forwards to the next Ladder block the EN value after the operation is completed.

Block Flowchart

DWORD_TO_WORDS_flowchart

Example in Ladder

DWORD_TO_WORDS_example01

DWORD_TO_WORDS_example02

The examples above perform the conversion of a variable VALUE, in DWORD, in two WORD values storing the final result in RESULT1 and RESULT2. The block ends with success and ENO output is activated.

Example in ST

The example below displays the instructions for applying the example above in the ST language.

VAR

VALUE : DINT := 65536;

RES1 : INT;

RES2 : INT;

END_VAR

DO1 := FB_DWORD_TO_WORDS(

EN:=DI1,

Value:=VALUE,

Result1=>RES1,

Result2=>RES2);