problem with read data block scl

slentnight · Jan 10, 2015

Code:

FUNCTION_BLOCK FB283

VAR_INPUT
DB_number: BLOCK_DB;
add : int;
END_VAR

VAR_OUTPUT
out:INT;
END_VAR

VAR

end_var


BEGIN

out:=WORD_TO_INT(BLOCK_DB_TO_WORD(DB_number.DB[add]));


END_FUNCTION_BLOCK

I create 1 DB1 , i wanna read data from two address 0.0 and 0.2 , but i can't , plz help me

L D[AR2P#0.0] · Jan 10, 2015

Better to state that your code will not compile. Try this instead:

Code:

FUNCTION_BLOCK FB283

VAR_INPUT
DB_number: BLOCK_DB;
add : int;
END_VAR

VAR_OUTPUT
out:INT;
END_VAR

BEGIN
out:=WORD_TO_INT(db_number.dw[add]);

END_FUNCTION_BLOCK

slentnight · Jan 10, 2015

thanks you

problem with read data block scl

slentnight

Member

L D[AR2P#0.0]

Lifetime Supporting Member

slentnight

Member

Similar Topics