7.11.4 RESET_VAR

Function

Supports data reset (zeroing) of STRING, UDT and array data types

LD graphics

Parameter description

Interface variable	Declaration	Data type	Description
RES_VAR	VAR_IN_OUT	ANY_TYPE	Variable name that needs to be reset
Function name	Return value	BOOL	Returns the instruction status, TRUE means the instruction is executed correctly, FALSE means the instruction execution error

Example

• LD sample pictures are shown below:

• ST example is shown in the following code

r:=RESET_VAR(RES_VAR:=ss);