LoadString

 Function A function calculates a result according to the current value of its inputs. A function has no internal data and is not linked to declared instances. - Loads a string from the active string table.

Inputs

Input	Data Type	Range	Unit	Default	Description
ID	DINT				ID of the string as declared in the string table.

Outputs

Output	Data Type	Range	Unit	Description
Q	STRING			Loaded string or empty string in case of error.

Remarks

• This function loads a string from the active string table and stores it in a STRING variable.
  • The StringTable function is used for selecting the active string table.
• The ID input (the string item identifier) is an identifier declared within the string table resource.
  • You don't need to define this identifier again - the system does it for you.

FBD Language Example

FFLD Language Example

IL Language Example

Op1: LD Ladder diagram - This is a method of drawing electrical logic schematics. It is a very popular graphical language for programming Programmable Logic Controllers (PLCs). It was originally invented to describe logic made from relays. The name is based on the observation that programs in this language resemble ladders, with two vertical rails and a series of horizontal rungs between them.         ID
     LoadString
     ST         Q

ST Language Example

Q := LoadString (ID);

See Also

StringTable