char

 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. - Builds a single character string.

Inputs

Input	Data Type	Range	Unit	Default	Description
CODE	DINT				ASCII code of the specified character.

Outputs

Output	Data Type	Range	Unit	Description
Q	STRING			STRING containing only the specified character.

Remarks

None

FBD Language Example

FFLD Language Example

• In the FFLD "Free Form Ladder Diagram" Language, the input rung (EN) enables the operation.
  • The output rung (ENO) keeps the same value as the input rung.

IL Language Example

• In the IL "Instruction List" This is a low-level language and resembles assembly Language, the input parameter (CODE) must be loaded in the current result before calling the function.

Op1: LD "Ladder diagram"
Ladder logic is a method of drawing electrical logic schematics. It is now 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   CODE
     CHAR
     ST   Q

ST Language Example

Q := CHAR (CODE);

See Also

ascii