hsioEncoderRead (Function)

hsioEncoderRead reads the current position of the encoder.

Input:

id : INT (1..2) default 1

Identifier of the encoder to read the position of.

Returns: DINT

The current position of the encoder.

Returns 0 on error.

Declaration:

FUNCTION hsioEncoderRead : DINT;
VAR_INPUT
  id    : INT := 1;
END_VAR;

Example:

INCLUDE rtcu.inc
 
PROGRAM test;
BEGIN
  ...
  // Get position
  DebugFmt(message:="Position: \4", v4:= hsioEncoderRead(id := 1));
  ...
END;
 
END_PROGRAM;