FIFO ( First In First Out )
Function name | FIFO_010 |
---|---|
Function version | 1.0 |
Function state | stable |
Compatibility with IEC61131-3 | not compatible |
Graphic symbol :
Input / Output :
Name | Belonging Group | Access | Types of data | Description |
---|---|---|---|---|
EN | Left Power Flow | IEC1131-3 enable input | ||
TBL | Name array | Table name | ||
DATA | Normal | W , RW | F , B , W , L , S | Extracted data |
ENO | Right Power Flow | IEC1131-3 enable output |
The operation First In First Out, cancels the first record of the table (TBL) and it transfers the value in the specified addresses (DATA). The other records of the table are shifted of one position toward the top. For each record done, the number of records (pointers) of the table is decremented of 1.
Error conditions that sets ENO = 0: empty table.