en:software:qview:qview_6:ladder_library:20134

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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.


  • Last modified: 2019/08/29 17:01