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Designer: Using the FileClose Instruction
(VID-DD-0061)
This video gives basic information on Using the FileClose "Close File" instruction in the Do-more Designer software. It presents information that is commonly missed by users. This WILL NOT be a complete tutorial for the instruction but rather a supplement to the help file and customer experience.
This instruction is used to close a file that had been opened using the File open instruction. The File handle structure, used here, can be up to 16 characters and consist of any combination of alphanumeric characters and underscores. Make sure to note that this is an edge triggered instruction. It does require an off to on transition. This instruction can be used in Task or Program but cannot be used in a Subroutine or Interrupt service routine. The utility program called Browse PLC File Systems, can be used to manage the contents of any file system.
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