Input Description¶
xExecute
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| BOOL | - | - | - |
The Function Block is activated via a positive edge at this input.
sFileName
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| CAA_FILENAME | - | - | - |
Input sFileName specifies an absolute file name which has to be added to archive. The file name appears in archive in uppercase.
eFileMode
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| FILE_MODE | - | - | - |
Input eFileMode determines the opening mode for the file.
“File lock” describes, if a file can be opened again, while it is still opened in one of the modi. “File size” defines how the file size is treated by the open-operation. “File pointer” describes the initial position of the pointer into the file after the open operation.
| FILE_MODE | Description |
|---|---|
| FILE_MWRITE | “write only” - write data to a file. File lock: Cannot be reopened in any other mode. File size: File is createdor existing file content is deleted. File pointer: At beginning of file. |
| FILE_MREAD | “read only” - read data from a file. File lock: Can be reopened in read-mode. File size: Unchanged, no writing possible. File pointer: At beginning of file. |
| FILE_MRDWR | “read and write” - read and write data to a file. File lock: Cannot be reopened in any other mode. File size: File is created or existing file content is deleted. File pointer: At beginning of file. |
| FILE_MAPPD | “append to a file” - read and write to a file. File lock: File can be reopened in read mode. File size: File is created (if not existing), existing file content kept. File pointer: At end of file. |
xEclusive
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| BOOL | - | - | - |
Additional input for file access mode.
Note
This input is not supported on the AC500 PLCs.