Input Description¶
xExecute
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| BOOL | - | - | - |
The Function Block is activated via a positive edge at this input.
xAbort
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| BOOL | - | - | - |
Input xAbort stops the Function Block’s processing without waiting for it to finish.
udiTimeOut
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| UDINT | - | - | - |
Input udiTimeOut defines the time out in microseconds for the Function Block to wait on the operation to be finished. A value of 0 means no time out.
hFile
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| CAA_HANDLE | - | - | - |
File handle retrieved with CAA_Open.
pBuffer
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| CAA_PVOID | - | - | - |
Target address of the buffer where read data will be copied to; can be retrieved via operator ADR.
szSize
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| CAA_SIZE | - | - | - |
Output szSize is set to the number of bytes copied.