3 output parameters, Output parameters – Festo Контроллер двигателя SFC-ST User Manual
Page 68
4. Parametrizing blocks
4−14
Festo P.BE−SFC−DC−PB−S7−E N en 0604NH
4.4.3
Output parameters
Parameters
DeclaĆ
ration
Data
type
Description
_Start_R_WR
OUTPUT
BOOL
Start transfer of individual parameters
_RD_WR
OUTPUT
BOOL
Read/write individual parameter
_PNU
OUTPUT
INT
PNU of the current parameter
_Subindex
OUTPUT
BOOL
Subindex of the current parameter
_Length_WR
OUTPUT
INT
Length of the current parameter in BYTE
_Value_WR
OUTPUT
DWORD
Current parameter value to be written
Done_RxTx
OUTPUT
BOOL
Read DB / write DB completed
Progress
OUTPUT
INT
Progress of transmission in %
Fault_RxTx
OUTPUT
BOOL
Fault with Read DB / write DB
RET_VALUE
OUTPUT
INT
Return value after incorrect processing of the block
Tab. 4/8:
Output parameter PRM_DB−FILE
The block is ready to operate when the Done bit supplies
TRUE and there are no faults. Transmission is started with a
positive edge; the progress of the transmission is shown in
percent at the Progress" output. During transmission the
Done bit is set to FALSE.