Festo Контроллер двигателя SFC-ST User Manual
Page 51

3. Control block
3−7
Festo P.BE−SFC−DC−PB−S7−E N en 0604NH
Parameter
Description
Data
type
DeclarĆ
ation
Start_Task
INPUT
BOOL
Start current task.
With a
rising edge the current nominal values will be
transferred and positioning started (record 0 = reference
travel).
Operation_Mode
INPUT
BOOL
Selecting the operating mode
FALSE: Record Select
TRUE:
Direct mode
Absolute_Relative INPUT
BOOL
Positioning mode
FALSE: Nominal value is absolute.
TRUE:
Nominal value is relative to last nominal value
Clear_Remaining_
Position
INPUT
BOOL
Deletes the unfinished positioning task after a stop.
In the Halt" status, a positive signal edge causes the
positioning task to be deleted and transfer to the Ready"
status.
Jog_pos
INPUT
BOOL
Jogging positive
The drive moves at the specified speed in the direction of
larger actual values, providing the bit is set. The movement
begins with the rising edge and ends with the falling edge.
Jog_neg
INPUT
BOOL
Jogging negative
The drive moves at the specified speed in the direction of
smaller actual values, see Jog_neg".
Teach_Actual_
Value
INPUT
BOOL
Teach th ecurrent position, see appendix A.2.4.
The Teach target is defined with PNU 520.
Record_No
INPUT
INT
Preselect of record number for Record Select
(1 ... 31, 0 = reference travel).
Set_Value_
Velocity
INPUT
INT
Preselect of speed for direct mode
(in % of the maximum speed)
Set_Value_
Position
INPUT
DINT
Preselect of position for direct mode:
ć position in measured unit, depends on position factor.
Tab. 3/2:
Input parameter SFC_DC_CTRL"