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Festo Контроллер двигателя SFC-ST User Manual

Page 103

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A. Technical appendix

A−19

Festo P.BE−SFC−DC−PB−S7−E N en 0604NH

Starting the positioning task

Set_Value_Velocity

Start_
Positioning_Task

Ack_Start

MC

N − 1

N

N + 1

1

0

1

0

1

0

1

0

N + 2

Set_Value_Position

N − 1

N

N + 1

1

0

N + 2

Fig. A/6:

Start the positioning task

The sequence of the remaining control and status bits as well
as the functions Halt and Stop react as with the function
Record Select, see Fig. A/3, Fig. A/4 and Fig. A/5.

Causes of faults in application

ć

No referencing carried out.

ć

Target position cannot be reached or lies outside the
software end positions.