Beckhoff AX2000 PROFIBUS DP communication profile Manual de usuario descargar pdf (Pagina 28)

4.2.5.6 PNU 1786: deceleration time

This parameter defines the total time or rate (depending on the type of units selected for deceler

ation) to reduce the velocity to 0 at the target position.

4.2.5.7 PNU 1787: deceleration jolt limiting

This parameter defines the form of the braking/deceleration ramp.

If a value ¹ 0 is entered here, then a sin²-ramp (S-curve) is used for braking/deceleration.

4.2.5.8 PNU 1788: next motion task

The motion task number of the motion task to be started can be from 1 to 180 (motion tasks in

EEPROM) or 192 to 255 (motion tasks in RAM).

4.2.5.9 PNU 1789: start delay

This parameter is used to set a delay time before the start of a motion task.

4.2.5.10 PNU 1310: copy motion task

This parameter can be used to copy motion tasks. The source motion task must be entered in the

high-value portion of PWE (PZD5&6)andthetarget motion task must be entered in the low-value

portion of PWE (PZD 7 & 8).

4.2.5.11 PNU 1311: position, 32 bit floating decimal point format

With this object the target position for motion task 0 (direct motion task, see ASCII – command

O_P) can be set in 32 Bit Floating decimal point format (IEEE).

Right of decimal point positions will be truncated. This objekt is, aside from the data format, identi-

cal PNU 1790. The defaults are indicated in micrometers.

Use:

Controls that support only 16 Bit integer and 32 Bit floating decimal point.

4.2.5.12 PNU 1312: velocity, 32 bit floating decimal point format

With this object the velocity for motion task 0 (direct motion task, see ASCII – command O_V) can

be set in 32 Bit Floating decimal point format (IEEE).

Right of decimal point positions will be truncated. This objekt is, aside from the data format, identi

cal PNU 1791.

Use:

Controls that support only 16 Bit integer and 32 Bit floating decimal point.

28 PROFIBUS for AX2000/2500

Using the parameter channel (PKW) 12/05 BECKHOFF

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Beckhoff AX2000 PROFIBUS DP communication profile Manual de usuario Pagina 28