Festo Контроллер двигателя CMMD-AS User Manual

Page 39

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3. Product description

Festo P.BE-CMMD-AS-HW-EN 1002NH

39

2. Activation of the "Profile Position Mode"

The positioning mode is activated via the COB 6060_00 (Mode of Operation). This
must be written once, since all internal sectors must be set correctly thereby.
Command:

=606000:01

Profile Position Mode

3. Write position parameters

The target position can be written over the COB 607A_00 (target position). The
target position is thereby written in "position units". That means, it depends on the
set CAN factor group.
The default setting here is 1 / 2

16

revolutions (16 bit portion before the decimal, 16

bit portion after the decimal).
Command:

=607A00:00058000 Target position 5.5 revolutions

The travel speed can be written via the COB 6081_00 (profile velocity),
the final speed via the COB 6082_00 (end velocity).
The speeds are thereby written in "speed units". That means, they depend on the
set CAN factor group.
The default setting here is 1 / 2

12

revolutions/min (20 bit portion before the decimal,

12 bit portion after the decimal).
Command:

=608100:03E80000 Speed of travel 1000 RPM

The acceleration can be written via the COB 6083_00 (profile acceleration),
the deceleration via the COB 6084_00 (profile deceleration) and
the quick stop ramp via the COB 6085 (quick stop deceleration).
The accelerations are thereby written in "acceleration units". That means, they
depend on the set CAN factor group.
The default setting here is 1 / 2

8

revolutions/min/s (24 bit portion before the

decimal, 8 bit portion after the decimal).
Command:

=608300:00138800 Acceleration 5000 RPM/s

4. Start positioning

Positioning is started via the CAN control word (COB 6040_00):

- Controller enable is controlled via bit 0 ... 3 (see above).
- The positioning is started over a rising edge at bit 4.

The following settings are taken over thereby.

- Bit 5 establishes whether an ongoing positioning is ended first before the

new positioning task is taken over (0), or whether the ongoing positioning
should be cancelled (1)

- Bit 6 establishes whether the positioning should be carried out absolutely (0)

or relatively (1).

Command:

=604000:001F

Start absolute positioning or

Command:

=604000:005F

Start relative positioning

5. After positioning has been ended, the condition of the controller is reset so a new

positioning can be started.

Command:

=604000:000F

Bring motor controller into "Ready" status

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