BONFIGLIOLI ACTIVE Cube ACU 201-01 Operating Instructions Manual page 148

The positioning is started by a start command from a signal source (e.g. digital input)
which must be assigned to the parameter
source can be selected from the operation modes for digital inputs described in chap-
ter "Digital inputs".
The positioning starts on condition that the
nal is smaller than the value entered in parameter
a stopping behavior, the actual frequency drops below the positioning frequency.
No.
471 Positioning frequency
Via the parameter
from the
No.
472 Max. positional error
Via parameter
trolling the positional error can be set. The value of the time constant should be in-
creased if oscillations of the drive around the reference orientation occur during the
positioning.
No.
479 time constant positioning contr.
To make sure that the set position is maintained if a load torque is applied, a stop-
ping behavior should be selected for parameter
es a starting current either permanently when the drive is at a standstill or for the
stopping time.
The status message "60 - Target Position Reached" which is displayed when the ref-
erence orientation is reached can be assigned to a digital output. The message is
output on the following conditions:
Operation mode 2 (axle positioning) for parameter
−
lected.
− The controller enable signal at digital inputs S1IND/STOA and S7IND/STOB is
switched on.
−
Start Positioning of Axle
The speed sensor monitoring is activated, i.e. operation mode 2 (error message)
−
for parameter
− Operation mode 1004 or 1104 (quadruple evaluation with reference impulse) is
selected for the speed sensor input.
The
−
− The deviation of the current position from the reference orientation is smaller
than the
148
Parameter
Description
Max. positional error
469 can be set.
Reference orientation
Parameter
Description
Time constant positioning controller
Parameter
Description
is activated
37
Operation mode
241 is smaller than 1 Hz.
actual frequency
max. orientation error
Operating Instructions ACU
Start Positioning of Axle
Actual frequency
Positioning frequency
Settings
Min. Max.
1.00 Hz 50.00 Hz
472, the maximum permissible deviation
Settings
Min. Max.
0.1° 90.0°
479, the time constant for con-
Settings
Min. Max.
1.00 ms 9999.99 ms
Operation mode
Operation mode
.
760 of the speed sensor monitoring is selected.
472.
37. The signal
241 of the output sig-
471. Due to
Fact. sett.
50.00 Hz
Fact. sett.
3.0°
Fact. sett.
20.00 ms
630 which impress-
458 is se-
06/13