Reference Values; Frequency Limits; Slip Frequency; Percentage Value Limits - BONFIGLIOLI ACTIVE Cube ACU 201-01 Operating Instructions Manual

14 Reference Values

The ACU series frequency inverters can be configured specific to the application and
enable customer-specific adaptation of the module hardware and software structure.
14.1

Frequency Limits

The output frequency of the frequency inverter and thus the speed setting range are
defined by the parameters
The corresponding control methods use the two limit values for scaling and calculat-
ing the frequency.
No. Description
418 Minimum Frequency
419 Maximum Frequency
The factory setting is dependent on the adjustment of parameter
1)
3.5 Hz in configurations 1xx, 4xx, 6xx
2)
0.00 Hz in configurations 2xx, 5xx
14.2

Slip Frequency

The torque-forming current component and thus the slip frequency of the 3-phase
machine depend on the required torque in the case of the field-oriented control
methods. The field-oriented control method also includes the parameter
719 to limit the torque in the calculation of the machine model. The rated slip
cy
calculated from the rated motor parameters is limited in accordance with the
frequency
No. Description
719 Slip Frequency
14.3

Percentage Value Limits

The setting range of the percentages is defined by the parameters
ence percentage
methods use the two limit values for scaling and calculating the frequency.
No. Description
518 Minimum Reference Percentage
519 Maximum Reference Percentage
14.4

Frequency reference channel

The different functions for the defining the reference frequency are connected via the
frequency reference value channel. The
the additive assignment of the available reference value sources depending on the
hardware installed.
154
Minimum frequency
Parameter
719 which is parameterized as a percentage.
Parameter
518 and
Maximum reference percentage
Parameter
Operating Instructions ACU
418 and
Maximum frequency
Settings
Min. Max.
0.00 Hz 999.99 Hz
0.00 Hz 999.99 Hz
Settings
Min. Max.
0 % 10000 %
519. The relevant control
Settings
Min. Max.
0.00 % 300.00 %
0.00 % 300.00 %
Reference frequency source
419.
Fact. sett.
1)
3.50 Hz
2)
0.00 Hz
50.00 Hz
30:
Configuration
Slip frequen-
Slip
Fact. sett.
330 %
Minimum refer-
Fact. sett.
0.00 %
100.00 %
475 determines
06/13