B&R 8I84T200037.01P-1, Руководство пользователя

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Programming guidelines
164 ACOPOSinverter P84 User's Manual 2.10
Drive parameters (continued)
Code Name/Description Setting range Factory settings
Ubr [Braking level] Depending on the volt-
age of the inverter
DC bus voltage threshold value above which the brake transistor turns on, to limit the voltage.
8I84T2*****.01P-1: Factory setting 395 V
8I84T4*****.01P-1: Factory setting 785 V
The setting range depends on the rated voltage of the inverter and the parameter [line voltage] (UrES) , see "MGT. UNDERVOLTAGE (USB-)
AND IGBT TEST (TLT-)" on page 298 .
bbA [Control Braking perf.] [No] (nO)
nO [No] (nO) : Function not active.
YES
[Yes]
(YES) : Function active. Must be used for inverters that are connected in parallel on the DC bus.
Compensation of the brake power between the inverters. The parameter [Switch point chopper] (Vbr) must be set to the same value on all
inverters.
The value [Yes] (YES) is possible if [Adj. decel ramp] (brA) = [No] (nO) .
LbA [Load sharing] [No] (nO)
When 2 motors are connected mechanically and therefore at the same speed, and each is controlled by a inverter, this function can be used to
improve torque distribution between the two motors. To do this, it varies the speed based on the torque.
nO
[No]
(nO) : Function not active.
YES [Yes] (YES) : Function active. The parameter can be accessed when [motor control type] (Ctt) does not correspond to [V/f Reg 2P] (UF2) or
[V/f Reg 5P] (UF5) .
LbC [Load sharing correction]
1)
0 to 599 Hz 0
Correction of the nominal value in Hz.
This parameter can be accessed if [Load distribution] (LbA) = [Yes] (YES)
Torque
Nominal torque
Nominal torque
Frequency 0
1) This parameter can also be accessed via the [SETTINGS] (SEt-) menu.
Parameter that can be modified during operation or when stopped.