Parameter
Parameter manual
b maXX
®
1000
Document no. 5.07004.03
123
4
P1210
The maximum value depends on the b maXX
®
used, up to 410.0 V for single-phase de-
vices and up to 820.0 V for three-phase devices.
During deceleration, the DC bus voltage may exceed its maximum allowable value due
to motor regeneration. When this function is enabled, the b maXX
®
1000 will not deceler-
ate further and keep the output frequency constant until the voltage drops below the pre-
set value again.
Over-voltage stall prevention must be disabled (
= 0) when a brake unit or brake
resistor is used.
Figure 53:
Over-voltage stall prevention
P1210
Überspannung Abschaltschutz
330.0 to 410.0 V
DC
or
660.0 to 820.0 V
DC
EE
Over-voltage stall prevention
390.0 V or 780.0 V
STOP
BM_u_OverVoltageStallPrevention
10:1
NOTE
With moderate inertia load, over-voltage stall prevention will not occur and the real decelera-
tion time will be equal to the setting of deceleration time. The b maXX
®
1000 will automatically
extend the deceleration time with high inertia loads. If the deceleration time is critical for the
application, a brake resistor or brake unit should be used.
Содержание b maXX 1000
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