Lenze E82xVxxxKxxxxx - Manual (Page 294)

Function library
Acceleration, deceleration, braking, stopping
AC motor braking
10
l
294 EDS82EV903 EN 3.0
10.6.5 AC motor braking
Description
With the parameter set changeover in dependence of the DC−bus voltage, the AC motor
braking can be used as alternative for DC braking (DCB). The AC motor braking is a braking
method without external brake resistor for the control mode V/f characteristic control
with linear characteristic".
)
Note!
The AC motor braking can only be used with the control mode V/f
characteristic control with linear characteristic" (C0014 = 2).
ƒ With mains voltages up to approx. AC 400 V shorter braking times can be reached
than with the DC injection braking.
ƒ The braking times for braking via an external brake resistor are approx. 33 % shorter
than for AC motor braking.
Codes for parameter setting
Code Possible settings IMPORTANT
No. Name Lenze Selection
C0988
* DC−bus voltage
threshold for
DC−bus voltage
control 0 0
= changeover of
the parameter set
via DC−bus
voltage
deactivated {1 %} 200 l It is always changed over
between PAR1 and PAR2
l Changeover of the parameter
set via terminal, bus or PC is
not possible if C988 > 0!
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