Goodrive350-19 series VFD Commissioning
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Brake
action
Brake
feedback
signal
Brake control
signal
FWD output
frequency
(FWD/REV)
Running
command
Close
Release
Close
T1
T4
Frequency of
grade 1 or 2
FWD brake
closing
frequency
FWD
brake
release
frequency
Torque verifying is OK
T2
T3
REV output
frequency
T5
T8
T6
T7
T1: Delay before forward brake release P90.20 T3: Delay before forward brake closing P90.24
T2: Delay after forward brake release P90.22
T4: Delay after forward brake closing P90.26
T5: Delay before reverse brake release P90.21 T7: Delay before reverse brake closing P90.25
T6: Delay after reverse brake release P90.23
T8: Delay after reverse brake closing P90.27
P90.16
P90.17
P90.18
P90.19
REV brake
closing
frequency
Torque verifying is OK
REV
brake
release
frequency
Frequency of
grade 1 or 2
C. During the stop process, you can enable the maintenance frequency so that the device runs at a
low speed within a small period of time before the stop, since impact may be caused if the device
directly stops at a high speed. The maintenance frequency for stop can be enabled by setting P90.29
to a value greater than 0. You can set the maintenance frequency through P90.30. The timing
sequence is as follows: