INVT Goodrive350-19 Series Operation Manual page 344

Goodrive350-19 series VFD for crane
Function
Name
code
Graded multi-step
P90.10
speed reference 4
Graded multi-step
P90.11
speed reference 5
Forward brake
P90.12
release current
Reverse brake
P90.13
release current
Forward brake
P90.14
release torque
Reverse brake
P90.15
release torque
Forward brake
P90.16
release frequency
Reverse brake
P90.17
release frequency
Forward brake
P90.18
closing frequency
Reverse brake
P90.19
closing frequency
Delay before
P90.20
forward brake
Description
Trml 1 Trml 2 Trml 3 Trml 4 Trml 5
OFF OFF OFF OFF
ON OFF OFF OFF
ON ON OFF OFF
ON ON ON OFF
ON ON ON ON
ON ON ON ON
Set P00.06=15 or P00.07=15. The multi-step
speed setting terminals are specified by P05 or
P25, which can select functions 77–8. The
speeds are specified by
(P00.03: max. frequency).
P90.06, P90.07, P90.08, P90.09, P90.10,
P90.11 setting range: 0.0%–100.0%
Note: The multi-step settings of a higher
grade can be closed only after the multi-step
settings of all lower grades are closed.
Brake timing diagram in V/F mode:
FWD/REV
Stop
run
command
FWD T1 T2
T1 T2
output
frequency
FWD brake
release
FWD brake closing frequency
frequency
Torque
verification OK
Brake
closing
Close
command
T5 T6
T5 T6
REV brake
release
frequency
REV output
frequency
Torque
verification OK
Brake
Close
feedback
signal
Close
Brake action
T1: Delay before forward brake release P90.20
T1: Delay before forward brake release P90.20
T2: Delay after forward brake release P90.22
T2: Delay after forward brake release P90.22
T5: Delay before reverse brake release P90.21
T5: Delay before reverse brake release P90.21
T6: Delay after reverse brake release P90.23
T6: Delay after reverse brake release P90.23
T9: Maintenance frequency hold time during DEC P90.29
T9: Maintenance frequency hold time during DEC P90.29
Use forward-running timing sequence as
-332-
Speed
Code
setting
Graded
OFF P90.06
setting 0
Graded
OFF P90.07
setting 1
Graded
OFF P90.08
setting 2
Graded
OFF P90.09
setting 3
Graded
OFF P90.10
setting 4
Graded
ON P90.11
setting 5
P90.06–P90.11
Start Stop
T9 T3 T4
T9
T3 T4
Maintenance frequency
during DEC
Release Close
T7 T8
T7 T8
REV brake closing
frequency
T9
T9
Maintenance
frequency during
DEC
Release
Release
T3: Delay before forward brake closing P90.24
T3: Delay before forward brake closing P90.24
T4: Delay after forward brake closing P90.26
T4: Delay after forward brake closing P90.26
T7: Delay before reverse brake closing P90.25
T7: Delay before reverse brake closing P90.25
T8: Delay after reverse brake closing P90.27
T8: Delay after reverse brake closing P90.27
Function parameter list
Default Modify
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
3.00Hz
3.00Hz
Close
3.00Hz
Close
3.00Hz
0.300s
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