Description of the Software Modules and Parameters
Parameter manual b maXX BM5800
Document No.: 5.16029.03
491
of 814
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3.7.5.2 Parameter overview field weakening
Functional block: FbFieldweak [142]
Number Name Type Min Max Default Value Unit Factor
Read only
Storage
DS Support
Cyclic Write
Axis-independent
142.1 Field weakening mode UINT 0 0xFFFF 0 1:1 X
142.2 Field weakening factor FLOAT 0 1 1 1:1 X
142.3 Kp field weakening con-
troller
FLOAT 0 1000 0.002 1/V 1:1 X
142.4 Tn Field weakening con-
troller
FLOAT 0 10000 3000 ms 1:1 X
142.5 Minimum field weak fac-
tor
FLOAT 0 1 0 1:1 X X
142.6 Max. total PWM voltage
actual value
FLOAT 0 1000 0 V 1:1 X
142.7 PWM total voltage
smoothed
FLOAT 0 1000 0 V 1:1 X
142.8 Voltage threshold for
field weakening
FLOAT 50 600 600 V 1:1 X
142.9 Speed threshold for field
weakening
FLOAT 10 500000 3000 U/min 1:1 X
142.10 Smoothing time PWM
total voltage
FLOAT 0 20 10 ms 1:1 X
142.12 Field controller due to
speed
FLOAT 0 1 1 1:1 X
142.13 Field weakening control-
ler output
FLOAT 0 1 1 1:1 X
142.15 Factor field weak
threshold
FLOAT 0 1 1 1:1 X O
142.19 Kp breakdown torque
controller
FLOAT 0 1000 0.001 1/V 1:1 X
142.20 Tn breakdown torque
controller
FLOAT 0.01 10000 20 ms 1:1 X
142.21 Factor breakdown
torque threshold
FLOAT 0 1.15 1.02 1:1 X
142.22 Breakdown torque con-
trol output
FLOAT 0 1 1 1:1 X
142.23 Voltage limit field weak-
ening controller
FLOAT 0 600 0 V 1:1 X