Controllers
Parameter manual b maXX BM5800
Document No.: 5.16029.03 Baumüller Nürnberg GmbH
492
of 814
3.7
3.7.5.3 Description of the Field Weakening parameters
142.1 Field weakening mode
m Bit 2:
Bit Meaning
0 Field weakening type:
0: "At the voltage limit": Field weakening via the field weakening factor
Z142.2–.
1: "Permanent field current": Isd set value (Z47.2–) = Field current preset
value (Z19.9–)
Other details see ZField weakening controller– from page 484.
1 Threshold speed of the controlled field weakening characteristic:
0: Motor nominal speed (Z107.7–).
1: Speed threshold field weakening Z142.9–
2 From FW version 01.15:
Correction of the PWM voltage Z142.7– in the over modulation range
(relevant to breakdown torque controller):
0: Not active
1: Active
See note to bit 2
15 ... 3 Reserved
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