Pos : 401 /Anleitungen/El ektr oni k/FU und Starter/5. Par ameter/Par ameter auflistung (P000 ...)/P300- P399/Parameter P331 – U msc haltfrequenz CFC ol @ 21\mod_1524149856108_388.doc x @ 2417520 @ @ 1

Switch over freq. CFC ol

P331

(Switch over frequency CFC open-loop)

(Former designation: "Switch over freq. PMSM")

5.0 ... 100.0 %

Definition of the frequency from which, in operation without encoder, the control method of a

PMSM (Permanent Magnet Synchronous Motor) is activated according to (P300). In this case,

{ 15.0 }

100 % corresponds to the nominal motor frequency from (P201).

The parameter is only relevant for the control method "CFC open-loop" (P300, setting "2").

Pos : 402 /Anleitungen/El ektr oni k/FU und Starter/5. Par ameter/Par ameter auflistung (P000 ...)/P300- P399/Parameter P332 – H ysterese Umschaltfrequenz CFC ol @ 21\mod_1524211317202_388.doc x @ 2417560 @ @ 1

Hyst. Switchover CFC ol

P332

(Switchover frequency hysteresis CFC open-

loop)

(Former designation: "Hyst. Switchover PMSM")

0.1 ... 25.0 %

Difference between the switch-on and switch-off point in order to prevent oscillation on the

transition of operation without encoder into the control method specified in (P330) (and vice

{ 5.0 }

versa).

Pos : 403 /Anleitungen/El ektr oni k/FU und Starter/5. Par ameter/Par ameter auflistung (P000 ...)/P300- P399/Parameter P333 – Flus s-Rüc kkoppl ung CFC ol @ 21\mod_1524211608766_388.doc x @ 2417596 @ @ 1

Flux feedback CFC ol

P333

(Flux feedback CFC open-loop)

(Former designation: "Flux feedb. fact. PMSM")

5 ... 400 %

This parameter is necessary for the position monitor in CFC open-loop mode. The higher the

value which is selected, the lower the slip error from the rotor position monitor. However, higher

{ 25 }

values also limit the lower limit frequency of the position monitor. The larger the feedback

amplification which is selected, the higher the limit frequency and the higher the values which

must be set in (P331) and (P332). This conflict of objectives can therefore not be resolved

simultaneously for both optimisation objectives.

The default value is selected so that it typically does not need to be adjusted for NORD IE4

motors.

Pos : 404 /Anleitungen/El ektr oni k/FU und Starter/5. Par ameter/Par ameter auflistung (P000 ...)/P300- P399/Parameter P334 – Geberoffs et PM SM @ 0\mod_1327678017910_388.doc x @ 9003 @ @ 1

Encoder offset PMSM

P334

(Encoder offset PMSM)

-0,500 ... 0,500 rev

Evaluation of the zero track is necessary for the operation of PMSM (Permanent Magnet

Synchronous Motors). The zero impulse is then used for synchronisation of the rotor position.

{ 0,000 }

Parameter (P330) must be set to "0" or "1".

The value to be set for parameter (P334) (offset between zero pulse and actual rotor position

"Zero") must be determined experimentally or included with the motor.

A sticker is typically affixed to motors supplied by NORD on which the setting is specified.

Provided that the details on the motor are specified in °, these must be converted into rev (e.g.

90 ° = 0.250 rev).

Pos : 405 /Anleitungen/El ektr oni k/FU und Starter/5. Par ameter/Par ameter auflistung (P000 ...)/P300- P399/Parameter P334 – Geberoffs et PM SM - Hinweis N ulls pur [SK 2xxE] @ 6\mod_1429080221496_388.doc x @ 212008 @ @ 1

Note

Pos : 406 /Allgemein/Allgemeingültig e Module/---------Seitenumbr uc h kompakt --------- @ 13\mod_1476369695906_0.doc x @ 2265495 @ @ 1

BU 0200 en-3118

– The zero track is connected via digital input 1.

– Parameter P420 [-01] must be set to function 43 "0-track HTL encoder DI1" in order to

evaluate the pulses of the zero track.

5 Parameter

161

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