Bosch PIN8 N1 Guia de Resolução de Problemas descarregar pdf (Página 146)

100

101

5-22 Motor, Mechanical Axis System, Measuring Systems MPH-02, MPB-02, MPD-02

DOK-INDRV*-MP*-02VRS**-FK01-EN-P

100

pmf

Dg5005f1.fh7

100

pmf

Md: torque at the motor shaft

Iq: torque-generating content of the motor current

t: time

Fig. 5-10: Influence of the premagnetization factor on the torque

Notes on Commissioning

In the case of Rexroth motors without encoder data memory, the motor-

specific parameter values made available, such as

• motor parameters

• parameters of the measuring system

• parameters of the motor holding brake

• temperature sensor parameters

can either be input manually by means of a list (e.g. via the control

terminal) or loaded via the "DriveTop" commissioning tool from a data

base.

Setting of P-0-0532 depending on the application:

Application

Value of

P-0-0532 in % Effect

servo drive 100 torque generation free of delay in the case

of acceleration or sudden load variation

main drive 50 less power dissipation in no-load operation,

noise level reduced

Fig. 5-11: Recommended setting for parameter P-0-0532

With values between 50% and 100% it is possible to obtain a compromise

between the mentioned effects!

It is therefore necessary to make sure you obtain the desired results for

processing or acceleration/deceleration procedures after the

premagnetization factor has been reduced!

Note: The selection lists for motor/controller combinations with

Rexroth asynchronous motors (2AD, ADF, 1MB, MAD, MAF),

published by Rexroth, refer to a premagnetization of 100%.

With lower values you have to expect deviation from these

data!

Parameter Values Made

Available

Setting the Premagnetization

Factor

1 2 ... 141 142 143 144 145 146 147 148 149 150 151 ... 727 728

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