Motorola LD-W-1 Especificações descarregar pdf (Página 11)

Locomotive decoders 30s series English

Page 11

Driving of the motor

The differernt decoder types are designed to optimally control their

particular fitting motor types.

Decodertyp PWM Suitable for coreless

(Faulhaber) motors

LD-G-30 32 kHz (fixed) yes

LD-G-31 17 or 32 kHz (to be set) yes

LD-G-32 32 kHz (fixed) yes

LD-G-33 17 or 32 kHz (to be set) yes

LD-G-34 17 or 32 kHz (to be set) yes

LD-W-32 480 or 60 Hz (to be set) no

LD-W-33 480 Hz (fixed) no

LD-G-decoders: Load control

The LD-G-locomotive decoders for DC motors have a load control, the

decoder LD-W-locomotive decoders for AC motors do not have this

function. The load control influences the motor voltage to keep the

locomotive at constant velocity, independent of additional loads (e.g.

running up a gradient, coupled carriages).

It is possible to switch on and off the load control by varying a CV-variable

of the deocder. The parameters of the load control may be altered as well,

in order to adapt the decoder to the motor´s individual characteristics.

Parameters of the load control: The load control is determined by

three parameters which have to be coordinated in order to achieve

optimal driving characteristics. Each of the load control parameters is

assigned to a configuration variable. The parameters are:

KP: The proportional component of the load control ensures the

difference between the set and the present value being as small as

possible. It cannot have the value "0" at any time. This component

affects the basic speed. In case the set value is too small the

locomotive runs too slowly. In case the set value is too high the

locomotive vibrates while moving.

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Motorola LD-W-1 Especificações Página 11