Re: Самодельный локомотивный декодер.
Добавлено: Вс май 10, 2020 5:54 pm
Я думаю автокалибровкой попробовать.
PS медитирую над этим http://forum.modelldepo.ru/showpost.php ... stcount=31
Все о моделях железных дорог!
https://scaletrainsclub.com/board/
Я думаю автокалибровкой попробовать.
Ну вернее, прототип то был.
Zimo MX690:CV 53 (Reference Voltage)
In CV 53, you set the EMF reference voltage generated by the motor at maximum revs. This parameter may have to be adapted subject to the track voltage and the efficiency of the motor.
If the locomotive reaches maximum speed when the throttle is set to about three-quarter and the top third of the throttle has no influence on the speed, then you should reduce the value of CV 53. Reduce the value by 5 – 8 and test the locomotive again. Repeat this process until the locomotive just reaches its maximum speed when the throttle is fully open.
On the other hand, if the locomotive moves too slowly at full throttle then you should increase the value of CV 53 step by step until the maximum speed is reached.
The Reference Voltage used for the BEMF algorithm can be defined by configuration variable #57 as either absolute or relative (default).
Absolute Reference:
A voltage value is defined in CV #57 as a base line for the BEMF calculation. For example: if 14V is selected (CV value: 140), the decoder then tries to send the exact fraction of the voltage indicated by the speed regulator position to the motor, regardless of the voltage level at the track. As a result the speed remains constant even if the track voltage fluctuates, provided the track voltage (more precisely, the rectified and processed voltage inside the decoder, which is about 2V lower) doesn‟t fall below the absolute reference voltage. The "absolute reference" is to be preferred to the "relative refrence" when using other vendors' systems (particularly those that don‟t keep the track voltage stabilized)!
Трудно сказать. Моторчик я снимал для разборки, редуктор при этом задышал свободно - настолько, что можно было не напрягаясь крутить колесные пары в обе стороны, и вращение передавалось всем шестерням вплоть до моторной без ощутимых люфтов или затруднений. Зато щетки были довольно подъеденные, с вогнутыми поверхностями.