Like in selfmade turntables, you wil have to make a connection between stepper motor and turning part of your item.įurther in these pages you will find some examples how a mechanical solution can be made. If you have any ready made turntable like Fleischmann, Maerklin, Roco or anything else, this unit is also useable but:
ROCRAIL SENSOR SET MANUAL
In this case, also in manual control, you do not have to worry about polarisation, it is always correct.įor fiddle yard, no change in polarity is necessary, but it is nice that power of rails will be switched off during movement. The maximum amount of positions and all other settings are accessable by means of GCA146. Ask rails on the TT will be polarised according to the position. The total control unit is rather complicated, yet, through the use of a good worked out pcboard, it is rather simple to construct.īoards and /or complete parts sets are available. The bottom of these pages show a few examples, about how satisfied users have been constructing their solutions.Ĥ8 positions are available and each position is set by a number of steps counted from 1 to 48.Įach step can be programmed, using a simple menu and the addional GCA146 control and display board.
ROCRAIL SENSOR SET FREE
You are free to create your own solution to fix motor to the TT/fiddle-yard. With this last option, feed-back is not possible, so that should be established in other ways.Īlso a fairly simple DCC- or Motorola Decoder GCA174 can be used, to be able to control straight from digital rails. This connector can be straight connected to a GCA50 (LNet), CAN-GC2(mergCan) I/O module or GCA_PI02 for Raspberrry PI or SPL Led controller or from other controls systems. The position setting can be done by an incrimental switch, as known from many train speed controllers, The output voltage is adjustable over a wide range, to adapt to the chosen motor. The best suitable motor is the one with four wires (two coils). This unit provides enough energy for most common kind of motors.
The needed power for a turntable can be rather low, but a fiddle yard needs a more powerful engine to be able to move it. Using a stepper motor seems to be the most simple way of moving a turntable or fiddle yard to the desired position.Īnd because mostly all of us will have one or more stepmotors available from any old printer/scanner/ disk-drive, we have to deal with a wide variety.Īnd if there are no motors available, still a wide variety of these motors are available from Conrad, Reichelt, Pollin, Rapid, etc.
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