MTB Switchmotor

Re: MTB Switchmotor

Postby CN-TT » Mon Dec 14, 2015 2:11 pm

In this German forum http://www.drehscheibe-online.de/foren/ ... 10,7649471 you'll find a serious test of the MP-1 incl. very good pictures :ugeek:
Results: The best turnout motor EVER and I fully agree. 8000 movements without any problems :thumbup:
You gotta do much more than believe if you really wanna change things!

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Re: MTB Switchmotor

Postby Richard-B » Mon Dec 14, 2015 2:23 pm

CN-TT wrote:8000 movements without any problems
I'm not surprised...
The micro-switches are the kind originally designed for keyboard use... equivalent to the Omron DF2.

I suspect a keyboard takes a lot more pounding than a switch motor!!!
(My Wife says mine sure does... emphasis on 'pounding'...)

Note: More MP1s are 'on the water' across the pond as we speak...
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Re: MTB Switchmotor

Postby j p » Mon Dec 14, 2015 2:51 pm

I am glad that you like the switch motor.
I hope that it can find its way also to other scales and that it would help in popularization of TT scale.
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Re: MTB Switchmotor

Postby krokodil » Mon Dec 14, 2015 2:57 pm

It is very interesting that the major railway magazines in Europe fully ignore this smart switch motor. In the last 2 month I found diverse tests from switch motors but nothing about the MTB.
I am happy that I have them slowly since 12 month and all are working perfect.
Greetings from Austria
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Re: MTB Switchmotor

Postby krokodil » Fri Jan 08, 2016 5:18 am

Happy New Year to everybody!

image.jpeg
Position 1

Position 1

image.jpeg
Position 2

Position 2

Another very good feature is a simplified feedback. There is no need for extra switches (the internal second switch output can be used for different purposes) and you do not need to run extra wires to the control panel.
Just 3 wires ( one is common for all motors) and you have the control and the monitor for the selected position. The control LED lights up only in the end position of the motor. Very good solution!

:thumbup: :thumbup:
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Re: MTB Switchmotor

Postby CN-TT » Fri Jan 08, 2016 11:02 am

That looks good and simple! But I don't get it :wall: How is it working? Do you have any kind of schematic drawing for it?
Thanks.
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Re: MTB Switchmotor

Postby Richard-B » Fri Jan 08, 2016 12:30 pm

CN-TT wrote:How is it working?
Does this help?
MTB MP1_image.jpg
MP1 internal
  1. The can motor is fed from 'poz1' and 'poz2' with either DC or AC (rectified internally), which causes the motor to rotate... always in the same direction.
  2. The motor drives the red gear / white cam assembly; The cams actuate the 2 internal micro-switches to cut the voltage at exactly 1/2 turn of the external cam.
  3. The red gear/cam has an eccentric pin which can be set to 3mm, 6mm, or 9mm, to select the overall length of the throw.
  4. The slider converts the eccentric into linear motion, and has a base for the actuator wire.
  5. After mounting, the actuator base can be adjusted by loosening the two screws on the slider, to center the throw motion.
  6. The MP1 has one internal set of aux electrical contacts, which can be used for either an indictor light or signal, or for power-routing the switch frog.
  7. A 2nd set of aux contacts can be provided by mounting an optional micro-switch externally
Last edited by Richard-B on Fri Jan 08, 2016 12:42 pm, edited 1 time in total.
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Re: MTB Switchmotor

Postby Richard-B » Fri Jan 08, 2016 12:40 pm

MP1 documentation:
MP1-instructionEN_V1_A5.pdf
MP1 Instructions
(1.33 MiB) Downloaded 450 times


MP1_en.pdf
MP1 Flyer
(4.7 MiB) Downloaded 321 times
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Re: MTB Switchmotor

Postby krokodil » Fri Jan 08, 2016 2:32 pm

CN-TT wrote:That looks good and simple! But I don't get it :wall: How is it working? Do you have any kind of schematic drawing for it?
Thanks.

There is nothing much to draw. One of the pushbutton is always "live" ie if you push it the motor starts to run. This means if you connect a LED with resistor (~600 Ohm) parallel to pushbutton it will lit up when the pushbutton is "live". If you push the button the motor starts to run and at the end activates the other pushbutton and the second LED lits up. The cathode of the LEDs goes to the common pole of the pushbuttons.
This means the illuminated LED shows the pushbutton which will start the motor and turn the turnout into the second position. You have to cross the LEDs to show the position of the turnout.
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Re: MTB Switchmotor

Postby MacG » Fri Jan 08, 2016 2:44 pm

I think, he means it so:

MTB_MP1_Feedback.PNG
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