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PECO 3-way turnouts

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  • Member since
    April 2003
  • 302,278 posts
PECO 3-way turnouts
Posted by Anonymous on Tuesday, January 9, 2001 4:06 PM
I recently purchased some PECO 3-way turnouts for use on my HO pike, and am curious about which under table motors to use and exactly how to wire to my panels? The turnout needs 2 motors--of course--and don't quite grasp how to wire that bugger.
  • Member since
    April 2003
  • 302,278 posts
Posted by Anonymous on Monday, January 15, 2001 11:34 PM
I also own one but always used a hand throw to switch it. I would check for back issue articles in the magazine index on this web site. MR must have something listed under 3 way turnouts. If you find something, but don't have that particular issue maybe I could help. I have a complete set of MR's and quite a few RMC's
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    April 2003
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Posted by Anonymous on Friday, January 26, 2001 7:17 PM
I have a 2 Walthers 3-way switchs, and I use both manual and motor control. I personally like manual on all of my switches because it is A) Easier B) Has less wire C) It is more relastic for walk around operation. But for the motors all you have to do is wire two seperate motors the normal way, the tricky part comes operating it, one switch controls the root point, I am not sure of a Peco but on a walthers it is either left directly or right to the center/right swicth
Then you add the switch for the center/right on those two lines while showing the third passing by.

Kevin
  • Member since
    April 2003
  • 302,278 posts
Posted by Anonymous on Sunday, February 18, 2001 8:22 AM
Here in the UK, we use PECO a lot, and I have used motorised 3-way turnouts several times. I know it may sound daft, but the best I have found for operating the three way is PECO's own point motor. (Sorry, in the UK, turnouts are also known as points - forgive me if I switch between the two)

This point motor can be mounted three ways:
1. Surface mount (requires separate kit) which then secures an operating rod to one of the bars used to manually operate it. However, I would not necessarily use this method for the three-way
2. Secured to the underside of the point. This is usually the best method but requires a large hole in the baseboard (double so as the three-way turnout will require two point motors side by side
3. Secured beneath the baseboard, operating the turnout through a slot in the baseboard.

For the three-way turnout, I have only used methods 2 and 3. The reason for this is the point (turnout) motor is a simple solenoid operating on 16V AC. It has very little resistance and will rely on the turnout's own spring to hold the blades of the turnout in place. The surface mounted method has its own spring in the unit (useful if ever a PECO turnout gets damaged).

As the three-way is effectively two turnouts in one, you have the option of straight or left at the first set, then straight or right at the second (or vice versa). The strength of the solenoid, however, is sufficient to throw both sets at once if required (but not if surface mounted).

Therefore, the wiring should be straightforward:
"Turnout One" "Turnout two"
Left
Straight Ahead Straight Ahead
Right

The two sraight aheads are wired together (make sure you get them the correct way around when mounting them); the Left is easy with no special requirements, the right is as well.

You therefore only need three buttons as you only have a choice of three routes!

When operating, there is no need to re-set to straight-ahead between left and right, the strength of the solenoid will throw both sets of blades if required.

I would, however, suggest the use of push-button switches for this three-way (or stud contact) rather than togggle switches in order to keep the wiring as simple as possible.

I hope the above as been of some use. Happy modelling



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