The atlas turnouts work smoothly when the Snapper is inserted but the Snap Realy does not work... ...My furstration is that it works on the test bench (toggle switch, turnout, snap relay, snapper and transformer all the same) but not on the layout. Hope it is still valid. Best wishes Mike. Really cool switch. On the layout, longer wires are needed and that eats up some of the power. H�DR�r�0��)��ZF?su�ɤ�K����A trailer Gentlemen, thanks for all the recommendations. manage your account online and more! 22 12 When you wire something on the bench, you usually use short wire runs to get from component to component. “I am trying to wire an Atlas #200 snap relay for trackside signal lamps using red and green LED lamps. This is a great product if you want to sync your track signal lights to your track switches. MY LAYOUT - MAIN SCHEMATIC. Model railroads with 'snap' type switch machines such as Atlas, Bachmann or Kato need to use a latching relay to operate a ground signal. It can be installed wherever convenient. POWER REQUIREMENTS: The Snap Relay is powered by connecting the 3 end terminals in parallel with the switch machine. do the same for the dome light. -Selective power control for dead-end sidings with all Atlas turnouts: Mark 2, Custom-Line, or Snap-Switches. When I go to connect it to the layout, the Snap Relay will not activate. 0000001645 00000 n The Atlas snap relay will be the simplest to wire. Atlas 0200 | A double-pole, double-throw relay with actuating mechanism driven by a momentary-power, twin coil solenoid. Atlas 200 Snap Relay. 5.0 out of 5 stars Atlas Snap Relay. A couple of my 6924 relay boards installed. I connected the relays together with the supplied metal strips and supplied them with a 12 vdc supply to … I was using a CDU built from an Internet plan.My idea is to use the Snap Relays in parallel with Peco turnouts to operate lights or frog powering.A bench test showed it wasn't reliable as the TO threw cleanly,the relay didn't all the time.I haven't tested the relay alone though. I have an AR-1 and have tried many wiring combinations with no success. 0000000937 00000 n With nothing else connected, try this. I don't know of any rice grain bulbs that are rated for 18 volts, normally 3v/6v/12v/14v/16v, You can use a resistor in line to lower volts to them, but if you are going to do that, you may as well use LED's. N Scale Model Trains Model Train Layouts Scale Models Train Info Escala Ho … 3 people found this helpful. 481. The three wires from the pushbuttons should go to both a switch machine and the snap relay control. Question #4: Do I need an Atlas Non Derailing Circuit Board if I use a snap relay? 24 0 obj<>stream I have a test set up that I used to get the wiring corrent and it works fine on my bench. So, I needed to figure out how to wire the frog and reverse the polarity using an Atlas snap relay. Any ideas would be helpful! Using two power supplies and it works like a charm. A double-pole, double-throw relay with actuating mechanism driven by a momentary-power, twin coil solenoid. %%EOF My furstration is that it works on the test bench (toggle switch, turnout, snap relay, snapper and transformer all the same) but not on the layout. Atlas Snap Relay #200. I haven't repeated the testing so far as the layout isn't yet ready for powering my TOs.May be it was only a faulty relay,someone else may have the same issue. I use a 18vac 6 amp supply with normally open push buttons to drive the turnouts....no need for a CD. If you take a broken one apart, you can see there is a Z shaped channel that converts the parallel to the track motion of the solenoid to perpendiculat to the track motion to move the throwbar from side to side. take the + from headlight indicator lamp (or from the headlight's switch or relay or lamp) use it to power the 1st relay. The three wires from the pushbuttons should go to both a switch machine and the snap relay control. At a glance he could tell how his turnouts were lined. 0000001077 00000 n with 18gauge wire and have not had any problems with it since 1985. If the wires to the Snap Relay are longer or of a smaller gauge then they could be introducing enough resistance to prevent them from throwing. 22 0 obj <> endobj When I tested one of my Snap Relays with my CDU (home-made from Internet plans),I found that the CDU's power was too strong for the relay wich kept bouncing back out of position.These relays don't have locking springs like Peco turnouts.The Snap-Relays require momentary 16-18 VAC. The atlas turnouts work smoothly when the Snapper is inserted but the Snap Realy does not work and the lamps are dimmer with the Snapper in line. Four rail joiners are provided. Don - Specializing in layout DC->DCC conversions. So, your using the 1-1/2 inch foam siding for the base of you layout?? I am running a reverse loop and cannot get it to work correctly. I am using an older Tyco 895 Transformer, and my assumption is that it is not powerful enough (amp wise) for full function of the turnout and relay. Now that I have all that and have wired it as instructed, I am having issues getting the Snapper to switch positions to change the light indicators. We used green for the normal route and red for the reverse position. The Snap Relay is part of the line of Atlas 150 electrical accessories and lighting. It includes all electrical components, wire leads, indicator lights, switches, and resistors. Down side is they are more expensive than the latching relay. Atlas Turntable Manual N/S HO Scale Nickel Silver Model Train Track #305. I found that the CDU's power was too strong for the relay wich kept bouncing back out of position. Jun 17, 2015 - Various model railroad wiring diagrams including how to wire turntables, x-sections, dual CAB and trackside signals using ATLAS electronic components. This means that the #200 may turn easily while the switch motor may not. Atlas Code 100 Railjoiners N/S HO Scale Nickel Silver Model Train Track #170. I have followed the directions in the package but I am not […] A CD circuit should overcome that. What would be the top and bottom of the Z both lean slightly to the middle, so if you try to push the points back they will spring but it won't actually move the solenoid, to move the points manually you must move the little nub sticking out the top. and then take + from battery, pass it on the NO (normally open) contacts of the relays, wire them in parallel and then to the toggle switch and the to the + of the LED. Was: C $21.92. x�b```a``�``f`�[� Ā B@1f�,�����\'tD3l����&���� �� �Y ��b%�x�,�/@�A-�]\��a`A��\@� �� �fY I use a 18vac 6 amp supply with normally open push buttons to drive the schematron.org need for a CD. Polarities of the Function Outputs for Atlas #342 4-Function Dual-Mode Decoder; Procedure for Programming 4-digit Addresses on the MainLine When Using a DigitraxZephyr or Zephyr Xtra DCC System; Program Track Switching Update for Atlas Commander Manual (pdf file; 48kb) Signal System Support: 2-Rail Approach Mode Diagram; 3-Rail Switch Signal Wiring Only way to get my control panel lights to work with the snap switches. endstream endobj 23 0 obj<> endobj 25 0 obj<> endobj 26 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageC]/ExtGState<>>> endobj 27 0 obj<> endobj 28 0 obj[/ICCBased 32 0 R] endobj 29 0 obj<> endobj 30 0 obj<> endobj 31 0 obj<>stream I bought the latest Atlas wiring book about a … This is the answer! A few months ago I opemed a discussion on how to wire turnouts so that a light on my control board would indicate direction. Here's a pictorial diagram if you want to use LED's, push buttons and Atlas switch machines and relays. (12) 12 product ratings - Atlas # 200 Snap Relay A Scale MIB . With nothing else connected, try this. Use it to control trackside signals or indicator lamps for turnouts. Atlas Code 100 Bumper N/S (2) HO Scale Nickel Silver Model Train Track #843. Which raises another point. Any ideas would be helpful! SNAP-RELAY: Double pole, double throw electrical switch driven by a solenoid. Atlas HO Remote Snap Switch Wiring Question Author: SDJeff. (A solenoid is a cylindrical coil of insulated wire in which an iron core is made to move back and forth by a flow of electric current.) Clinic: Hiding Atlas Snap Switches. Ideally, you want the wires to each Snap Relay to be the same length and gauge as the wires going to the matching switch machine so they will have matching resistance. %PDF-1.4 %���� Free shipping on many items | Browse your favorite brands | affordable prices. Feb 6, 2017 - This blog follows the inspiration, ideas, design, and construction of my HO scale 4x8 model railroad. Since you've got one, I'd suggest checking the wiring. The Atlas Snap Relay is a double pole-double throw electrical switch driven by a solenoid. BTW, I only have a 4' x 8' layout, I live in an apartment so I'm limited. 0000000016 00000 n <]>> I ran two power wires off the Snap Relay Common (one to lamps and the other to turnouts and toggles). For Ken's circuit you need a SPDT toggle, but not momentary as if the toggle was momentary the LED would not stay on. Use it to control trackside signals, indicator lamps for turnouts and other accessories. When I go to connect it to the layout, the Snap Relay will not activate. This is a poor product if you want it to last more than 25 throws. It takes an iron man to play with a toy iron horse. Quantity: Add to Wishlist. I bought about 6 of those a few years ago & haven't ever figured out how to wire them up. After much assistance on this forum, I committed to keeping what I have and purchasing Snap Relays and a Snapper as it was the most efficient use of $$. Now to the next issue. He should be using the ACC/AC out to power the Snapper which is usually 18vac. Login, or register today to interact in our online community, comment on articles, receive our newsletter, Modeling C&O transition era and steel industries There's Nothing Like Big Steam! 0000005093 00000 n The problem could be the length and/or gauge of the wires. - Duration: DG Modelworks.Almost all My turnouts are Atlas/Shinohara with Atlas under-table machines and snap relay for frogs and control panel lights/some signal Led's, which have a separate 12vdc 4amp power supply to the relay. Five brand new Atlas snap-relays delivered 48 states $50. Years ago there was a company that made devices the screwed right to the top of the regular Atlas switch motor and engaged the nub to move contacts - they had both contacts with screw terminals so you could wire up indictor lights or signals, as well as one that included the signal. ...I have a test set up that I used to get the wiring corrent and it works fine on my bench. -An Atlas Snap Relay Switch can be used to to activate a secondary event once the switch to the primary event is thrown. Atlas has made a lot of different turnouts through the years. Using an Atlas Snap relay solves this problem as shown below The Atlas Snap Relay takes in positive power thru its common terminal, and then depending on the position of the switch it passes power thru either terminal A or B thru a current limiting resistor to the positive side Almost all My turnouts are Atlas/Shinohara with Atlas under-table machines and snap relay for frogs and control panel lights/some signal Led's, which have a separate 12vdc 4amp power supply to the relay. I only use My three MRC CM 20's for nothing but train control. Try a different one and see what happens? When I reversed the switch and ran a loco over the frog, boom, big time short. The lamps controlled by the snap relay shouldnot be anywhere in the circuit with the Snapper. When wiring the snap relay, as per the Atlas instructions, the locos cruised over the frog just fine. It may also be that your power supply is inadequate for the job. Atlas Snap Relay Model Railroad Electrical Accessory #200. I did this for a friend and we mounted the push buttons and LED's right on the track diagram on his control panel. Visit my web site at www.readingeastpenn.com for construction updates, DCC Info, and more. John (not the one in the earlier post) has sent in this HO question for readers to hopefully answer. Verified Purchase. Get the best deals on atlas snap relay when you shop the largest online selection at eBay.com. Hopefully that get you started with these interesting devices. See the picture on this site, the one labeled "Wiring Travkside Signals" for a diagram, http://tysmodelrailroad.blogspot.com/p/wiring-diagrams.html, Modeling the Reading Railroad in the 1950's. 0 They seem to work ok, I don't have them permanently wired because I found out that I needed a few snap relays for what I plan to do. 0000001872 00000 n It measures 1.80 X 1.50 inches and is specifically designed for low current motors such as Atlas, Lifelike, Bachmann, etc., but it will operate high current machines such as the N.J.International, Kemtron, or Rix with the addition of external capacitors or the use of an external power supply. This drawing shows the current main wiring schematic for my model. Your power suppy should feed the Snapper. the output of the snapper should go to your pushbuttons. I am using monetary toggle switches with rice grain lamps. Atlas 200 Snap Relay. Randy -- you have been very helpful to m in the past. For example, if you throw a switch to turn on a specific isolated section of track, wires from that circuit to the relay switch can cause lights to come on … Atlas Electrical Snap Relay/Double-Throw with Actuating Mechanism (HO/N Scale) 4.5 out of 5 stars (12) 12 product ratings - Atlas Electrical Snap Relay/Double-Throw with Actuating Mechanism (HO/N Scale) C $18.09. Not savvy enough to insert a photo to this forum, so I sent a photo to the email you have listed under your reply. Please review the power requirements for using the #200. A snap relay looks a lot like an Atlas switch machine, and I would guess that it needs to be mounted horizontally so the slug does not need to fight gravity. How to wire trackside signals using an Atlas snap relay and LED lamps to show turnout positions. Just a quick question, I have just replaced 10 Atlas #6 custom-line turnouts and 10 Snap relays and together they are working fine through DPDT toggle switches. "It works on the bench but not on the layout" is a common issue with twin-coils, but the solution is usually to get a CD circuit. 0000001611 00000 n If you could take a look at it and provide some assitance it would be appreciated. He is also using incandesant bulb's fed off the output of the Snapper...should be either a separate supply for them or connect them to the input side of the snapper like Randy suggested. Pushbuttons are SPST throw switches and you need two to operate an atlas machine with one side of the two connected together, which makes them Single Pole Double Throw. C $20.16. With an Atlas Snap Relay it's possible to do as many as you want at the same time, or that's what the directions say inside the box. Saved by B Fowler. This mount anywhere switch can be uses for a multitude purposes. The resistance of the #200 is less than the resistance of the switch motor itself. . The problem is that it burns out if you give it more than one second of electrical current. Various model railroad wiring diagrams including how to wire turntables, x-sections, dual CAB and trackside signals using ATLAS electronic components. 0000001948 00000 n 0000002424 00000 n startxref I still run analog. I remember having one of them on the layout when i was a kid. Detailed instructions with schematic display of snap-relay. It would appear the Snap Relays have nothing like this (they don't really need it) so if thrown with some decent force like from a CDU, the solenoid/contacts just bounce off the stop at each end. Some of the earliest snap-switches had a 20-degree 18-inch radius for the diverging route, others have a 15-degree segment, then there is a #4 switch (actually #4.5) which is 12.5-degree divergence (like a conventional switch, not with a … It would appear that a Snap Relay doesn't have the over-center mechanism that is on the Atlas swith motors. My longest run to some turnouts is 32ft. I haven't burn a switch motor since I installed the 6924 boards. . That equals to be 2 inches. You can comment below. Reviewed in the United States on May 9, 2010. Me too, and after getting into it I ran into one major problem: I use 1/2 inch plywood (top of bench work) then put 1-1/2 inch pink or blue foam siding. No, but the snap relay would not solve the problem of switch motor burn out. 0000000808 00000 n MR subscribers, check out the new All-Time Digital Archives. Read more. The lamps controlled by the snap relay shouldnot be anywhere in the circuit with the Snapper. Create New Wish List; Share with a friend: Description. 0000000536 00000 n The switch should thrown and the relay operate. I took the lamps out of the circuit with the Snapper. To hook up the lights, either use a different power supply or if using the same one connect the lamps to the sie feeding the INPUT of the Snapper. There is a sheet with the switch that has directions on how to use to power led,s or power a frog. the output of the snapper should go to your pushbuttons. 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