Dcc track sensors
Dcc track sensors. ) Shinohara Turnouts. Select “Tools -> Serial Monitor” from the Arduino IDE menu. In EX‑CommandStation the I 2 C clock speed is normally the highest speed supported by all configured devices. Whatever type of switch you choose, it is important to understand the wiring basics and techniques to Price: $154. Digital Command Control Turnout Track. As a rule of thumb, the main source of power to the track, the TRACK or POWER BUS, should be at least May 21, 2024 · March 07, 2023, 09:48:00 AM. RRP £27. The quality construction of Unitrack and reliable rail connection provided by the Unijoiner assure that the DCC signal is dependably transmitted. Turnouts/points. Scale HO. Connect the Arduino Power Supply. OpsProgExample. In working with AnyRail, I found that I could use a list of all the E-Z track HO pieces and their product numbers without looking at them piece by piece since AnyRail just lists the product numbers on the side panel. The primary JMRI software applications are; DecoderPro to build and maintain DCC Engine Rosters and read, write, compare & maintain decoder CV’s. In most cases, the toggle switches should be removed as you control the trains with DCC, not the layout. At this point, you should have your JMRI throttle window open ready for action: To select and control a loco from here, you need to: Ensure track power is turned on using the Power button at the top of the window, or selecting “Power On” from the “Power” menu. Some setups use a separate AC power connection for accessories, but it is a bit easier to use AC from the track if it is present. 1) 1st DCC locomotive/train that is suspected of causing the problem with the turnout in question. Soon I will include a link here for the video explaining and showing this new DCC Ready Turnout. This will add a new row to the table. We also cover this subject in detail in another advice chapter “Advice #2—Making Peco better”. PanelPro to create and maintain Panels, Turnouts, Sensors, Signal Lighting & create Routes. $12. Just plug the switch in to the control box to replace the analog controller and assign a decoder address with your DCC system. Walthers distributed Shinohara track under the name Walthers/Shinohara for years. Raspberry Pi, Arduino). Our Price. The DCC specification says that a decoder must send a short 60mA (60 milliAmps) or more current pulse to the programming track for at least 6ms (6 milliseconds). 12 volts will run the smaller May 28, 2022 · So I designed and tested various projects the past few years: 1. It will ask you the save the file. 99. 2 Isolating the frog. With regards to the use of Unitrack with DCC, there is a capacity of DC12V3A built into the product line. To do a quick test, open the Arduino application: Figure 118 The Arduino IDE. This unit is powered from the DCC track supply, it draws about 120mA. If needed the 3mm version works up to 250mm apart this allows use along a section of track. That bulletin also includes how to improve the look of a Peco point, so the more adventurous among you might DCC is allows independent control of multiple locomotives without complicated wiring, toggle switches or power packs. Watch as modeler and DCC expert Steve Barkley explains how to wire your layout for controlling signals and block Add to Cart. They can also be called switch decoders or stationary decoders. 00 per month / $102. If you select DC or DCX you must select a DCC address for the Mar 31, 2024 · Wiring is extremely important for reliable DCC operation and signal integrity. Manufacturer Kato. For either of these to be effective the protective circuit breaker must trip on an overload, or the auto-reverser must re-orient track polarity, faster than the main layout booster will trip. This gives you control of your switches from an NCE cab. 3 An easy fix. Select and control a loco. Turn on track power. Select "DCC++ Server" as the System Connection Type. This unit is for the s88 bus. ] Announcing EX-SensorCAM - a new camera-based sensor for your layout — DCC-EX Model Railroading documentation An EX‑CommandStation is a simple, but powerful, DCC Command Station which you can assemble yourself and which is made using widely available Arduino boards. 0. It is also known as Occupancy Detection. com . DCC MAIN - Main Track. In the Connection Preferences, select DCC++ as the System Manufacturer. 16 sections, up to 3A Reed switches, detection track sections, push buttons or toggle switches can all be connected to the inputs. DCCWiki, a community DCC encyclopedia. Connect the Motor Driver. This post will tell you how to use the DCC system, how to start building your own layout, how to configure your own locomotive, and all the features that give you – the place owner – control Bachmann 44548 HO E-Z Track Nickel Silver w/Grey Roadbed 9" Straight Electronic Auto-Reversing Track. The latest version of Peco Turnouts are indeed DCC Ready. cpp file, with a command of the form: I2CManager. $39. In the USA the smaller the number, the bigger the wire! Our general rules are based on 2 to 5 Amps of current maximum. Add to basket. There are a number of different advantages and disadvantages to the various sensor types which we aim to cover on this page. Switches are available as "make before break" and "break before make". For Example: SETUP("<1>"); // Turn track power on at startup. There is no need for modifications. 1 Key ingredients. E-Z Track System - Snaps Together, Stays Together on Floors, Tables and Carpets. Select File ‣ Exit. py. The NCE PowerCab, on the other hand, is rated at 2 amps and therefore can power four HO and eight N scale locomotives. Read on through these pages to understand Maintain proper track alignment: Improper alignment can cause derailments and put unnecessary strain on your turnouts. May be used as a reflective detector (sensors in the roadbed) or as an interrupt detector (detector looks Also, check that any toggle switches or other wiring devices are capable of handling the increased current capacity of the DCC System. Sensor testing. 00 per year. ACCURATE TRACK EMPORIUM www. The thin disc is fragile and may hatter when cutting rail, so wear personal protective gear (especially safety glasses) when making the cuts. From the Manufacturer. Lets you know when detection sections of your layout are occupied. See the Video . This page includes a reference for all available EX‑RAIL commands. The Track sensor is similar to a Sensor Signal except that it has no signal head. Note that you can click on any of the images to make them larger. When used in conjunction with one or two RX4 transponder detectors it operates up to 8 transponding zones and operations mode read back. Unitrack turnouts use a bi-polar solenoid drive for reliable operation. Steve Barkley offers a step-by-step demonstration on the DCC installation process. Aug 7, 2023 · New in version 5 Yep, that’s right, the much anticipated EX‑CommandStation version 5 release is here at last! This is a huge release, adding significant new features like TrackManager, enhancing existing capabilities, introducing new and enhanced I/O support, along with other associated products such as EX‑FastClock, EX‑Turntable, and Fill a memory with a two-digit number, using 10 Sensors as digit inputs. Aug 19, 2015 · I was looking around for a discrete track sensor for my NCE DCC layout. The 4 additional outputs on the ST10 Plus version are: Output as a train passes over sensor with occupancy when linked with other Track Sensors or Sensor Signals. It may however be overridden within the mySetup. Many modelers feel that DCC is worth the cost, but it is a consideration. Assuming that one has also equipped some rolling stock with resistor wheel-sets, lighting or Sep 17, 2018 · Welcome back everybody! Be sure to subscribe! Today I am tackling something that honestly made me a bit nervous to try, installing infrared sensors on exis Sep 17, 2021 · From: jmriusers@groups. Sensors are a key item to add to your EX‑CommandStation, whether it’s to fully realise the automation potential of EX‑RAIL, to know where trains are on your layout, or to trigger simple things such as road crossings. Once your EX‑CommandStation is up and running, you will likely want to add the ability to control accessory items such as turnouts/points, signals, and turntables, along with being able to receive input from various sensor types to know where trains are, when buttons on mimic panels are pushed, and so forth. So ideally, the track voltage output should have both a DC and AC level. Lenz invented DCC and is a familiar German name associated with quality German engineering. Page 6 - the LED will now flash 5 times to show that the two outputs are synchronised. They work well when angled at 45deg to the track centreline about 70mm apart. Wiring for Digital Command Control of model trains using DCC freindly switches. Sep 14, 2021 · Wiring for DCC by Allan Gartner - Track Switches. In track-making, DCCconcepts is proud to be breaking new ground. I haven't determined if it was a power thing or a DCC configuration thing, especially since I wasn't intending to actually control the Local bus follows directly under the track it feeds offering very short track feeders and easy to trace track wiring. Further to this, and depending on the brand Control DCC turnouts and sensors; Directly access and control Arduino IO pins for accessory functions and sensors; Use the service track as an extension of the MAIN track when not programming to not waste track; DriveAway: Place a locomotive on the service track, program it, then drive it off onto the main track Adding and Controlling Accessories. This would require a current divider circuit with two resistors: If there is nothing on the track, no current will flow. Wiring for DCC by Allan Gartner - Track Switches. Block occupancy detectors. , a turnout) also use AC power from the track. Add to Cart. io <jmriusers@groups. 25 amps for N scale). Hi Jack, We designed the 44949 DCC Control Box with Turnout Decoder to make it easy to convert your analog turnouts to DCC. Main bus itself has very few connections making for a more reliable "protected" bus or strong electrical backbone! Adding and Controlling Accessories. Node 0 is connected to the two sensors on its channels 0 and 1. An SC400 can control one, two or a twin head (e. Most entry level command station’s are sold with a power supply. We have started the long journey to better track by offering our range of pre-etched and pre-cut sleeper frets for building UK prototype track and turnouts (point-work) in 4mm scale to OO gauge. Power for the accessory decoder (and the switch it is controlling) is provided by the track. io> On Behalf Of Ash__. You may still be able to have the decoder accept a command if current sense is not working, just as you would for POM (programming on main), but you will receive no acknowledgement Feb 15, 2024 · [DCC-EX is a team of dedicated enthusiasts producing, easy to use, affordable, do-it-yourself, open source, DCC solutions to allow you to run your complete model railroad layout. POWER Power the Track Sensor or Sensor Signal and the Relay Controller from the same power supply; either Track DCC or connect it to 12–16V maximum Dec 15, 2015 · Decoders are available for less than $20 each, but even a small fleet of 6 locomotives represents a cost of $120. Nodes 1 and 2 don’t have any sensors connected Jan 25, 2023 · Get Updates. There is quite a variety of sensors available, and we aim to outline options here that we know work with EX Track Sensor plus features additional solder terminal outputs to link directly to devices such as LED (included), solid state relay, computers (e. Sensors. Your focus is on controlling the trains, not controlling the track voltage. Manufacturer Bachmann. Example Objects and Sequences. Bachmann Trains Online Store : E-Z Track® - Catalogs Large Scale HO Scale All Scales N Scale O Scale Figures and Accessories On30 Scale O Scale Williams 3-Rail Warehouse Finds Christmas Trains Speciality Tools Proses Slot Car Accessories ecommerce, open source, shop, online shopping, store. The Sensor and decoder address are hardcoded, as this is an example of just the Automaton function. The Atlas Commander establishes a new price/performance benchmark and ups the ante for entry level DCC systems. differential optical sensor module. Track Manager allow you to change up to 8 channels (depending on the Motor Shield you are using) Each channel can be one of: DCC PROG - Programming Track. 3. e. Changing the Clock speed. Output Coded pulsed infrared proximity sensors for detecting model trains on the track. Honeywell 2SS52M May 24, 2019 · For example, the Bachmann E-Z Command DCC system comes with a 1 amp power supply that can power two HO or four N scale locomotives (assuming . DCC track power is an AC type wave form alternating polarity at about 8 kHz. The DCC signal contains data in the form of the Address, Commands, and a Checksum byte. [Right click] on the new file, and select Open With ‣ Notepad. Raw sensor readings are noisy, requiring some mathematical processing to be useful. £23. Bracket) servo signal and each can easily be assigned any DCC On the client computer, launch JMRI on the Client computer. 00 MSRP. Locomotives will naturally trigger the detector because they draw current through their DCC decoder. Four RailCom sections Opto Isolated ECoSDetector Standard. As above, the distance from each insulated joint to the crossing should be more than twice the stopping distance of a train. It would be helpful to advise of the URL that you are using, or a link to prior post. The 16 columns of three pins along the bottom of the module are where you connect the servos. Since it tightly follows the track, it can somewhat stay clear of other wiring. 00 ea. You're confusing the "best practice" of using bus wires and multiple power feeds with requirements for DCC. Possibly the cheapest way to add block occupancy detection to your DCC layout and integrate it with JMRI, it could save you hundreds!You may want to watch my Feb 19, 2019 · Ro-Scale is the reinvention of the popular ‘Ro-Gauge’ miniature train system created by RedTrain in 2016, revitalized with my brand-new DCC system. Current Transformer for mounting on a PCB, similar to that used for detection. The DS51K1 can be installed into the base of the turnout or attached to the bottom of the layout near the turnout. It plugs into the track in the same way, works on both DCC and DC layouts and has the same sockets to connect it to other Layout Link products. Hall effect sensors. You can see to the left the first two sensor track sections with an N-gauge PORTRAM model. There are also commercial DCC accessory decoder based solenoid or coil turnout/point controllers available which can be utilised instead. Note. #1. Note the pin connectors along the left side of the module - these are where you connect to the Arduino. The best choice of a 4PDT switch for your program track is a Center-Off version. The answer is: Accessory Decoders. DCC allows for sounds, block detection, momentum control and ability to latch together various locomotives. The SC400 is specifically designed to power and control the new Dapol Servo controlled signals which have three wire inputs for each signal. The "Power-Lok" feature optionally monitors the DCC bus power. Adding the Hardware - Turnouts/points. In EX-RAIL it's then easy to access this with AT, ATTIMEOUT or AFTER commands or the sensor command in EX-CommandStation. Sent: 18 September 2021 00:13. Like most IR break beam sensors these work best if you can angle them across the track. The 44949 Control Box is currently out of stock at Bachmann, but Rule of Thumb: 14 gauge (2. Turnouts or points are an integral part of almost every layout in operation, and with the variety of turnout/point types and control options available, these require their own special section to help our users understand which is the best option for their layout and level of comfort. In the simplest form they have two wires to the track, two wires to the switch machine. Wiring Tools – To manipulate wiring, you'll need various tools. ) To test with the Arduino Serial Monitor, download the Arduino IDE from the following link and install it on your computer. In the new row, set the "Index" to the ID value of the new output. These top quality fibreglass sleeper frets are versatile (the turnout fret for example Nov 12, 2017 · 6/4/2018 - I just modified this to include the "number of degrees of a circle" on the curve pieces. Monitor 4 track sections with RailCom technology to determine if the track is occupied and which train is TEST SETUP: Need two locomotives. Download the Arduino IDE. 5. 2. Figure 119 Open the Serial Monitor from the Tools Menu. ECoSDetector RC. This board operates as a DCC occupancy detector for 4 blocks using remote CT coils. Awesome, New, HO Modeling Technologies for the 21st Century! Breathtaking new Realism for Regular HO, N, Z and also Proto:87! Track, Switches, Wheels, Trucks, Couplers and even Smooth Riding Suspension A reversing section allows an engine (or train) to enter in one direction, and leave on the same track heading back the way it came. The file will open in the ‘Notepad’ app. Digital Command Control is not Analog DC, and the wiring practices for analog operations do not apply here. EX‑CommandStation provides full automation and accessory control through the Extended Railroad Automation Instruction Language ( EX‑RAIL ). Jul 16, 2023 · Jul 16, 2023. At the same time, I'm planning for the future, hence the DCC M-420 which was priced way under market value (an offer I couldn't pass up). In Block Occupancy Detection for DC and DCC I demonstrated the use of an ACS712 sensor and an Arduino Uno to sense current draw across the rails, the basis for most block occupancy detection systems. Track buses for Digital Command Control: Layouts wired for direct-current block control have several isolated track sections called blocks. Decoder Equipped. Turn off track power and temporarily connect the yellow programming wire from the DS51K1 to the same rail as the black wire. Digital Command Control has phase issues, and a reversing section will cause a dead short if not wired correctly. To switch the turnout DCC auto-reversers are also available to quickly detect a momentary short circuit and re-connect track polarity to a reversing track section. Regularly check the alignment of your tracks and adjust them if necessary to ensure smooth operation. 3 days ago · They are worth checking out if you’re interested in learning more about DCC systems. • To take the SC300 The first 1,000 people to use this link will get a 1 month free trial of Skillshare: https://skl. Summary:Block Detection is a method for detecting rolling stock within a given section of track. If you power it this way, there is no need for an opto isolator to couple in the dcc data signal. Enter the network name or IP address of the host computer and verify that the port number is the same as on the host computer. Fig. Enter the commands you need to perform. The company wound down operations in 2018 when the owners retired. Kato 2-853 HO Right Turnout with 550mm (21 5/8) Radius Curve. This ensures that one circuit is completely disconnected prior to the new connection being established. 4. Each block has an electrical switch that controls which DC throttle powers that track section. DCC Advice #11 Page 2 Wiring Point-work & Special track conditions for DC or DCC #1. Insert two insulated rail joints on the West-East track. 08mm 2) solid core wire for main bus up to 100ft (30m) for HO. This sample Automaton watches a Sensor, and adjusts the momentum of a locomotive using ops-mode programming when the Sensor state changes. Circuit should work on either DC or DCC; Circuit should be simple to build; Circuit should be cheap. Type the address of your loco in the “Address Track Sensor Plus. The BDL168 is a cost effective LocoNet Occupancy Detector for 16 detection sections. Larry isolated the frog with a motor tool and cutoff disc. sh/diyanddigitalrailroad09211#modeltrains #modelrailroad #mo NCE BD20. These are 10mm wide x 20mm high x 8mm thick, so on an HO layout this equates to 870mm x 1740mm x 696mm. Nov 10, 2021 · 13378 posts · Joined 2014. That means that it can be used with both DC and AC current. 24 gauge (. On the track, each pulse is repeated, once on Rail A, then on Rail B. See Also: Introduction to EX-RAIL. Select the value you want for the channels and click Set. Reversing sections include: Wyes or triangles, turntables, and reversing loops (balloon tracks). There are four types of sensors we will cover here: Infrared sensors. Click the "Add Sensor" button. I didnt want to change the track wiring or add any more track cuts because I already have the track laid and some ballasted from when it was a DC layout. DCC provides for digital control of turnouts and signaling. This item is in Stock and available for dispatch. #10 · Nov 10, 2021. Connect the Motor Driver Power Supply. Phase If used with DCC a Track Sensor can be clipped straight into some types of track in the power clip slots (eg Hornby or Bachmann), but if not the slide-in fingers can be cut off and the two pads wired to DCC or 9-16 Volts DC - see below. Apr 12, 2024 · For now, I just wanted to tune up the old equipment (Kadee couplers/steel wheels), and fine tune the existing track/powered switches, as well as cleaning up/lubing my old GP 50 (DC) from the 80's. General Topics. Train-Tech has won three prestigious Innovation of the Year awards for its DCC fitted signals, Automatic Sensor Signals and Smart Screen animated message boards. Try a 1,000Ω, ¼W resistor. The great advantage of digital control is the individual control of locomotives wherever they are on the layout. Earlier this week I purchased a DCC crossover turnout for Bachmann's EZ Track (HO scale) and noticed an issue where an engine loses power once they reach the track and comes to a complete stop. Keep the area clean: A clean layout is essential for the reliable operation of DCC turnouts. reversing section controller (using presence detection, not using short circuit detection) 3. The new Walthers Track line turnouts are available in code 83 and code 100 rails. The basics of wiring a turnout correctly. h or myHal. These are very simple to attach to a DCC-EX command station requiring only VCC, GND and Digital input. 1. Straight up: basic DCC wiring is no harder or more complicated than DC, and in fact, it's easier when there are reversing loops or multiple blocks involved. Next Steps - Install the WiFi board. Dec 9, 2021 · DCCWiki, a community DCC encyclopedia. Summary:Shinohara was a Japanese manufacturer of track components, including turnouts. Jun 14, 2018 · Fig. Steve illustrates the process by using an entry level command station. It supports much of the NMRA Digital Command Control (DCC) standards, including: Simultaneous control of multiple locomotives. Number 44548. Control of all cab functions (F0-F28 and F29-F68) E-Z Track®Accessories. There are several different options to control these remotely including capacitive discharge units (CDU) and motor driver ICs such as L293D, L298, or HG7881/L9110. A beginner has no need for a $1000 system, but as you can see, the price Step 2, protect the North-South track. Wiring your Layout – Connecting the Command Station. In theory, a Digital Command Control (DCC) layout could be wired as one large block with two wires EX-RAIL Command Reference. 10. Low cost DCC accessory decoder to drive 10 servos using an Arduino Nano and a Nano expansion board plus a few discrete components. Coded pulsing allows each detector to ignore the IR signals of other nearby detectors. by Mike Carson. proto87. a controller for multiple DCC++ boosters, with extremely fast and robust individual short-circuit detection. CV Programming in the programming track (Service Mode) CV Programming in the main track (Operation Mode) Servo motor testing and adjustment. 5 amps per locomotive for HO and . I thought I might bury reed switches in the track but then found this in the CPC catalogue. The throttles and command stations begin at $150 and increase up to almost $1000. –The ACS712 sensor senses current flow regardless of polarity up to its rated maximum (5, 20 or 30 amps). g. The multifunction decoder samples one rail to extract the data. In the new row, set the "Pin #" to the Arduino pin number of the new sensor. . Block Occupancy Detection for DC and DCC, Part 2. If you need it brighter, you can go down to a 680Ω, ¼W resistor. It outputs logic levels, and has a RR-CirKits standard ribbon connector interface. DC. The obvious approach to the problem is to steal a bit of current from the track and divert it through a lamp. io. Atlas is good, but it will still require some minor modification to the Frog points, e. ) Track Manager (Only available when connected to EX-CommandStation version 5. To connect a servo to EX‑CommandStation, you first need to get a module, based on the PCA9685 chip. DCC is an NMRA standard, which means that locomotives that Block Occupancy Detector-4. A common topic that arises in support chats in Discord is which sensor type to use in various scenarios. The three Arduino Micros with the colorful USB cables are the sensor nodes, with node 0 to the front. 0 and above. Controlling Signals and Block Occupancy Detection Join Model Railroad Academy to continue watching for $10. Two DPDT switches offer 4 possibilities making a costly misconfiguration easy to accomplish. 3. 2) 2nd DCC Locomotive with NO SOUND or "Keep Alive" capacitor options (See Test Notes a & b) Place the 2nd locomotive on track that shares power with the turnout in question. To: jmriusers@groups. Although Atlas is a new name in DCC systems, the Commander is a re-branded Lenz "Compact" integrated DCC system. The BD-20 block detector module is normally used to indicate the presence of a locomotive, caboose or other rolling stock in a track section by sensing electrical current drawn by that rolling stock. Turnouts that are DCC friendly minimize the possibility of a short shutting down part of a model railroad due to metal wheels contacting adjacent rails that are at a different polarity. 205mm 2) stranded wire for short feeder wires from the bus to short sections of track around the layout. Apr 1, 2021 · A DCC-friendly turnout is one that minimizes the risk of that happening by electrically isolating its point rails, closure rails, and frog, powering each set of points and closure rails the same as their adjacent stock rails and switching the frog’s polarity depending on the route lined through the turnout. A DCC decoder installed in an N scale steam locomotive. $34. JMRI software is supported on Windows Nov 24, 2021 · Setting option switches 1 through 4 to C, T, C, T enables the DS74 to drive eight LEDs. Subject: Re: [jmriusers] JMRI DCC++ EX and Arduino with Sensor Shield COMMS Port allocated on Start. Current Meter (Only available when connected to EX-CommandStation version 5. In November 2021, the Train-Tech brand was sold to Gaugemaster to enable founders David & Tammy Palmer to enjoy some well-earned downtime. Here’s what it takes to make a turnout DCC-friendly. OperationsPro to run operating sessions on your model railroad. Click Save. Connect the Power Wires to the Tracks. Track sensor network, workspace edition. Know what is where on your layout! These decoders receive the DCC signal from the rails, read the data, then act on it. DC reversed polarity (DCX) OFF. Aug 7, 2023 · Version 5 is here! New in version 5 Yep, that’s right, the much anticipated EX‑CommandStation version 5 release is here at last! This is a huge release, adding significant new features like TrackManager, enhancing existing capabilities, introducing new and enhanced I/O support, along with other associated products such as EX‑FastClock, EX Sep 9, 2021 · Like their predecessors, the latest generation of turnouts is DCC friendly. 2. isolation and electrification. You’ll need to put a resistor in series with each LED. Powers and controls two New Dapol Servo type Semaphore Signals from DCC & Track Sensors. Manual switches are a good choice for smaller layouts or hobbyists who are just starting out, while remote-controlled and automatic switches offer greater convenience and flexibility for larger layouts or more complex track configurations. With analog control, operating more than one locomotive independently requires the track to be wired into separate blocks each having switches to select the controller. Click yes. From the DCC++ Menu, choose "Configure Base Station" (or "Configure Sensors & Turnouts") Choose the "Sensors" tab. Now make a similar installation of a second D2T-DS to protect the North-South track. Number 2-853. 50. Connect the cathode end (the shorter lead or the side of the LED with the flat edge) of the LED to the R Feb 12, 2020 · Many track accessories such as lights and track switches (i. You will learn from Steve how to wire the power supply to the command Track Sensors can be used at the same time as Mimic Switch control and DCC accessory control - priority is the device which sent the most recent control command, ie Track Sensor, Mimic or DCC. Pulsing (modulation) allows the detector to ignore ambient lighting. forceClock(100000); (this sets the clock speed to 100kHz. T Simpkins. (805) 481-4625 . A switch or turnout, is a mechanical installation letting railway trains to be guided from one track to another, Switches, also called turnouts or points, are an important part of any model railroad. Nickel Silver Rail with Gray Roadbed. Jul 28, 2007 · Decoder Equipped. tt cg qt yi bb te ru oq wv pe