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admin 07.12.2014

Club is currently configured to run both DCC and DC (on demand), although all growth is DCC only. Our latest venture into the DCC world involves the incorporation DecoderPro software into the inventory and retention of locomotive decoder memory settings. NOTE: During the May 2012 business meeting, a vote was taken and passed to abandon DC control on the layout.
A combination of Digitraxx BDL168s and SE8Cs have been deployed on the mainline to create block occupany and detection with signal control on most of the main line. JMRI's Panel Pro module has allowed us to create the layout graphically to give viewers an opportunity to see how our trackage runs. Additional block detection was added to the layout this past year, along with a 3-screen display down in the dispatcher's room. A new 5-track (plus run around) storage yard has been added underneath the mainline on the 3rd peninsula, accessible by a new helix. A second level has been completed behind the main mountain which contains a switching yard and several small industries. I know there have been some older discussions on this subject, however I would like to see photos of your panels with a discription of how it was constructed and wired. This one was built to try out Atlas's new Code 55 switches.I used Tortoise Switch Machines with indiacator lights.
Hi, Here is a panel made much as PAL describes,with dry transfer lettering on the front of the panel and light overspray of clearcoat. An older iteration of the panel for my hidden staging yard when I was planning on using a mixture of 2-cab DC plus Dynatrol Command Control (before DCC came on the scene). Is it better to use the LED plastic holders or just glue the LED directly into the hole in the panel? Brendan (bdennis) didn't mention how he made his Delanson panel, but it is a very elegant solution (IMO). 1.) It uses gaps in the rails to create the stop areas - much easier to do than installing photocells and not affected by room lighting.
I seem to recall seeing this on the Tam Valley web site being labeled The Prof Silencer.  I got a little giggle out of that! The track-wiring schematics provided by Tam Valley (and posted above by Rich) must be followed. Twisting pairs of wires does reduce but does not eliminate the possibility of interference. The level of cross coupling between wires depends on many factors but primarily on the currents and frequencies involved and physical relationships of the wires. If you run a ~ ten inch wire adjacent and parallel to a section of rail carrying a DCC current you can measure the induced current. The field theory answer is complicated, but for all practical purposes the answer is Yes, that twisting wire pairs reduces the electric and magnetic field emissions from the pairs. The probability of interference causing problem on a layout is directly proportional to the size of the layout, the amount of wiring, the density of the wiring, the complexity of the wiring, the amount of power being used by the layout, and more.

If you run a small layout with few power feeds and limited DCC Cab Bus wiring the probability of cross talk causing problems is fairly low. On the other hand if you wiring looks something like this, expect to spend many many hours on interference issues. One note: Most individuals and even most clubs do not have access to the test equipment necessary to identify, define and fix interference problems.
Although the temporary wiring will work it will definitely mean additional wire and maybe extra work. Visit his website about wiring and DCC, garden train and much more : Wiring for DCC (see links page).
Turning Safe Search OFF may display content intended for mature audiences.You must be at least 18 years old to continue. Please enter at least one email addressYou are trying to send out more invites than you have remaining. Although new track work has been moving forward with DCC only, this vote means that DC is no longer in use on the Clinton Central Model Railroad layout.
This means that these turnouts can be operated from the Dispatcher's computer via JMRI, hand-held hammerhead throttles, smartphones, and tablets. A two-screen CTC panel and layout panel are located in the dispatcher's office and display train position on most of the main line.
Wireless headsets assigned to each engineer allow direct communications with the dispatcher who also controls operation of all mainline switches. The helix accesses this yard's level and two future levels behind the mountain above Agnes and Lockwood (also known as Central Yard). Waybills are inserted in each car card to give each car a destination and cargo assignment.
The beginnings of a second deck started in 2014 has been extended the entire length of the peninsula which will eventually offer space for new industries in both the front and back of the peninsula. Benchwork has been completed on a third deck for even more switching opportunities and storage, all of which are accessed by our original single track helix. Neither the service provider nor the domain owner maintain any relationship with the advertisers. The panel is printed on paper, which is then laminated and affixed to a sheet of MDF board. There are also other sources of interference which may need to be considered such as that 1 kW Ham system in the next room (a problem for one of our club members). So my advice for all layouts is to wire it as if you expect some installation and or external interference. Current work involving Panel Pro for computerized layout control is moving forward quite rapidly.
Future growth includes extending the second level the entire length of the third peninsula with several operating opportunities. Each car in a train consist has its own car card with a color picture of the car (for easy identification), the road name, car number and AAR Code (Association of American Railroads Freight Equipment Car Code).

The main line has also seen a reconfiguration in this area, including the addition of a spur which leads to the new helix and the new storage yard, and new dual track access to the storage yard in the back of the layout. Several operating sessions were held earlier in the year, using car cards and waybills representing each car and its load. In case of trademark issues please contact the domain owner directly (contact information can be found in whois).
IIRC, the LED indicators are made by punching holes in the printed panel artwork before it is laminated, and then drilling small holes in the MDF below the hole, and press-fitting the LEDs in the holes in the MDF from behind.
Wire pairs in telephone and IT cabling are twisted for just this reason, and the wire pairs in bundled telephone and IT cables are much closer together than most layout bus wiring. Actually there is always coupling between wires carrying currents, it is just the magnitude of the induced currents that are at issue.
But add a Digitrax BDL168 LocoNet Occupancy Detector with RX4 Transponding Receivers and some remote turnouts to that small layout, and without carful attention to wiring things can go very bad. Implementation of NCE's Switch-It and Switch-8s has begun, along with upgrades to Tyson Wye and the west end of the Central Yard. An engineer will be handed a packet of car cards for the train he is currently responsible for. The LEDs sit flush behind the laminated artwork, so the finished product has a very smooth look to it.
To further reduce cross coupling higher quality cable, in addition to twisting wire pairs, adds shielding to each wire pair.
When the time came to move the sections, I simply cut the wires at the middle of the loops. When the sections reached there new location, I used terminal strips and or connectors to reconnect the buses. Although the system was setup correctly, interference was swamping the detectors preventing detection of the locomotives. When first installed the detection and transponding circuits were being tripped by emissions from the ballasts in the workbench florescent lights. With the quality, reliability and ease of installation of PowePole connectors, I would consider just wiring the sections with some slack at the intersections with plans to use connectors to reconnect the buses after the move.
A little debugging and quite a bit of rewiring later the sound system is working correctly. Much rerouting and twisting of wiring and replacement of some with shielded cable the layout, except for when abused by the animals, functions very well.

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