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The OC1 is a four-segment DCC block occupancy detector. It is completely powered from DCC, and provides four optically-isolated outputs with a common ground. The advanced microcontroller design allows for previously unavailable occupancy detection features, including compensating for the unoccupied current level and easy sensitivity setting in small calibrated steps. A single axle with a 10 kΩ resistor between the wheels can be reliably detected. Features:
- Zero level compensation. After you connect the OC1 to DCC power and the track segments, you remove everything from the track and press the button (see operations section for details). This measures the current when the track is unoccupied and saves these value for each segment in the digital memory of the processor. During normal operation, the saved zero levels are subtracted from live readings before determining whether a segment is occupied. This greatly reduces false readings due to leakage and capacitive coupling such as from twisted pair wires.
- Adjustable sensitivity from 1/4 milliamp (mA) to 3 3/4 mA in 1/4 mA steps. For reference, a single 10 kΩ resistor accross the track draws from about 1 mA to over 2 mA depending on the DCC voltage.
- Optional 2 second hold time. The unit can be configured to hold all occupied indications for at least 2 seconds, or to make the outputs immediate.
- Supports up to 4 amps current per segment.
- Isolated outputs. The outputs are completely isolated from the DCC power via opto-couplers.
- Occupied indicator LEDs for each segment.
- Low voltage drop. The electronic sensors drop only 400 mV at full current and less at lower current.
- The open-collector outputs can sink 25 mA, allowing most common LEDs to be driven directly without additional relays or transistors.
- Can drive digital logic inputs with only a single added pullup resistor per segment.
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The latest run of InterMountain FP7A and matching F7B's are available now.
The first shipment of FP7's came and went. More models are on the way!
The N scale model is DC only but I stock lots of decoder options that fit this model.
DCC TIP: Rumor has it that this production run of the N scale model comes with wires off of the motor so the brass blocks will have to be removed from the decoder to complete this install.
Road names include Canadian Pacific (Script), Chicago & North Western (Commuter), Soo Line, Chicago Great Western, Ontario Northland, Milwaukee Road, Pennsylvania RR, Alaska RR (Bicentennial), Canadian Pacific (Block) and Kansas City Southern (Executive).
Call for availability as not all models will be stocked.
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Branchline Trains
Eastern Seaboard Models
Red Caboose
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Centralia Car Shops
Trainworx
Tichy Trains
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Deluxe Innovations
YesterYear Models
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email me at sales@sbs4dcc.com for a complete list of product currently available from these great manufacturers...
This list includes freight, passenger, cabeese, and locomotives in HO, N and Z scales.
I am not able to physically stock all of these items but can offer them to SBS4DCC customers. Pricing is 20% off MSRP for most items.
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Flag Stop...
What YOU See Is What I Have
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SBS4DCC - Stock Status Information
Just a reminder that SBS4DCC features real-time inventory tracking. If it says it is in stock... it IS... I try to maintain a strong selection of DCC and Model Railroad products and try not to hide what I do not stock yet. I appreciate the opportunity to provide catalog items when you can wait a few extra days as this makes a huge difference in my ability to grow and expand my selection.
Every now and then, I do run out of an item. Backorders are accepted on many stock items and orders can still be placed for those items through the web store.
Don't see what you need? I have a growing list of suppliers so be sure to ask about any product you need that is not listed on my site.
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Now Boarding...
New Product Announcements
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InterMountain SD40-2
InterMountain has announced another run of the ubiquitous SD40-2, a model of locomotive used by nearly every railroad since its introduction in 1972.
Expected delivery of this run is December, 2014.
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Atlas H16-44
Atlas has announced another run of the vintage transition era diesel featuring the streamlined styling of Raymond Lowey, the Fairbanks Morse H16-44.
Expected delivery is February, 2015.
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Finally! A small speaker that will rock your world.
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Four Sizes
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Eight Baffles
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Thirty Two Sweet Speaker Options
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SBS4DCC Varnish Lighting
Bring your crack passenger trains to life with the brilliance and intensity of flicker-free LED lighting at an affordable price.
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Constant Non-Directional Design
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Expandable Anti-Flicker Circuit
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DCC-Friendly Design
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Adjustable Brightness
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Z, N and HO Scale Models Available
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The ESU LokTester is a stand-alone DCC Decoder Test Station compatible with any brand of decoder or command station.
Connections:
Screw Terminal
Next18 NEM661
6-Pin NEM651
8-Pin NEM652
PluX NEM658
21MTC NEM660
Features:
6 Function LEDs
5-pole Motor
20mm Speaker
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Its design is based upon infrared beams which create a "trap" zone through which the train travels.
Accutrak Features:
Ideal for DCC speed matching DCC Operates on 2 AAA batteries Scale Selectable - N or HO
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And don't forget I carry a fantastic selection of DCC products from all of the best manufacturers including CT Elektroniks, Digitrax, Electronic Solutions Ulm (ESU), Lenz,MRC, NCE, QSI Solutions, Roco Z21, Soundtraxx, TCS and Zimo.
Visit SBS4DCC today!
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