TDP Associates Servo Master    Precision control, where it's needed. "Automated control for crossing gates, barriers and heaps of other stuff" More Information: Servomaster instructions.doc	TDP & Associates, Inc. Electronics for the Model Railroader Checks speed in up to 4 different places or on multiple tracks   Specifications: Controls crossings or points Everything you need (except gates/barriers) is included Simple installation Full instructions included Uses ambient light to detect the train* Bright LED display Powered by the aux 12V from your power pack or by an optional wall transformer Sensors can be mounted up to 30’ from display unit   This is the first fully automated complete crossing kit that works with barriers or crossing gates. Layout background Railway modelling these days is all about prototypical operation, and ambience. There is the loco sound kind of ambience, the background sound kind of ambience, and visual ambience  - Scenery, and motion, the thing that separates model railways from most forms of art. Adding more movement adds even more interest. and another item that can add to layout movement is a pair of crossing gates that actually work correctly! Crossing Gate Operation Even with DCC how is a modeller expected to connect block detectors and interlocks to duplicate the prototypes operation (remember goal one?) well we now have an answer the TrainSpeed ServoMaster that can solve all of the logic and control problems for a crossing gate or even a semaphore. The motion is done with servos that can also be used to operate points. ServoMaster The ServoMaster comes with a printed circuit board, two servo motors, and programing jumpers. Two cables are provided. One to connect the LEDs in the crossing signal and one for photo track detectors. The unit will run on 9 to 12 volts AC or DC. There is a manual with step-by-step instructions on using the ServoMaster for grade crossings, turnouts and semaphores. The servos are small units made by Futaba, a name that is well known to model airplane enthusiasts for reliability. These two servos are connected to the printed circuit board with an 300mm long cable. There are four operating modes: The first is the crossing gate using the photo cells. The second is the crossing gates using other types of detectors. The third is use for point control The fourth mode is for a semaphore.
This product was added on Saturday 26 August, 2006.
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