Being able to change points and operate accessories with the minimum of wiring and fuss is one of the main attractions of digital control and the Hornby Accessory/Point Decoder allows the operator to do just that. Wiring points up in the old analogue fashion can be quite a daunting exercise. On some layouts which have numerous points this can mean that there are metres upon metres of cabling plus a whole bank of switches. Hours can be spent carefully wiring up the points only to find that there is a fault or an intermittent connection which means more hours of crawling about on the floor trying to locate the problem. With the Hornby digital system these horrors can be but a distant memory.
The Hornby R8247 Accessory/Point Decoder can be programmed to accommodate four point motors or solenoid operated accessories, plus other electrical accessories that require a constant or delayed current flow, for example a turntable. Connection of the points or accessories to the Hornby Accessory/Point Decoder is straightforward. The four outputs are factory set for the operation of solenoid (point) motors, however, by adjusting the CV settings of each output a graduation of varying ‘bursts’ of current up to a constant current (turntable motor operation, lighting, etc.) can be obtained for each individual output.
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Hornby R8249 Basic Locomotive Decoder v1.3
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The decoder is capable of "picking up" the signals from the Select and Elite DCC Controllers. The signal are then converted into actions which includes. Moving forward and reversing at a determined speed, stopping and starting, If fitted, switching the locomotives lights on and off.
Supports 1 Amp continuous current with 1.5 Amp stall. low speed "gear" for shunting operations. Set amounts of "water" and "fuel" can be stored in the Sapphire providing real time fuel consumption. Burn rates can be selected. The Saphire decoder is NMRA compliant, and supports RailCom and asymmetric DCC.
High Frequency back-emf motor control - high frequency to reduce audile noise Low speed gear for shunting operations 14, 28 and 128 speed steps Operation on conventional DC layouts Provides 1A continious motor current and 1.5A stall. Four function outputs rated at 200mA each. Total current sum of function outputs is 500mA Directional or independant lighting, featurng dimming and extensive special effects Advanced consist control and extended addresing Support for all forms of programming as described in NMRA RP-9.2.3 21-pin connector
