Sprog SBOOST User Manual Download Page 8

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SBOOST User Guide

Version 1.4 February 2012

Example 3

SPROG 3 (or SPROG II) driving multiple SBOOST with common power
supply.

The power supply must be able to supply the full rated current (e.g., at least 5
Amp for 2 x SBOOST).

Power districts must be separated by isolation gaps in both rails.

The SPROG can be powered from one of the SBOOST

Isolation Gap

Power

To further SBOOST

Summary of Contents for SBOOST

Page 2: ...and station DCC activity LED shows reception of valid DCC input Power LED flashes when programming track power is live Specification Operating Conditions Parameter Minimum Typical Maximum Units DC Inp...

Page 3: ...rack power on Flashing quickly Short circuit DCC LED Flashing slowly No DCC signal Flashing Quickly Valid DCC Signal Installation The following steps are required to install SBOOST before you can use...

Page 4: ...ROG II version 2 and earlier The pluggable terminal block is arranged to allow a straight forward connection to a SPROG II for both the DCC signal and to supply power to the SPROG II See below see the...

Page 5: ...districts then care must be taken with both the DCC input connections and the track connections to ensure the same polarity at each SBOOST Connect all of the SBOOST In A terminals together and connect...

Page 6: ...ROG 3 or SPROG II and SBOOST with common power supply Using a SPROG 3 and SBOOST in this way is not recommended A short circuit in the SPROG 3 power zone will affect the DCC signal to the SBOOST The p...

Page 7: ...commended A short circuit in the SPROG 3 power zone will affect the DCC signal to the SBOOST Each power supply should be the same voltage Each power supply must be able to supply the full rated curren...

Page 8: ...iving multiple SBOOST with common power supply The power supply must be able to supply the full rated current e g at least 5 Amp for 2 x SBOOST Power districts must be separated by isolation gaps in b...

Page 9: ...Each power supply should be the same voltage Each power supply must be able to supply the full rated current i e at least 2 5 Amp A common ground connection is required between the power supplies Powe...

Page 10: ...oop or wye formation as a separate power district To enable or disable auto reverse operation you must open the casing of the SBOOST and fit or remove a jumper link To open the casing prize the two ha...

Page 11: ...to reverse operation must not be enabled in adjacent power districts This may cause thrashing as both SBOOST try to auto reverse simultaneously For UK customers spare jumper links may be obtained from...

Page 12: ...reporting any problems please check the SPROG DCC webpages for any bug reports or updates Useful Links SPROG homepage http www sprog dcc co uk for the latest information updates downloads etc for SBOO...