DCC Specialties PSX-AR

PSX-AR “Double Reverse Mode” Automatic Reverser

PSX-AR “Double Reverse Mode” CVs

This is a new product n the PSX-AR series. It was requested by users who have back-to-back reverse loops so that just about any set of two auto-reversers will flip-flop each other at the transition from one loop to the next. The reverse-loop transition is jerky or sporadic and the locomotive may stall.  The PSX-AR solves this problem.  It has a provision in the software where a slave unit PSX-AR is enabled by a CV change. The slave unit has a programmable reversing time delay so that the units reverse in sequence. This new feature is called Double Reverse Mode™.

Applicable CVs

    The new code uses CV55=0 to operate as the primary reverser (same as existing products). This is the default.
    Setting CV55=1 enables the unit as the secondary reverser. It will defer to the primary in reversing situations.
    CV65 controls the timing between the primary and secondary. Its default is 8, which seems to be fine.

IMPORTANT: The user should not use other values for CV65 unless directed specifically by us or by DCC Specialties. Mis-setting CV65 could cause your breaker to self-destruct if the delay is too long. Please call us if you have a question or concern, before a problem arises.   We can help you set CV65 to fine tune things.



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The Hobby Smith Model Train Store where diligent customer service is our commitment.  We are a full service model railroad store with a large inventory of new and used model trains and accessories for sale. We also have a large in-store operating layout.  Our offerings include special orders, repairs, DCC installations, consignments, and advice.  We offer discounts on Z, N, HO, and O scales as well as Marklin, Walthers Athearn, Roundhouse and other locomotive and rolling stock manufacturers.  Our store has a good selection of books, videos, paints and scenery material.  We welcome our customers to join in during operation sessions on our in-store layout.  Just call ahead so we know your coming.