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Commander Reference Manual
4.4.1
Configuration Variables
CV-table
Introduction
This chapter contains information for users of the
digital system DCC only. Configuration variables,
CVs ("Konfigurations-Variablen") enable the ad-
justment of specific decoder- parameters. The de-
coder-characteristics are memorized in particular,
not volatile memory parts of the decoder. They are
accessed by so called registers respectively their
numbers.
CV-Nr.
Function
1
basic address
2
starting voltage
3
acceleration rate
4
deceleration rate
5
engine voltage, maximum
6
engine voltage, average
7
manufacturer version number
Read decoder instructions!
Please always observe the information given
in the decoder instruction.
Commander Reference Manual version 1.0 from 2009-12-03, page 115
CV-table
The table shows all standard CVs and their func-
tions. Not standardized CVs can be exploited in-
dividually by the decoder manufacturer. On this
grounds, please always observe the instructions of
the respective decoder you want to program.
Description
The basic- or short address of a decoder has the
range from 1 to 127.
The standard value of new decoder is 3.
The value should be adjusted at such a level that the
locomotive just starts running at speed step 1.
This rate determines the degree of deceleration when
accelerating the speed steps. The simulation of the st-
arting acceleration behaviour of heavy as well as light
trains is thus made.
High value = slow acceleration
Low value = high acceleration
This rate determines the deceleration when decelera-
ting the speed steps. The simulation of the braking be-
haviour of heavy as well as light trains is thus made
possible.
High value = long braking distance
Low value = short braking distance
This CV determines the maximum voltage induced in
the engine and thus determines the maximum speed
of the locomotive. The decoder exploits the value for
the calculation of the internal speed ramp.
This CV determines the average voltage induced in
the engine and thus determines the average speed of
the locomotive. The decoder exploits the value for the
calculation of the internal speed ramp.
Decoder manufacturers lay down information about
the decoder-software version here. This value can not
be modified.
Tip: CV-data indication of the Commander
The Commander visualizes the respective
function of a CV-register in plain language.
You can access each CV directly by the in-
dex card 6 (chapter 2.1.6), read the function
and modify the value bit by bit.
4.4.1
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