KB923: CV19, CV21, CV22 - Advanced Consist Address/Function Controls

This article was last updated on Oct. 19, 2010, 6:55 p.m. | Print Article | Leave Feedback

Most customers that use Digitrax command stations use Universal Consisting instead of Advanced Consisting as described here.  With Universal consisting, the consist information is handled by the command station instead of by the decoder.

CV19 is the advanced consist address. CV19 also contains data for the direction in which the consist will operate. See the table below to determine what value to program into CV19

CV19 Value

Effect on Adv Consist Address

Normal Direction of Travel of Advanced Consist

000

Advanced Consist Addressing Disabled

N/A

001 - 127

Advanced Consist Addressing Enabled

Forward

129 - 255

Advanced Consist Addressing Enabled

Reverse


When CV19 is active, the functions within the advanced consist are individually controlled at their regular addresses.

CV21 & CV22: Advanced Consisting Controls

Controlling Advanced Consist Functions with the Advanced Consist Address

 CV21 & CV22 allow you to override this and place specific functions under the control of the advanced consist address. To determine the hex value to program into these CVs, add up the hex values of the functions you want to control in the advanced consist and program that value into the CVs. To make all CVs be controlled by the advanced consist address, program a value of 255/xFF to both CV21 & CV22.
 
CV21 Values

F1

 01

F2

 02

F3

 04

F4

 08

F5

 16

F6

 32

F7

 64

F8

 128



CV22 Values

F0

 01

 

 
   
   

F9

 16

F10

 32

F11

 64

F12

 128



For example: If you want to have F0, F1 and F5 controlled by the advanced consist address, program CV21 to a value of 023 and CV22 to a value of  001/. All other functions will still be controlled by the decoder's regular address.

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