Model Rail Forum 4-digit (long) Loco address CV calculator

This is used if your programming system can't directly program 4-digit addresses.

     
  4 digit loco address:
     
Required decimal values for CV17 & CV18  
     
  CV17:  
     
  CV18:  
     
Remember to add the decimal value of 32 to CV29 (bit 5). This turns on extended addressing.