KB626: DCS50 Zephyr 4 Digit Address Worksheet

This article was last updated on July 31, 2011, 3:33 p.m. | Print Article | Leave Feedback

For Tower 55 and other locomotives that require 4 digit address to be programmed using CV17 & CV18 instead of the normal Digitrax Throttle Automated method.

To determine the values to program into CV17 and CV18, please complete the following worksheet before beginning the 4-digit address programming procedure.

1. Write the 4-digit address to be programmed into the decoder here: _____________


2. Take the 4-digit address from step 1 and divide by 256. (Result from step 2 = ____________)


3. Take the digits to the left of the decimal point in the result from step 2 and add 192. (Result from step 3 = ____________)


4. The result from step 3 is the value for CV17. Write it below for reference during programming: CV17 = ___________)


5. Take the digits to the left of the decimal point in the result from step 2 and multiply by 256. (Result from step 5 = ____________)

6. Subtract the result from step 5 from the 4-digit address in step 1. (Result from step 6 = ____________)


7. If the result from step 6 is greater than 100, then write it below as the value for CV18. If the result is less than 100,then add a leading 0 to make the result three digits and write it below as the value for CV18.


CV18 = ___________

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