Difference between revisions of "CV 24"
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| − | + | |cv name=Consist Deceleration Adjustment | |
| − | | | + | |cv range=0-255 |
| − | | | + | |cv accepted=0-255 |
| − | | | + | |cv default=0 |
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}} | }} | ||
== NMRA CV 24 - Consist Deceleration Adjustment == | == NMRA CV 24 - Consist Deceleration Adjustment == | ||
| − | This CV contains additional deceleration rate information that is to be added to or subtracted from the base value contained in Configuration Variable #4. This CV will only affect the momentum when CV19 is a non-0 value, meaning the decoder is configured for advanced consisting. The total momentum value can be calculated using the following formula: | + | This CV contains additional deceleration rate information that is to be added to or subtracted from the base value contained in Configuration Variable #4. This CV will only affect the momentum when CV19 is a non-0 value, meaning the decoder is configured for advanced consisting. The total momentum value can be calculated using the following formula: ([the contents of CV#24] multiplied by [0.896]) divided by (number of speed steps in use) |
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| − | ([the contents of CV#24] multiplied by [0.896]) divided by (number of speed steps in use) | ||
| − | |||
This is a 7 bit value (bits 0-6) with bit 7 being reserved for a sign bit (0-add, 1-subtract). The product of this formula is added to the value in CV 3. In case of overflow (CV24 + CV4 > 255), the maximum deceleration rate shall be used (255). In case of underflow (CV4 + (-)CV24 < 0) no deceleration shall be used (0). The expected use of this configuration is for changing momentum to simulate differing train lengths/loads. Consisted/MU's tend to pull/push more cars, and therefore can have simulated higher loads by using this configuration. | This is a 7 bit value (bits 0-6) with bit 7 being reserved for a sign bit (0-add, 1-subtract). The product of this formula is added to the value in CV 3. In case of overflow (CV24 + CV4 > 255), the maximum deceleration rate shall be used (255). In case of underflow (CV4 + (-)CV24 < 0) no deceleration shall be used (0). The expected use of this configuration is for changing momentum to simulate differing train lengths/loads. Consisted/MU's tend to pull/push more cars, and therefore can have simulated higher loads by using this configuration. | ||
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''' Related: ''' | ''' Related: ''' | ||
* [[{{NAMESPACE}}:CV_19|Consist Address]] | * [[{{NAMESPACE}}:CV_19|Consist Address]] | ||
Revision as of 21:15, 3 November 2022
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NMRA CV 24 - Consist Deceleration Adjustment
This CV contains additional deceleration rate information that is to be added to or subtracted from the base value contained in Configuration Variable #4. This CV will only affect the momentum when CV19 is a non-0 value, meaning the decoder is configured for advanced consisting. The total momentum value can be calculated using the following formula: ([the contents of CV#24] multiplied by [0.896]) divided by (number of speed steps in use)
This is a 7 bit value (bits 0-6) with bit 7 being reserved for a sign bit (0-add, 1-subtract). The product of this formula is added to the value in CV 3. In case of overflow (CV24 + CV4 > 255), the maximum deceleration rate shall be used (255). In case of underflow (CV4 + (-)CV24 < 0) no deceleration shall be used (0). The expected use of this configuration is for changing momentum to simulate differing train lengths/loads. Consisted/MU's tend to pull/push more cars, and therefore can have simulated higher loads by using this configuration.
Related:
