Diesel Version 5:CV 112

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NMRA CV# 112
  • Beta test* Short circuit trip point Motor offset
Range of Values0-15
Default Value2

NMRA CV 112 - Beta testing short circuit trip point motor offset

This CV is temporarily used for beta testing. Only mess with this CV if you find the decoder talking to you and saying there is a motor or light short circuit when there isn't actually one. TCS allowed the trip point to be programmable by beta testers because we are assuming not all locomotives act alike and will need customizing. Once we get feedback from the Beta testers we will modify the default values, thanks for helping us figure out the best values!
CV112 controls how much current is added onto the base trip point in Short Circuit Trip Point Base CV when the motor is running. Each value adds .35 Amps to the trip point, the value can go up to 15. giving a total range of 0 Amps to 5.25 Amps.

Example: .7 amps when the motor is on in addition to the base trip point

Additional amperage allowance when motor is on .7A / .35A per value = value of 2 in CV112

Additionally the harder the motor is working the higher the trip point will get set by decoder code internally, but you don't need to worry about that as its not user programmable. If you find false motor shorts and certain speeds but not others please let TCS know what speeds it falsely trips at