If you simultaneously switch a 2-rail double crossover from both routes straight to both routes diverging, the polarity of the end frogs of the diamond are indeterminate. However it may be possible for a deduced JMRI signal output to be used to set those correctly, depending on JMRI knowing which diverging? route has been activated.
Andy
On 11/20/2018 9:58 AM, JerryG via Groups.Io wrote:
Andy -
Not sure I understand your question as frogs have not yet been connected other than what came from the manufacturer (Walthers) and this has not been a problem in my testing so far. ?If they turn out to be a problem, my plan is to drive frog polarity either from auxiliary contacts on one of the switch machines or to install a dual Frog Juicer. ?Right now, I¡¯m just trying to get the controls working via JMRI entries. ?FYI, my switch machines and sensors are controlled via Arduinos operating as CMRI nodes, although I don¡¯t see how that would make a difference to how a JMRI Turnout Table entry works.
Thanks, Jerry
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