RailPro > RailPro Specific Help & Discussion
MOTOR FULL LOAD CURRENT
KPack:
Thanks for the info there Tim. That clears up one of the questions that I had regarding the locomotive modules communicating with each other. Initially I thought the lead locomotive communicated with the controller, and then the controller sent the signal out to the followers. It looks like that is only one of the paths, and that the locomotive modules communicate directly with one another. Love it!
-Kevin
Alan:
--- Quote ---As an example, when the lead locomotive is sent a reference command signal to begin movement, its motor power will increase until static friction is broken, then the motor power will reduce in order to maintain a steady roll.
--- End quote ---
Confirmed. I saw this on the scope. Anytime you move the throttle off of 0%, even if you only move it a little bit, say to 5%, there is an immediate huge current spike that lasts only milliseconds. Following the spike there is relatively high current that quickly trails off. Reminds you of the lights in the garage when the compressor kicks on.
Tom:
Alan,
Thank you for the great picture. I am assuming that “RECTIFIED FILTERED DCC INSIDE THE MODULE” is, at least roughly, the same as “REGULATED DC ON THE RAILS AND INSIDE THE MODULE.”
Since I have no familiarity with DCC, one last question: is a DCC decoder doing essentially the same thing as a Ring Module (the middle row) for power, in addition to picking up command signals from the rails instead of over the air?
Alan:
--- Quote from: Tom on August 04, 2018, 10:48:54 AM ---Since I have no familiarity with DCC, one last question: is a DCC decoder doing essentially the same thing as a Ring Module (the middle row) for power, in addition to picking up command signals from the rails instead of over the air?
--- End quote ---
Yes.
TwinStar:
Tim:
Where did you find the patent info? I'm got several Free-mo guys trying to tell me there's no way Ring can have no 'radio interference issues' like Digitrax. I've tried to explain how I've stood next to a Dgitrax duplex user who had lost their signal while my RailPro was running fine.
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