Author Topic: FEF not running on DC (00) setting on a DCC layout  (Read 975 times)

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OldEastRR

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FEF not running on DC (00) setting on a DCC layout
« on: January 16, 2015, 04:26:06 AM »
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Has this anything to do with the coreless motor? The motor does the customary "CD buzz" when the DCC is set to DC, but no go anything. Obviously talking about a non-decoder equipped loco.

jdcolombo

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Re: FEF not running on DC (00) setting on a DCC layout
« Reply #1 on: January 16, 2015, 09:07:58 AM »
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Mine ran on address 00 on a Digitrax Chief system.

I wouldn't do this for long, however, given the coreless motor.   I ran mine out of the box for about 5 seconds just to make sure it ran.  After that, I installed a DCC decoder.

Have you run other DC locos on your system at address 00?   I ask, because some systems require you to actually "switch on" bit stretching to do this, and some systems won't do it at all.

John C.

mmagliaro

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Re: FEF not running on DC (00) setting on a DCC layout
« Reply #2 on: January 16, 2015, 12:21:53 PM »
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This is related to a new thread I was just going to start in here!

It is a bad idea to run a coreless motor, with no decoder, on a DCC system, on the DCC "analog mode"
pulses.  That buzzing you hear when you do this with a conventional motor is the DCC pulses
vibrating the motor.  Most conventional motors have enough iron and mass in them that they can take
this... for a while.  But I would expect that a coreless motor will build up heat and be destroyed
rather quickly like this.

I never put any of my Faulhaber or Maxon-equipped DC-only coreless engines on friends' DCC layouts
for this reason.

mmyers

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Re: FEF not running on DC (00) setting on a DCC layout
« Reply #3 on: January 17, 2015, 03:39:41 PM »
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Bad idea to run it on DCC with no decoder. Frequency is way too low for a coreless motor. That being said, Is analog enabled on the command station?  I have analog disabled on my Digitrax systems. It's disabled on the club system too. Engines will sit and buz. They just won't go. BTW, Sitting and buzzing does the most damage.

Martin Myers