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Messages - tpgates

#1
Being a controls engineer I erroneously assumed a duty cycle similar to a double solenoid detent pneumatic valve and destroyed three of my four turnouts before I realized that they were overheating. I had written a little subroutine that exercised them continuously to wear them in a little. Lesson learned!!! I ordered four new turnouts and installed them. One of them would not respond and after thirty minutes of pondering what I did incorrectly, I checked the resistance between the three leads and discovered that the each measured 12ohms instead of 24ohms and it was a dead short between the two coil sides. Removed the metal plate and the short went away, bad from the factory.
Purchased another...I am now using a 50msec. pulse to shift the direction. The 1769-OWI relay outputs that I am using have a 10msec. response time so I might shorten the pulse until they do not respond and then bump it back up. I am using a 12vac transformer for power. I might eliminate the transformer and use the 24vdc that I have available with a shorter pulse duration. I might even use a 1769-OB16 with the 24vdc and put a capacitor on each output to protect the SS device from the inductive spike.

The little Plymouth Diesel that I am using to test the track does not pass over the turnouts smoothly, I am very disappointed and do not have the time to try to tweak them with a file.

The ConCor Blue Goose Loco/Tender (purchased used) evidently had some wear on the insulation of the fine wires between the two, they came in contact with each other and evaporated like a fuse. I realize they do not want the conductors to be visible but a heavier ga. with good insulation in black would have been much smarter.

My expertise is industrial control systems (plcprofessor YouTube channel and www.plcprofessor.com) and I am not a model railroader but I do love trains. This is a Christmas tree layout to reuse every year.

Thank you to everyone who provided advice and good railroading...
#2
N / Re: Lose of power crossing turnouts
December 14, 2015, 06:05:56 PM
In taking one of these apart, it looks like they are power routing...
#3
N / Re: Lose of power crossing turnouts
December 14, 2015, 03:46:14 PM
I have the same problem...N Scale MDT Plymouth Diesel Locomotive stalls on turnout if you do not have a good head of steam (inertia) to carry it across the dead spot. All four of my turnouts cause it to coast across that spot. I have four power connections, one on each segment between the four turnouts.
#4
N / EZ Turnouts N scale - voltage/power specifications
December 14, 2015, 03:25:21 PM
I am controlling my turnouts with a Programmable Logic Controller.
Do they require 12vac or ??DC? Continuous duty or pulse to position?
#5
HO / Re: adding sound to a spectrum explorer
November 06, 2015, 01:46:50 PM
speaker/s anywhere on the layout will suffice. What was the product that you referred to? IR control would be great. Thanks...
#6
HO / adding sound to a spectrum explorer
November 06, 2015, 11:03:24 AM
I ordered a spectrum explorer Santa Fe DCC 01308. I want to add sound to the layout or the train. Under the Christmas tree layout, nothing real fancy. What do I need in addition to th set?