Tagged With "Trip"

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Re: MTH Z4000 onboard breakers not tripping

Former Member ·
By the time the breakers trip on any of those above mentioned units the damage to the locomotive will already be done
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Re: MTH Z4000 onboard breakers not tripping

Former Member ·
If you put anything close to 10 amps thru any legacy, TMCC or ProtoSound electronics they're gonna be toast. If you're looking to protect the internal electronics put a 4 amp breaker inside the loco on the pickup roller
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Re: MTH Z4000 onboard breakers not tripping

Oman ·
The Z4000 is an electronic power supply. It probably is current limited to less than 15 amp. So, even with a dead short it will not deliver a large amount of current. A 180 watt transformer, which I believe the Lionel brick is, would probably deliver more than 50 amp, if a dead short was applied and it would do that, although briefly. I think many underestimate the Z4000 because they don't understand it.
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Re: MTH Z4000 onboard breakers not tripping

oldschoolrail ·
Thanks for both of your replies! I appreciate the insight. I assumed the breaker would trip with something like a screwdriver across the tracks or a derailment. Any suggestions from anyone on how to remedy the situation or anything I might be doing wrong? Is there any way to test the breakers other than the 'screwdriver' test? Thanks in advance. Bummed out that the z4000 breakers aren't working. That's one of the reasons I went with this transformer as opposed to a ZW...because it had things...
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Re: MTH Z4000 onboard breakers not tripping

Former Member ·
The internal circuitry shuts the throttle down before the breaker trips. I've only seen them trip in the event that the FETs failed to a dead short.
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Re: MTH Z4000 onboard breakers not tripping

oldschoolrail ·
Thanks all! I appreciate all of the valuable input. I noticed today that a derailment did flip on the 'overload' light and shut the throttle off...or at least I'm assuming it did since the locomotive probably wasn't making contact with the central rail anymore. The FET explanation is perfect. Thanks! So I'm assuming the red 'overload' light is in essence a breaker or fail safe then? Like on the lionel gw-180 when the light blinks red during a short? So, even if the circuits on the back...
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Re: MTH Z4000 onboard breakers not tripping

Engineer-Joe ·
I don't believe they are.
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Re: MTH Z4000 onboard breakers not tripping

oldschoolrail ·
Thanks Matt!
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Re: MTH Z4000 onboard breakers not tripping

Moonman ·
Yes, the red overload condition is a breaker for track protection. The "big ones" are transformer protection. I don't believe that you need the in-line fuse protection to the track with a Z-4000. If you want that, use the AGC Fast Blow. The amperage will depend on what you are running. I would guess a 4, 5 or 6 amp. You do have to be careful running modern Lionel equipment. The Z-4000 output voltage can reach 20-22 volts. Ok for MTH equipment, but the max for Lionel should be 18 volts. Check...
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Alternate emergency stop wiring for MTH DCS

pro hobby ·
Alternate emergency stop wiring for MTH DCS An alternate method for disconnecting track power is to directly remove the power that feeds the track using a trip relay. My method does not affect the TIU which is wired to the track in Passive mode. I have an emergency trip circuit that uses 4 E-Stop buttons located around my layout. Pressing anyone of these E-Stops trips a relay that provides power to the track. In addition to the manually operated E-Stops there is also a wireless trip circuit...
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Re: Alternate emergency stop wiring for MTH DCS

superwarp1 ·
Can't see your pics. For emergency stops i have a tpc300 between the transformer and TIU. That way no matter what remote or app I'm using I can always kill power in case of any emergency.
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Re: Alternate emergency stop wiring for MTH DCS

gunrunnerjohn ·
Pictures do leave something to be desired.
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Re: Alternate emergency stop wiring for MTH DCS

GGG ·
If you are operating passive how are you powering TIU? Aux power or Fixed 1? If fixed one track goes away so will TIU. G
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6000 miles on Amtrak....with other stuff too....

AMCDave ·
I just returned from my annual trip from West Virginia to So Cal via Amtrak. As always I write about this trip. It includes my 8 days on Amtrak but also all activities over the 4 week trip. It's long and I do this for myself and friends but open to all. Link is below and just click on the 2017 link inside. You will also find hundreds of photos from the trip. Thanks!!! www.currtail.com Raton NM
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Re: 6000 miles on Amtrak....with other stuff too....

TURTLE 2 ·
WOW! What a fantastic trip. I am still reading through parts of your narrative. Thanks for sharing.
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Re: 6000 miles on Amtrak....with other stuff too....

PAUL ROMANO ·
That 1934 Terraplane pick-up sounds neat!
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Re: 6000 miles on Amtrak....with other stuff too....

AMCDave ·
Thanks...it is.......It was on display at PETERSON museum for nine months. BTW that's the 37 sedan next to it.
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Re: 6000 miles on Amtrak....with other stuff too....

Penn-Pacific ·
Cool, love the photo's. Haven't gone through all of them yet..... Photo's 58, 59 and 62-65 looks like a cement plant? Giving me great ideas for a scene on the layout!
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Re: 6000 miles on Amtrak....with other stuff too....

John McEnerney ·
I often ride the Auto-train to Florida. I wish they had extended the service to places like Denver or the West Coast.
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Re: 6000 miles on Amtrak....with other stuff too....

AMCDave ·
ME TOO!!! If there was Auto-train west.....there would be photos of me and this at the CA car shows!!!
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Re: MTH Z4000 Power Issue

TrainMasterMark ·
The track in question is conventional. My track one is DCS and TMCC
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Re: MTH Z4000 Power Issue

H1000 ·
Swap track one and two on your z4k to see if the condition continues on the other handle. If the problem swaps to the other handle then there is a problem with your track, if not the problem lies with your transformer. If the problem lies with your z4k, it will need to opened for some service.
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Re: MTH Z4000 Power Issue

drelo ·
Are you running conventional or DCS? If DCS, check for a blown fuse in your TIU.
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Re: MTH Z4000 Power Issue

Ron_S ·
Did you check the circuit breaker on the Z4000?
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Re: MTH Z4000 Power Issue

TrainMasterMark ·
I managed to get lucky and solve the problem. The transformer was hung up on something. I hit the buttons on the transformer and it ended up working again. Very weird but at least we’re up and running again! Thanks to everyone for their help.
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Re: MTH Z4000 Power Issue

H1000 ·
OP mentioned & photographed that the breakers did not trip.
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MTH Z4000 Power Issue

TrainMasterMark ·
I was starting to run some trains while I was taking care of a few things downstairs. I had a small derailment with one of my engines on start up running on my track two loop. It did not trigger a power overload on the Z4000. However, I no longer able to get voltage to the track when I give it power as normal on my Z4000 power handle for track two. My track one functions and works fine as normal but my other track is basically dead in the water. Has anyone run into this problem before and...
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