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Additional questions about using TVS's and/or surge protectors with fuses for DCS.

O ogaugeguyOGR Forum Member DIGITAL SUBSCRIBER

I plan on running, DCS, TMCC, and conventional engines on two loops of fastrack, none larger than 10 x 12 ft. max., powered by a Z-4000 connected to a TIU's variable 0-22 voltage input with a TMCC  base connected to that TIU. (The TIU is a version I that's been updated to version 5.0 software.) The TIU will be powered at aux. power in using an 18 volt 1.5 amp AC/DC adapter.  I also hope to add the WIFI WIU module sometime in the future.

I'm aware the DCS Companion book states if you opt to include a fuse between the transformer and TIU that a conservation recommendation is to use a fast blow 10 amp fuse which is exactly what I plan to include using a mini blade type fuse.

My question is, "Would it be worthwhile and add additional protection to also have a fast blow fuse between the TIU's output and the track?" If yes, then what amperage would be recommended?

Finally, I know that besides short circuits, transient voltage spikes can destroy a train's electronics too so how should those be dealt with? Would a surge suppressor provide adequate protection, and if yes, then how many joules? If something better is available, what is it and where can it be purchased ? Please include manufacturer, model or item number and where in the setup I've described it should be installed.

Thank you for your help and recommendations.

Last edited by ogaugeguy
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O ogaugeguyOGR Forum Member DIGITAL SUBSCRIBER

Thank you very much, Barry, for writing your excellent book and also having the patience and taking the time to answer questions. Your wealth of knowledge and shared advice of all things DCS has undoubtedly helped myself and others avoid costly mistakes.

I have two additional questions concerning voltage spikes and DCS operation. You've likely discussed this possibility in your book but I can't seem to locate it so I'm asking:

Would a power strip or electric outlet with a built in surge protector advisable for the setup I described in this post? If so, how many joules would you recommend?

People have also mentioned the desirability of having a layout with a tvs. Should I include a tvs for the setup I've mentioned and if yes, what size or type tvs and exactly where should I wire it in on the setup?

 

 

Last edited by ogaugeguy
Barry BroskowitzBarry BroskowitzOGR Forum Member MEMORIALIZED MEMBER

Would a power strip or electric outlet with a built in surge protector advisable for the setup I described in this post?

Yes, it would. Even better would be using a UPS (uninterruptible power supply) instead of, or in addition to, the power strip.

If so, how many joules would you recommend?

The higher the better.

People have also mentioned the desirability of having a layout with a tvs. Should I include a tvs for the setup I've mentioned and if yes, what size or type tvs and exactly where should I wire it in on the setup?

You can never have too many TVS's, however, be aware that every TIU channel already has a TVS built-in.

willygeewillygeeOGR Forum Member
Barry Broskowitz posted:

Would a power strip or electric outlet with a built in surge protector advisable for the setup I described in this post?

Yes, it would. Even better would be using a UPS (uninterruptible power supply) instead of, or in addition to, the power strip.

If so, how many joules would you recommend?

The higher the better.

People have also mentioned the desirability of having a layout with a tvs. Should I include a tvs for the setup I've mentioned and if yes, what size or type tvs and exactly where should I wire it in on the setup?

You can never have too many TVS's, however, be aware that every TIU channel already has a TVS built-in.

Good advice..i use one of these in front of my TIU.ups

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O ogaugeguyOGR Forum Member DIGITAL SUBSCRIBER
willygee posted:
Barry Broskowitz posted:

Would a power strip or electric outlet with a built in surge protector advisable for the setup I described in this post?

Yes, it would. Even better would be using a UPS (uninterruptible power supply) instead of, or in addition to, the power strip.

If so, how many joules would you recommend?

The higher the better.

People have also mentioned the desirability of having a layout with a tvs. Should I include a tvs for the setup I've mentioned and if yes, what size or type tvs and exactly where should I wire it in on the setup?

You can never have too many TVS's, however, be aware that every TIU channel already has a TVS built-in.

Good advice..i use one of these in front of my TIU.ups

Willygee, is that the CyberPower CP1350AVRLCD Line-Interactive UPS System that you have?

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