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Reply to "Hidden Pass Junction RR < >"

SGMret posted:

Alex,  Glad you have resumed posting your enhancements to the layout. I followed your progress during the early stages of construction which I found to be extraordinary and very informative.

Concerning your latest post on using relay modules to control power to remote blocks. Do you use LED's on your control panel to indicate block status and how do you connect them to the toggle switches?

Gerry

Hi Gerry,

I was going to have LED's to indicate the ON/OFF status of the various track blocks, but with LED's already at every turnout to indicate Normal or Reverse position, and toggles at the tracks to turn them (the tracks) ON/OFF, I thought it would be too crowded and perhaps confusing. So I did not use use LED's for this, but instead just look at the position of the toggles: Toggle Up = ON, Toggel Down = OFF, and it works fine. 

To actuate the relays. From the 12vDC supply, I connect all the toggles common contacts to the +12v of the supply, and the -12v goes to one side of the relay coils. The other contact sides of the toggles go to the individual relays. Like this:

Relay Wiring for Track Control

Thx

Alex

NOTE: In the diagram above, I did not show the flyback diodes I normally add across the relay coils. Since the relays are actuated with toggle switches, the diodes may or may not be necessary, but they never hurt. I did show the diodes in the previous relay module diagram, page 11 of this thread.

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  • Relay Wiring for Track Control
Last edited by Ingeniero No1

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