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I'm looking into purchasing the Lionel LCS ASC2 6-81639 and after reading the manual am looking for some clarification on how to properly power this and the accessories I'm planning on attaching to it.

First of all I know that I need a LCS DB-9 Cable with Power Supply 6-81499 to attach it to my Legacy system. On page 6 it clearly states "Power for each LCS device is supplied through the single LCS data cable."

Second, in the manual on page 14 it shows connecting the ASC2 to a accessory transformer. It clearly states "Your ASC2 requires an external power source to operate its 8 internal relays. This must be supplied from a separate accessory transformer and is required for both Accessory or Switch configuration of your ASC2."

Third, I see on page 20 that it shows connecting it to another accessory transformer. it shows "To connect a basic on/off accessory or light to your ASC2: 1. Attach one wire to the Power/A terminal on your power supply and connect it to the COMM terminal of the ASC2. 2. Attach another wire to the Common/Ground/U terminal on the power supply and connect to an accessory power terminal. 3. Attach a final wire to the remaining accessory power terminal and connect it to a numbered terminal on the ASC2."

So my question here is do I need to power this with 3 different power supplies, the wall wart and 2 accessories transformers? If that is the case so be it, but I feel that this is a little over kill and I'm afraid of over powering this thing and burning it out. Any insight into this is much appreciated.

LCS ASC2

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The wall wart powers the logic of the ASC2. The A and U terminals (the two sets of them must be connected together) to power for the relays. And a third power source (or the same source as the A and U if you keep your comms sorted) will power the accessories at the contacts of the relays.


 

Hello, I am writing about a slightly different situation.  I have a  Lionel ASC2   6-81639  which I have configured in switch mode.  The LCS also has a Sensor Track and a Wifi.  When I turn off the Lionel Legacy 990 Controller and the MRC dual transformer which I have both on a switched outlet, sometimes the ASC2 remembers the switch configuration, but about one out of four times the configuration is lost.  I have to re enter the SW 1 SET AWK1. Or use the Lionel LCS iPad app. Either way the configuration is lost.  Any help would be greatly appreciated  

 

 

@idaband posted:

I know this is a super old post but I had a similar question.

I have 4 switches.  These are the modern fastrack style.

I will be communicating with the asc2 from a new base 3.

Can I use power off my track to power the asc2?  Or yet another wall wort with dedicated 16vac for this little asc2 unit?

I wouldn't recommend it. Track power being 18V.   The manual states a 12V-14V accessory AC supply.  I have a 12V AC wall wart for mine. 

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