@Richie C. posted:Stan - just following up - with 12 vdc input for the relay, does the fact that FT switches require 5-18 AC volts to operate, enter into the equation ?
Or is the 18 ACV from the track sufficient to operate the switch while the relay just "relays" to the switch what to do ?
Riche, my understanding is that what a momentary relay does for a FasTrack switch's operation, electrically speaking, is to make a momentary current limited "short" between the black wire common (outer rail) and either the red or green wire, the same thing the supplied Remote Control momentary toggle does and similar to what activates the anti-derailing feature.
The FT switch would still need ~18VAC to operate as usual. The Relay 12VDC would need to be supplied/derived separately from the power feeding the Switch.
The way a basic relay works is, within it there's a electromagnetically operated solenoid that when activated, makes a switched electrical control. This switching circuit is electrically isolated and independent from the power source used to activate the coil in the relay.
@stan2004, is this correct?
