I have picked up a DCS and TIU this year and also have a few accessories on the way (gateman and package station). However, my transformer does not have an accessories voltage tap. My two thoughts on the accessory voltage is
1. Run the track in conventional/dcs to lower voltage to 14VAC. I do not run the train that fast anyways, so probably ok. I also have several taps, so no worries on voltage drop on the far side of the track.
or
2. Operate a second port on the TIU with the conventional mode for 14VAC and run power to the accessories from this.
Any warnings or thoughts on either of these? If these are bad, is there a low cost transformer for accessories that is recommended?
Bill