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Ok  should I run my power supply to the tiu directly or the track as I have it currently

To the WTIU- per the instructions.

The new WTIU comes with a small power supply to power the WTIU logic. You connect your track power transformer to the variable input so that the WTIU variable channel can modify the output voltage via DCS commands.

The fundamental naming convention of the WTIU channels is:

Fixed- meaning the channel cannot modify or manipulate the voltage input vs output. The name is from what the channel can do

Variable- meaning the channel has additional circuitry and function and can vary the power from input to output to allow for variable output from a fixed voltage input. Again, the variable channel can vary the power- hence the name.

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Last edited by Vernon Barry

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