Reply to "Design of a $10-20 DCS-TIU Port Tester Tool?"

gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

I have an engine loaded, it can be any engine. If you're in SPEED mode, you can do stuff like STARTUP (does a nice long string), WHISTLE, BELL, etc. You are addressing the engine, but since there's no track or engines connected, obviously it doesn't answer. We're just looking at the outgoing signal strength here.

Didn't you see my video of my testing? This shows you what I'm doing. The extra board on the output of the TIU is my filter for the 'scope, it doesn't affect what the test board is seeing. This test was on variable #1 in fixed mode with a 1033 transformer powering the TIU. Note that the transformer voltage isn't significant as long as it's enough for the TIU to run, it can be anything from around 12 volts and up.

10/15/184:56 PM

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