[ts-7000] Tri-state switch to DIO

[Yan Seiner <>]

I have a "smart relay" that's controlled by a tri-state switch.  The 
switch has a power lead and one wire out of it that works like this:

State 1: 12V nominal
State 2: floating (not connected)
State 3: ground

I need to detect the state of this switch with my TS7200.  How do I 
translate this into 2 (or 3, I have inputs to spare) bits for a TS7200 
DIO header?

Thanks.

--Yan



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