If this is an older Hardinge like a HNC or CHNC this may be a resolver rather 
than an encoder.  

Rayh


On Thu, 2 Aug 2007 23:43:35 -0700 (PDT), "Enhanced Machine Controller (EMC)" 
<emc-users@lists.sourceforge.net> said:
>Hello,
> 
> First let me apologize for this off topic question, but I exhausted all the 
> responses google provided. 
> I have a Hardinge lathe with an unknown encoder mounted to the spindle.  The 
> encoder has 5 sets of wires.  All are twisted pair, one set is wrapped in red 
> foil and is a red wire and a black wire I assume this is the power.  One set 
> is wrapped in green foil, with a green wire and a black wire.  The last three 
> sets are in blue foil, wire colors are; brown/black, blue/black, 
> yellow/black.  I can speculate that the blue foil are the channel where the 
> colored wire is the channel and the black is the inverse. That leaves the 
> rather dubious green foil set of wires.  
> 
> Any ideas, before I wire and hope?
> 
> 

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