Jon Elson wrote:
> Apologies in advance for an off-topic post, but I'm looking for 
> a good connector for a range of CNC control box systems.
> 
> The AMP/Tyco CPC line is REALLY close, but....  What I'm looking 
> for is a low-cost connector like that, but with 4 power contacts 
> and at least 15 signal contacts.  The power contacts should be 
> rated to 20 A.  The closest in AMP's CPC line is the 23-16M, but 
> it only has 12 signal contacts.  I need 6 for encoder ABZ and 
> complement, 2 for encoder power, 3 for motor commutation, and 4 
> for limit and sense switches, that adds up to 15.  A couple 
> extra pins would be good for whatever else, like putting a motor
> temp sensor in the E-stop loop or whatever.  AMP's CPC has no 
> such connector.  Souriau has some similar connectors in their 
> "trim trio" line, but again, nothing with 4 20 A contacts mixed 
> with enough signal ones.  The military metal connector series
> like 97-series 28-11 has the contact arrangement, but when you 
> add up shell, insert, strain relief and contacts, you are 
> looking at close to $50 per connector end!
> 
> So, does anyone know of an alternative, low-cost connector that
> has what I'm looking for?
> 
> Thanks,
> 

Unfortunately I don't have any connector suggestions.  But I do have an 
observation:  Every AC servo motor I have ever seen uses two connectors 
and two cables - they do NOT put the noise sensitive encoder signals in 
the same bundle as the noise emitting motor power leads.

Regards,

John Kasunich

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