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17-01-2020 #1
Cheers for the heads-up on the Puruvesi gear, looks interesting & powerful, I await your test results with interest. It might be a minor point but I do like their use of the plug-in connectors; with some of the mating options that people like Phoenix contact offer, there's the possibility of doing some nifty and time-saving stuff.
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18-01-2020 #2
Yes, it's got a lot of potentials and it's proven in another Fadal machine so I'm very tempted to give it a try. However, I do like the Absolute Servo option so I'm leaning more towards this route.
Also to be fair I've got to compare it with Linux CNC in some ways because Mesa cards are very good quality and very well supported. And while I've never used either of them both are a learning curve in both hardware and software. Software support will be a little quicker but I'm in no rush so that's not too important for this Job. Costs, on the other hand, have to be considered and Linux CNC is quite a lot cheaper and offers much the same functionality.
Regards the Phoenix contact they look nice but expensive. Not too impressed with the web site, don't see the point in having a shop if you don't show prices.! Usually, a sign they are too expensive.!
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18-01-2020 #3
Phoenix seem to sell pretty well all their stuff through distribution, which might explain the lack of pricing. They are more expensive than the Oriental clones, but they also do some useful and time saving variants I've not seen from China such as IDC & spring clamp plugs and "reversed" PCB mounting plugs that enable you to piggyback a PCB onto the header - greater for sorting out signals and transferring them to a more useful connector. Forgive the suggestions but having just spent too long wiring up my control box it occurred to me that if you were making a number of machines with more or less similar control systems there had to be a slightly better way than point to point wiring with screw terminals.
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18-01-2020 #4
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18-01-2020 #5
Phoenix are one of the big connector suppliers, in the same market as Molex and Amp, who sell most things through distributors, although I don't think they target the big OEM market in the way that Molex and Amp do.
Dynomotion use Phoenix pluggable screw connectors on their add-on boards, as they're a reasonably common connector that can handle the currents needed for most connections. They also use a dual connection connector, that can be fitted so the wiring is either parallel, or perpendicular to the board. It's a useful feature when space is tight.
However, it's also an additional point of failure. If you put too much pressure on the terminals, it can cause the contacts to open up. I had an intermittent issue with a bank of inputs on a Konnect IO expansion board, and it turned out I'd put to much pressure on the common wire during installation, which had caused the contacts to open up and be intermittent.
Direct screw terminals vs pluggable connectors is a perennial debate, but there are pros and cons to both.Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
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18-01-2020 #6
I had the same thing happen to me. Took me 3 days to find the fault.! 10 x 5 router was built and finished and on test, it had been cutting air for 5 hours then it E-stoped. Happened at the same point in code every time.? Turned out to be a connection on the gantry that opened up due to wire pressure and because the Cslabs controller is so sensitive it picked up the loose connection at that exact resonant frequency. Pulled my last follicle of hair out and Virtually re-wired the whole machine.!!
I only use Direct screw terminals now.!
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14-02-2020 #7
Ok well, it's decided I'm going with the Newker New18Mi Bus type Controller with 2Kw absolute Motors and drives.
It's a bit of an unknown using this controller and the Bus type controller but I've read the manual cover to cover a good few times and Newker has been helpful answering my questions quickly with good explanations of few things I wasn't sure about. So decided to give them a shot and the price is excellent, which I won't disclose as I promised them I wouldn't because they have done me a bit of a deal so please don't ask.
If it performs as I hope then it should make for a very nice addition to the machine increasing performance and reliability.
Watch this space.!
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The Following User Says Thank You to JAZZCNC For This Useful Post:
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15-02-2020 #8
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15-02-2020 #9
Drop them a line if you want to know anything. I promised I wouldn't mention pricing and I'm a man of my word so stop asking, please.
http://newker-cnc.com/index.php?m=co...=165&l=3&id=90
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15-02-2020 #10
So what did it cost? ;p
That said, Keen to see a new controller and how it performs. Cant wait ....
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