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07-05-2014 #1
Hi JAZZCNC
Thanks for the info on this. I am yet to read about the controller in anydetail but it sounds good. I am also glad you say it is not difficult to setupfor a novice. I am still getting to grips with the mill I have, G-code and Ihaven't even started on CAM software!
Thanks
suesi
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01-01-2015 #2
Hello Suesi, im new onto here and ive rushed a bit prematurely into a Denford Microrouter compact. did you get this completed and running reliably? i would be very interested in whatthe outcome was and how much its cost to convert too.
thanks, Paul
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01-01-2015 #3
Hi Paul, just sent you a PM.
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18-03-2015 #4
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05-05-2014 #5
The CS-Lab option is probably the best option. The other options would be KFlop+Kanalog, which is a far more powerful option with a much higher price tag and complexity, or the PLCM controller with it's own BOB, but I'm not sure on how much support they are actually providing.
I've just had a quick scan through the wiring diagrams, and going by the Next-Step connection diagram (sheet 3 in the previous link), the machine should have the followingn connections-
Digital Inputs
X Datum
Y Datum
Z Datum (you need to double check what kind of datum switches are being used, as they may not be basic switches)
E-Stop circuit
Guard Contact
Analogue Inputs
Feedrate pot (might not be fitted, but denford still show full options in thier diagrams)
Digital Outputs
SGR relay (Spindle Guard Relay - when machine is active, I think this should be non-powered to lock the door and allow the spindle to start)
Stepper outputs (the Next-step has onboard drivers, so you'll need to allow for 3 x step/dir pairs and an enable signal)
Analogue Outputs
Spindle Speed
A few key points I've noticed-
You'll need a 24VDC supply. CS stuff should happily run using a 24VDC din rail switched mode supply (I personally use RS ones, but others are available!)
The existing steppers are designed to run from rectified 24V AC via the next-step on board rectifier, so you'll need an external bridge rectifier and suitable capacitor to supply whatever drives you buy.
The Z-axis stepper has a brake, which is supplied from a half-bridge rectifier setup when the estop circuit is active, so make sure you don't disconnect any part of that circuit.
The timer seems to be used to hold the guard locked for a period after the SGR relay has been de-activated.
The SGR is a 12V relay, being powered from the 12V output of the Next-Step board. You'll need to check to see if the SGR relay will work on 24V (doubtful!) and if not, either swap it for a 24V version, or add a 12VDC power supply.Last edited by m_c; 05-05-2014 at 11:45 AM.
Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
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