- Need Help!- Powermax 45 connection to Chinese Plasma with THC
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Re: Powermax 45 connection to Chinese Plasma with THC
The connections for the plasma start signal to pins 3 and 4 of the CPC port are correct.
The wiring change they suggest for the arc voltage connections is not correct, and in fact is dangerous. The existing divided arc voltage connections on pins 5 and 6 are designed to be safe and meet international safety standards with DC voltage present at a maximum of 16 volts DC. Their suggestions brings as much as 300 Volts DC to these exposed connector pins, so I suggest that you do not wire the system as they say.
Attached is the document that shows how to make the Raw Arc Voltage connections on the main circuit board inside the Powermax45 ( I assume it is a Powermax45, not a Powermax45 XP, which is different!). Your supplier suggests running this raw arc voltage through pins 5 and 6, I suggest that you wire from the terminals listed in this document directly to the Voltage divider module that is part of your machine, use wiring rated for at least 300 volts DC and be sure you get the polarity correct!
Best regards, Jim Colt Hypertherm . If you have further questions feel free to email me direct at jim.colt@hypertherm.com
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Re: Powermax 45 connection to Chinese Plasma with THC
Hi Jim,
Thank you for the clarification on this matter. One last small question. Do i leave the wire 5 and 6 plugged in to the board that comes from the cpc connector or do i need to disconnect these from the board once i make the connections as per the pdf you have sent?
Thank you once again.
- Need Help!- Powermax 45 connection to Chinese Plasma with THC
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