Mesa 7i96s torch on/off connection

PCW
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22 Oct 2024 16:44 #312879 by PCW

Replied by PCW on topic Mesa 7i96s torch on/off connection

Looks like HF start so can start in air, but brings a horror show of EMI issues.

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tommylight
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22 Oct 2024 16:49 #312880 by tommylight

Replied by tommylight on topic Mesa 7i96s torch on/off connection

They are the same, look the same, the only thing missing is the "pilot" terminal in lower front.
Also, chinese specifications do not help, they are a total mess usually.

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ric812
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23 Oct 2024 15:19 #312977 by ric812

Replied by ric812 on topic Mesa 7i96s torch on/off connection

I will have to look again. But either way I just need a pinout for the Torch ON/OFF on the mesa board.

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PCW
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23 Oct 2024 15:41 #312980 by PCW

Replied by PCW on topic Mesa 7i96s torch on/off connection

How its connected depends on what the 7I96S is driving.

If the 7I96S is driving a relay with less than 100 mA of current
I would use 7I96S OUT5. Also a relay needs a flyback diode.
This may be included in the torch control switch wiring in
the plasma source.

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ric812
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24 Oct 2024 14:58 #313094 by ric812

Replied by ric812 on topic Mesa 7i96s torch on/off connection

Thank you

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