Advice THCAD

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23 May 2020 02:53 - 23 May 2020 02:53 #168638 by PCW
Replied by PCW on topic Advice THCAD
Yes we are shipping but unfortunately international shipments are not very reliable now
we have had shipments that normally take a week, take six weeks...
Last edit: 23 May 2020 02:53 by PCW.

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25 May 2020 20:10 #168900 by aleksamc
Replied by aleksamc on topic Advice THCAD
I found schematic for manual plazma. I have another plazma but, I think they are similar.

To what output diod I need to connect THCAD inputs?
Does it should be E18 - E19 (page 2)?
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25 May 2020 20:45 #168905 by tommylight
Replied by tommylight on topic Advice THCAD

aleksamc wrote: To what output diod I need to connect THCAD inputs?
Does it should be E18 - E19 (page 2)?

Yes.
Do add a resistor or fuse to each wire.
Small resistors should do just fine, they do not impact the voltage readings much and they will burn easily if there is a short in the wires, so mount them at least 3cm far from everything in mid air.

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27 May 2020 13:12 #169129 by aleksamc
Replied by aleksamc on topic Advice THCAD
Thank for advice tommylight. I think 3A will be anough.
And if they will burn, how system will behave? Does all will turn off with error?

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27 May 2020 14:58 #169132 by tommylight
Replied by tommylight on topic Advice THCAD

aleksamc wrote: Thank for advice tommylight. I think 3A will be anough.
And if they will burn, how system will behave? Does all will turn off with error?

3A is to much, anything from 100mA to 1A is better for safety.
they will burn only if the wires going to THCAD come it touch with the metal machine frame or some other mishap.
System will not shut down, it just will not show torch voltage in case those fuses or resistors are blown.
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