Low Cost Torch Height Control Install and Setup Manual - CandCNC
Low Cost Torch Height Control Install and Setup Manual - CandCNC
Low Cost Torch Height Control Install and Setup Manual - CandCNC
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PC w/MACH3<br />
Grounding practices to reduce noise <strong>and</strong> increase safety<br />
MP3000-DTHC Interface/<strong>Control</strong> Box<br />
Note THC Sensor Card shielded cable<br />
is not connected to any ground in the <strong>Control</strong> box<br />
Do NOT Ground PC or <strong>Control</strong>lers to<br />
Earth Ground Rod. Conrollers will reference themselves<br />
to power ground through their AC lines<br />
<strong>Control</strong>ler Cabinet<br />
MP3000 <strong>and</strong> UBOB have built in isolation on all inputs from the table<br />
to prevent noise transfer <strong>and</strong> ground loops<br />
THC Sensor Card<br />
CNC PLASMA TABLE<br />
Use ground strap to gantry from table<br />
Tabel I/O<br />
Card<br />
(limits, home<br />
Aux relay)<br />
PLASMA<br />
UNIT<br />
Attached to metal<br />
Chassi<br />
#10 to #4 Ga heavy wire<br />
Gantry<br />
Ground Rod or Metal pole<br />
in earth ground<br />
Ground runs should<br />
be less than 10’<br />
Grounding plate<br />
#10 to #4 Ga heavy wire<br />
Page 47
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