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MASSO
MASSO Documentation
Check that as each output on the THC signal is sent the corresponding input on MASSO changes
from Low to High
If all inputs show the correct signals on the F1 screen your setup is correct. If not please check your
wiring and retest.
Additional testing
While looking at the F1 screen trigger the Plasma torch and strike an arc. Make sure you see the Arc
Ok input change from Low to High. Please note that you may need to adjust voltage setting within the
THC to get the Arc Ok signal on the THC. Your THC should have a light for each signal and if you are
wired and setup correctly you should see the Arc light turn on at the THC and the Arc Ok input will go
high on MASSO.
Testing the Masso THC function
Put your THC into Test mode
Go to the F2 Screen and press the Plasma on button.
Within 15 seconds the THC must send an Arc ok Signal. For the Proma this is continually sent in test
mode. On other THC units you may have to manually select and send the required test signal.
The signal does not need to be continuous. Once it is received it is not needed again until the
plasma is turned on again.
On receipt of the Arc Ok signal the Plasma on light will immediately turn yellow and there will be no
alarm indication.
Click on the THC button on the screen to turn on the THC
Send an up signal from the THC and the torch will rise
Send a down signal and the torch will descend.
INFORMATION: On the Proma test function it sends the Arc ok signal continuously and alternate
up and down signals automatically switching between Up & Down every second. On other THC
units you may have to manually select and send the required test signal.
INFORMATION: If the above tests are successful the THC is correctly wired to MASSO and
MASSO is configured right. Please be aware that your Gcode and THC settings will have an effect
on how well the setup will work.
INFORMATION: If while cutting you find that the torch head bounces up and down in an
uncontrolled manner you may need to adjust the THC voltage settings or slow down the Z axis
feedrate specified in the M667 command. Eg M667 F150
v5.18 - 08 Apr,2021
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