CandCNC DCP-01, Setup And Installation Manual, Page: 35 / 54

TORCH HEIGHT CONTROL section (continued)
UP & DOWN LED indicators
ARC OK Indicator
Tip Saver ON/OFF [new]. The Tip Saver ON/OFF button and Indicator
LED allows the TIP Saver feature to be disabled. It
’ s used during
setup to get the calibration (Preset Volts) within range and to test to
observe the actual cut gap. Once you have those parameters set and
stored in the Cut Profile it
’ s recommended you turn the Tip Saver back
on to prevent head dives and tip crashes. If you have conditions
where the Tip Saver stays on during a cut it indicates the voltage
settings or cut current is set wrong. Correct the problem and run with
the Tip Saver engaged.
. These two screen LEDS in MACH
show the actual UP and DOWN commands MACH is receiving from
the DTHC Module. As the torch cuts and with the DTHC active, you
will see the UP and DOWN LEDs change. It will tell you at a glance
that MACH is getting the proper signals and coupled with the TIP
VOLTS DRO show you the activity of the DTHC. The UP and DOWN
LED
’ s also function as feedback when the MP3000-DTHC Self Test is
activated. Please see the setup and testing section for more
information. The UP and DOWN signals come into the isolated inputs
in MACH and are on the high speed parallel port. This information is
not carried on the slower serial interface.
. The ARC OK is a intergal part of our cutting
system. It is a signal that tells MACH (and the DTHC module) you
have a fired the torch and it has a valid arc and you are ready to cut. It
also detects the loss of arc and MACH will stop movement BUT not
turn off the torch output signal. THe DTHC can be set to do that
function independant of MACH (see the section on General THC
Settings). If you do not get Arc OK MACH will not release motion and
the DTHC will not start processing data to send UP and DOWN
commands to MACH. Some Plasma units have a signal (normally
“ dry
contacts...which are basicly relay contacts with no connection to the
internal circuit or voltage. On other machines you may have to order
the optional Current Transformer (CT) part # CT-01 kit to get an ARC
OK signal. IT
’ s a REQUIRED SIGNAL.
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