INSTALLATION & OPERATION MANUAL
15 | P a g e w w w . n t e n g i n e e r s . i n
MAIN THC SIGNALS
I/O Connector – DB15 Female
All signals to and from the CNC are connected to the DB15 Female connector on
the MAIN THC Unit.
Inputs from CNC
CMC-Common
CNC-Start Signal
CNC-Corner Signal
CNC-Up Signal
CNC-Down Signal
CNC-COMMON can be set as + or – by setting the jumpers inside the main THC Unit. The 4 CNC
signals CNC-CUT, CNC-CORNER, CNC-UP, CNC-DOWN are used with CNC-COMMON input. Default
setting of CNC-COMMON is +, so the 4 signals are operational when –24V is supplied to each one of
them.
[All above inputs are isolated and are driven using 24v (+ or -) signals from CNC]
To change the CNC-COMMON from + to – please set the jumpers inside the THC box as given
below
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