Thermal Dynamics Cutmaster 60I

With the help of Thermal Dynamics Tech support (Ana & Gene) over the past few days I have a working system. The 60i(X) is a very capable machine and with a simple wiring modification works very well on the Crossfire XR table. The 60i has a live voltage at the torch tip of 10-15 volts until the trigger is activated…this is for the pilot arc. This is normal and not a malfunction in this plasma cutter. Fire Control/THC is seeing this live voltage and it causes a delay in firing the torch when the program is started resulting in a fault which stops the program and reports it as an error. The work around I’ve figured out will only work with the Automation Interface card installed in the 60i(which basically makes it a 60iX). It has an “OK to Move” relay in it that tells the torch circuit it’s OK to fire and move. The plug going in to the J1 outlet(14 pin I/O port on the Automation Interface card) is where the wiring modification is done. Pins 3 & 4 are torch trigger, pins 5 & 6 are divided voltage and pins 12 & 14 are “OK to Move” relay. To make the 60iX work right with the THC, Pin 5(DV-) is connected to pin 12 and pin 14 is connected to the VIM DV- input. This disconnects the live voltage to the THC until the torch is triggered by Fire Control. However, This solution DOES NOT work if using raw voltage to the VIM. The “OK to Move” relay is only rated for 30 volt ac/dc 1 amp MAX. I will draw a schematic up and post it later but I don’t have it done yet to add here now.

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