Hypertherm Powermax65 SYNC - Timing Chart for Torch Start

System Diagrams
8
Powermax65/85/105 SYNC Troubleshooting Guide 810430 179
Timing chart for torch start
Idle
Gas
solenoid opens
Inverter on and
pilot arc established
Transfer
(when work lead
current ≥ 1.6 A)
Cutting
(steady state)
Start signal OFF/
Torch trigger released Idle
Start signal/torch trigger ON/OFF
icon ON/OFF on status screen
Pilot arc IGBT ON/OFF
Gas solenoid ON/OFF
Inverter output
Transfer relay ON/OFF
icon ON/OFF on status screen
Postflow
User set current
Pilot arc current