Hypertherm Powermax30 AIR Rev.0 Service manual - Manuel (Page 223)

Powermax30 AIR Manuel de service 808852 223
9 – Schémas de câblage
Chronogramme pour démarrage de la torche
Idle
Compressor
pressurizes
(350 ms)
Gas
solenoid opens
(15 ms)
Inverter on
until pilot arc
established
Transfer
(when work lead
current > 0.4 A)
Cutting
(steady state)
Torch
trigger released Idle
Start signal (torch trigger) ON/OFF
(control board Start LED ON/OFF)
Internal compressor ON/OFF
Pilot arc IGBT ON/OFF
Gas solenoid ON/OFF
Inverter output ON/OFF
Control board Transfer LED ON/OFF
(system is cutting)
Postflow
(5–20 seconds)
Postflow
(5–20 seconds)
User-set current Pilot arc current = 15 A
Transfer threshold: 1.6 A