Kemppi HiArc M 400A - Trigger Logic Function

EN
3.6 Trigger logic function
The HiArc power source is equipped with a crater ll function, which makes your welding
more ecient and helps you avoid welding defects at the end of the weld sequence.
With this function you can use an additional crater ll current level, which can be lower or
higher than your normal welding current level.
2T mode
MIG welding with 2T mode of the gun trigger.
• Push the trigger – welding starts after preset pre-gas time.
• Release the trigger – welding ends. Post-gas ows for preset time.
1. 2.
1. Pre-gas time
2. Post-gas time
2T mode and crater ll function
• Push the trigger – welding starts after preset pre-gas time.
• Release the trigger – values drop to preset crater ll level and welding ends after preset
time. Post-gas ows for preset time.
1. 2. 3.
1. Pre-gas time
2. Crater ll time
3. Post-gas time
HiArc M 400A, M 500A
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