Kemppi HiArc M 400A Operating Manual

EN3.6 trigger logic functionThe HiArc power source is equipped with a crater fill function, which makes your weldingmore efficient and helps you avoid welding defects at the end of the weld sequence.With this function you can use an additional crater fill current level, which can be lower orhigher than your normal welding current level.2t modeMIG 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 flows for preset time.1. 2.1. Pre-gas time2. Post-gas time2t mode and crater fill function• Push the trigger – welding starts after preset pre-gas time.• Release the trigger – values drop to preset crater fill level and welding ends after presettime. Post-gas flows for preset time.1. 2. 3.1. Pre-gas time2. Crater fill time3. Post-gas timeHiArc M 400A, M 500A16