Latched Operation - EWM WEGA 351 Operating Instructions Manual

5.2.3

Latched operation

Step 1
• Press and hold torch trigger.
• Shielding gas is expelled (gas pre-flows).
• Wire feed motor runs at "creep speed".
In machines with control M2.40, the torch trigger can be released and step 2 begins. Cancel option: Press
the torch trigger again and release.
• Arc ignites when the wire electrode makes contact with the workpiece; welding current flows.
• Changeover to the pre-selected wire speed after the set ignition time (tZn).
Step 2
• Release torch trigger (no effect).
Step 3
• Press torch trigger (no effect).
Step 4
• Release torch trigger.
• WF motor stops.
• Arc is extinguished after the pre-selected wire burn-back time elapses.
• Gas post-flow time elapses.
Item No.: 099-004934-EWM01
Functional characteristics
MIG/MAG functional sequences / operating modes
Figure 5-12
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