Front panel
Fig. 6-3-1: Front panel
1.“Amp/Volt” displayer
When display mode switch indicates to “Amp”:
LCD displays preset current value, min. current is 20A;
LCD displays real welding current during working.
When display mode switch indicates to “Volt”, LCD displays voltage between output terminals of welding machine.
2.Protection indicator
Welding machine will automatically stop working when it is overheat, and the indicator will light up.
3. “Remote control/ Panel control” switch
When it is on “Panel control”, you can adjust welding current, arc force current by the knobs on the machine control
panel; when it is on “Remote control’, you can adjust the above parameters through remote controller in an
extended distance from the welding areas.
4.“Amp/Volt” displayer mode selection switch
5.“Welding current” regulation knob
It is used to adjust welding current on panel control mode.
Preset proper welding current according to work piece thickness, groove shapes, welding position, wire diameter,
etc. Welding current decides welding seam depth and wire molten rates.
6.Remote control socket
It is used to connect to the wire remote controller with remote control cable, then user can adjust welding current,
arc force current on “Remote control” mode. It is convenient to realize welding control in extended distance.
7.Start current
regulation knob
It is used to adjust arc starting current under SMAW mode.
Before start arc, work piece is on cold state, increase arc start current so as to improve heat input, which makes
the arc start easier.
8.“Arc force current” regulation knob
It is used to adjust arc force current on panel control mode.
When welding, short circuit between wire and work piece may occur because of operation or droplet transfer. In
order to avoid short circuit or wire stick, when arc voltage is low, increase current to shorten the droplet transfer
time.
9.Positive output terminal (+)
- when use ordinary electrodes, it is used to connect with electrode holder via welding cable;
- when use cellulose electrode (E6010/E7010), it is used to connect with work piece via ground cable;
10.Negative output terminal (-)
- when use ordinary electrodes, it is used to connect with work piece via ground cable;
- when use cellulose electrode (E6010/E7010), it is used to connect with electrode holder via welding cable;
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Inverter DC ar c We lding M a chine
ARC400
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