System Presentation; General; Front Control Panel - voestalpine Bohler TERRA 320 SMC Instrucciones De Uso

3 SYSTEM PRESENTATION

3.1 General

The TERRA 320 SMC Classic, Smart, are constant current invert-
er power sources developed for electrode (MMA), MIG/MAG.
They are fully digital multiprocessor systems (data processing on
DSP and communication over CAN-BUS), capable of meeting
the various requirements of the welding world in the best pos-
sible way.

3.2 Front control panel

TERRA 320 Classic
TERRA 320 Smart
1 VRD Voltage Reduction Device
Shows that the no-load voltage of the equipment is
controlled.
2 General alarm
Indicates the possible intervention of protection devices
such as the temperature protection.
3 Power on
Indicates the presence of voltage on the equipment
outlet connections.
4 7-segment display
Allows the general welding machine parameters to be
displayed during start-up, settings, current and voltage
readings, while welding, and encoding of the alarms.
5 Main adjustment handle
Allows the welding (MMA) current to be continuously
adjusted.
Allows entry to set up, the selection and the setting of
the welding parameters.
Allows continuous adjustment of the wire feed speed.
Allows the regulation of the welding current.
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6 Main adjustment handle
Allows the regulation of the arc voltage.
Allows regulation of the arc length during welding.
Manual MIG/MAG
High voltage = long arc
Low voltage = short arc
Minimum 5V, Maximum 55.5V
Synergic MIG/MAG
Minimum -5.0, Maximum +5.0, Default syn
7 Welding process
Allows the selection of the welding procedure.
Electrode welding (MMA)
2 Step
In two step, pressing the button causes the gas to flow,
feeds voltage to the wire and makes it advance; when
it is released, the gas, the voltage and the wire feed are
turned off.
4 Step
In four step first pressure on the button causes the gas
to flow with a manual pre-gas time; releasing it activates
the voltage to the wire and its feed.
The following pressure on the button stops the wire and
causes the final process to start which brings the current back
to zero; finally releasing the button turns off the gas flow.
8 Synergy (TERRA...Smart)
Allows selection of the manual MIG
process by setting the type of material to be welded.
Manual MIG/MAG process.
Synergic MIG/MAG process, welding of carbon steel.
Synergic MIG/MAG process, welding of stainless steel.
Synergic MIG/MAG process, welding of aluminium.
Synergic MIG/MAG process, welding of flux-core wire.
9 Wire diameter (TERRA...Smart)
In synergy, allows selection of the wire diameter used
(mm).
10 Wire feed
Allows the manual wire feed without gas flow and with-
out the wire live.
Allows the insertion of the wire into the torch sheath
during the welding preparation phases.
11 Gas test button
Allows the gas circuit to be cleansed of impurities and
the carrying out of the appropriate preliminary gas pres-
sure and flow adjustments, without power on.
12 Inductance
Allows electronic regulation of the series inductance of
the welding circuit.
Low inductance = reactive arc (more spatter).
High inductance = less reactive arc (less spatter).
Minimum -30, Maximum +30, Default syn
or synergic MIG