B-8
OPERATION
B-8
FLEXTEC™ 450
BASIC MODES OF OPERATION
SMAW
This weld mode is a constant current (CC) mode fea-
turing continuous control from 15 – 500 amps. It is
intended for the SMAW stick welding processes and
arc gouging.
Hot Start -
The Hot Start control regulates the starting
current at arc initiation. Hot Start can be set to
“Off”
and no additional current is added at arc start. When
set to the
“On”
position, additional current (relative to
the preset current) at arc initiation.
Arc Control -
The Arc Control regulates the Arc Force
to adjust the short circuit current. The minimum setting
(-10) will produce a "soft" arc and will produce minimal
spatter. The maximum setting (+10) will produce a
"crisp" arc and will minimize electrode sticking.
Weld Terminals On/Remote –
Set to
“On”
so the
machine is in the ready to weld state.
Voltage Display Meter –
This display will display
three dashed lines when the machine is in the idle
state. This indicates that voltage is not settable in this
weld mode. While output is enabled, the actual weld-
ing voltage is displayed. After welding, the meter
holds the actual voltage value for 5 seconds. Output
adjustment while in the "hold" period results in the
"prior to operation" characteristics. The displays blink
indicating that the machine is in the "hold" period.
Amperage Display Meter –
This display will display
the pre-set welding current when the machine is in the
idle state. While output is enabled, the actual weld
amperage is displayed. After welding, the meter holds
the actual amperage value for 5 seconds. Output
adjustment while in the "hold" period results in the
"prior to operation" characteristics. The displays blink
indicating that the machine is in the "Hold" period.
Output Control Local/Remote –
When the control is
set to local (no remote potentiometer/control plugged
into the
6-pin
or
14-pin
connectors), the output is con-
trolled through the Output Control Dial on the front of
the Flextec™ 450. Set this switch to
“REMOTE”
when an external potentiometer/control is connected.
• When a remote potentiometer is connected, the out-
put control on the Flextec™ 450 and the remote act
as a master/slave configuration. Use the control
dial on the Flextec™ 450 to pre-set the maximum
welding current. The remote will control output from
minimum to the pre-set maximum.
Output Control Dial
• When the Local/Remote is set to
Local
, this dial
sets the welding amperage.
• When the Local/Remote is set to
Remote
, this dial
sets the maximum welding amperage. The remote
potentiometer than controls the amperage from min-
imum to this pre-set maximum.
Содержание FLEXTEC 450
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