Fimer TM 236, Instruction Manual

Page: 49 / 168

13
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ALIANO
Double short: Used to activate (ON) or
deactivate (OFF) the mode at two levels, in
other words the continual switching between
two different levels of welding current
L1 span: When the two level mode is active
this function is used to set the duration of the
first current level.
L2 span : When the two level mode is active
this function is used to set the duration of the
first current level.
L2 amplitude: When the two level mode is
active this function is used to set the second
current level (L2) compared to the current set
(level L1)
L2 voltage: When the two level mode is
active this function is used to modify the
voltage of the second level (L2)
independently of the voltage of the L1 level
(arc length parameter)
2t-4t-4bilevel: Used to set the operating
mode to 2 times or 4 times.
2t: In 2 time operating mode the machine
welds for the entire time the torch button is
held down.
4t: In 4 time operating mode pressing the
torch button once starts the weld and
pressing it a second time ends the weld.
4bi: This operation is similar to the 4t mode
with the only difference that pressing the
torch button for short periods (< 1s) during
welding causes the passage of the current
from the first level I1 to the second level I2;
holding the button down (> 1s) causes the
start of the end of the weld.
2nd level: used to set the value of the
current relative to the second power level,
active when the value of the 2t-4t-4bilevel
parameter is set to 4bi.
Start/End level: Used to activate (ON) or
deactivate (OFF) the mode with the initial
and final current.
Start level: Used to set the initial value as a
percentage of the welding current (e.g. 130%
implies Is=1,30xI1)
Start level time: Used in 2t mode to set the
time the initial current ls is applied
Ls->l1 slope: Used to set the duration of the
current ramp from the initial level Is to the
welding current I1.
L1->le slope: Used to set the duration of the
current ramp from the welding current I1 to
the final level Ie.
End level: Used to set the final current as a
percentage of the welding current (e.g. 80%
implies If=0.80xI1)
End level time: Used in 2t mode to set the
time of application of the final current If
Spot welding: Used to set (if other than 0)
the maximum duration of the weld.
Pause: Used to set (if other than 0) the
duration of the pause between two
successive spot welds.
Pre-gas time: Used to set the time for
delivery of gas before striking the electric arc.
Post-gas time: Used to set the time of gas
delivery after the welding current has
stopped.
Burnback: Used to vary the burnback time
of the wire at the end of the weld.
Soft start: Used to modify the speed at
which the wire approaches in order to obtain
a soft arc ignition; high values correspond to
low approach speeds.
Hot start: Used to set the ignition current in
order to obtain a soft ignition; generally used
together with the Soft-start parameter.
Water pump: Used to switch on (ON) or
switch off (OFF) the water pump unit if
present.