Thermal Arc 180 AC, Руководство пользователя

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Notice NOT 034
THERMAL ARC 180 AC/DC
Rev : 00
Date : 03/12/02
USING
USER’S MANUAL
Page
2 3/36
The value can be read on the display F5 .
When the potentiometer is at the minimum, the current is 3A, and at the maximum, it is high pulse
current value.
The low current is pre-adjusted at 30A.
Release the key when your setting is finished.
Z
Adjustment of the frequency
The frequency is the number of pulses per second. F
pulse
=1/(t
h
+ t
b
) in Hz
When F26 OFF and F27 ON, press the setting key F16 and adjust the frequency with the
potentiometer F9 .
The value (in Hz) can be read on the display F5 .
When the potentiometer is at the minimum, the frequency is 0.2 Hz, and at the maximum, the
frequency is 99.9 Hz
The frequency is pre-adjusted at 20 Hz.
Release the key when your setting is finished.
[
Cycle ratio
The cycle ratio is the ratio between the time of high current (warm time - t
h
) and the total time (t
h
+ t
b
) of
the pulse (in %)
i.e R = t
h
/ (t
h
+ t
b
).
When F26 OFF and F27 ON, press the setting key F17 , adjust the cycle ratio with the potentiometer
F9 .
The value (in %) can be read on the display F5 .
When the potentiometer is at the minimum, the ratio is of 20%, and when it is at the maximum, it is of
80%.
The ratio pre-adjusted is 50%
Release the key when your setting is finished.
For welding, see indications in chapter 12 .
NOTE
When welding, you can read alternately, on the display F5, values of high and low current.
Only the value of high current can be adjusted with remote control.
14. AC CURRENT TIG WELDING
X
Select of « TIG AC current » welding mode
-
Select « TIG welding » with the setting key F14 , the indicator F24 illuminates.
- Press 2 times the setting key F15 in order to select « AC current », the indicator F26 illuminates
(indicator F27 OFF).
Y
Set « AC current » parameters