Control Knob; Control Unit - Migatronic PI 350 DC Manual De Instrucciones

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Control knob

All parameters are set by the use of only
one control knob. These parameters include
current, pulse time, slope-up time, etc.
This control knob is positioned in the right
side of the control panel. The digital display shows the
value of the parameter being set. The unit of
measurement of the parameter is shown on the right
side of the digital display.
A parameter can be selected by means of the relative
keypad in the relevant section. A bright indication light
indicates the parameter selected. The control knob is
then used for setting a new value.
Storage of parameters - programs
This function enables storage of programs
(often used machine settings) and shift from
one complete program to another. By pressing the
keypad the display shows a "P" and a number: "1", "2"
etc. Each number includes a program with all
parameters and functions of the machine. It is
therefore possible to have one program for each
welding job for which the machine is used.
It is possible to store 64 settings in each welding
process (MMA DC and TIG DC) = 128 program
settings.
Each program can be selected by:
1. Choose between MMA or TIG.
2. Finally, select program number (P01...P64). The
control knob can be used for shifting between the
programs when the key pad is kept pressed down
The latest used program setting in the relevant
program group (MMA DC and TIG DC) will be shown
when the program key pad is selected.

CONTROL UNIT

Reset of welding programs
Select the program that needs to be reset to factory
settings. Then keep the
10 secs without turning the encoder.
The program has been reset when the current
program number is flashing on and off in the display
and the
Welding current/Arc voltage
The key pad can be used to display the
welding current.
Adjustable from 5A to 350A or 500A depending on the
machine model. After the welding process has
stopped, the adjusted current is shown on the display.
During welding, however, the actual welding current is
shown. During pulse welding an average welding
current is automatically shown when shifting between
welding current and base current becomes faster than
possible viewing.
Press the key for 3 seconds to display the arc voltage.
Press again "A" to display the welding
reasons of safety and in order to show if there is
voltage at the output taps.
welding is interrupted due to overheating of the
machine.
mains voltage is more than 15% lower than the rated
voltage.
of wrong type of torch, or if a torch has not been
connected. If a flow control kit has been selected, the
cooling fault may indicate problems in the cooling unit.
Check that the cooling hoses are correctly connected,
top up the water tank and check welding hose and
branches.
The error code can be reset by pressing the MMA-key
pad.
22
-key pad pressed for
-key pad can then be released again.
Units for parameters
Units of measurement of the selected
parameter.
Welding voltage indicator
The welding voltage indicator is illuminated for
Overheating error indicator
The overheating indicator is illuminated if
Mains error indicator
The mains error indicator is illuminated if the
Cooling fault
Cooling fault is shown in case of connection
current.

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Pi 500 dc

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