30
MA_QN_MP
Configuration operating panel
3.3.2 MHW 405 TQ
This is used to set one of the following parameters for the additional torch
buttons.
Function
Description
Setting pa-
rameters
The "Power", "Fine" (arc length), "Dynamic" and "Job" pa-
rameters can be released and varied during the welding
process using the torch button.
Except for the "Job" parameter, the interval and step
size can be adjusted on the operating panel. If the "Job"
parameter is selected, the step size is automatically set
to 1.
Interval
Using this function, you set the speed of the parameter
change released by the torch button. The adjustment is
between 1 … 10. The correction value is 100 ms each.
Step width
Using this function, you set the size of the parameter
change released by the torch button. The adjustment
is between 1 … 20. The correction value is 0.1 m/min
each for the "Power" and 1 % each for the "Fine" and
"Dynamic" parameters.
3.3.3 Cooling water pump
Function
Description
Automatic
Depending on the thermal load, the calculator of the
welding power source controls the running time of the
cooling pump and the fan.
On
As soon as the main switch of the welding power source
is switched on, the cooling pump and the fan start their
continuous operation.
The pump and the fan only turn off if the welding
power source is switched off.
Off
The pump is switched off.
