Tweco VAF4HD Transmig - Manual (Page 27)

TRANSMIG VAF4HD
Manual 0-5269 3-9 INSTALLATION, OPERATION AND SETUP
3.08 Advanced Features Mode
Enter Advanced Features Mode by pressing both the left knob and right knob at the same time for more than 1.2
seconds.
NOTE
In Advanced Features Mode the Trigger Mode Control Button, SCH 1-SCH 2 button is inactive.
Exit Advanced Features Mode by pressing both the left knob and right knob at the same time for more than 1.2
seconds to Save the Settings and exit advanced features mode. Note if there has been no user input for 30 seconds,
the VAF4HD will save settings and automatically exit advanced programming mode.
Advanced Feature Left Display
Feature Description
Right Display
Parameter / Selection
Local / Remote
This is used to select local panel
control on the Wirefeeder, or remote
control from the 8 pin remote
control socket on the front of the
Wirefeeder
Default Local / Remote = Local
Local / Remote
If MIG Remote is selected but no remote control device is connected to the 8 pin
control socket then the wirefeed speed will be 1.3MPM (minimum wirespeed) and
the voltage will be 14V (minimum volts).
Pre Flow
This is used to provide gas to the
weld zone prior to the wire striking
an arc.
Default Pre Flow = 0.1 sec
0.0 – 5.0 seconds
Run In
(Creep wirefeed speed)
This is used to change Wirespeed to
a percentage of the value set by the
operator. It can improve arc starts
by controlling the wire speed at the
instant the wire touches the base
metal.
Default Run In = 70%
30 – 150% of
Wirefeeder Speed
Setting
For example if you have 12m/min set speed and have 50% selected for Run-in
Speed, the speed of the wire will be 6m/min until the arc is established. Once the
arc is established, the speed ramps up to the set speed at the rate set (12m/min)
with Ramp Time described below.