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More information about whether a welding program supports SFI can be found on the stick-
er with the program chart on the power source.
The SFI function is set in the Process setup menu (Fdc parameter).
SynchroPulse op-
tion
The SynchroPulse option is recommended for welding aluminium alloys where you want
to give the weld seams a rippled appearance. This effect is achieved by having the welding
power alternate between two operating points.
The two operating points result from the welding output being changed - positively and
negatively - by an adjustable dFd value that can be set in the Setup menu (welding power
offset: 0.0 - 2.0 m/min or 0.0 - 78.74 ipm).
Additional parameters for SynchroPulse:
- Frequency F for alternating between operating points (set in the Setup menu)
- Arc length correction for the lower operating point (set using the arc length correction
parameter on the control panel)
- Arc length correction for the higher operating point (set in the Setup menu, parameter
Al.2)
In order to activate SynchroPulse, you must (as a minimum) change the value of the pa-
rameter F (frequency) in the Process setup menu from OFF to between 0.5 and 5 Hz.
System requirements:
- Firmware version on the power source: OFFICIAL UST V2.60.4
- Firmware version on the wire-feed unit: OFFICIAL SR 1 V1.40.15
NOTE! Not all of the stored welding programs support the SFI function. SFI is au-
tomatically deactivated on changing to a welding program that does not support
the SFI function.
SFI must be re-activated on changing back to a program that supports the SFI
function.
NOTE! External enabling of the SynchroPulse option is possible from firmware
version OFFICIAL UST V2.70.1 (power source) upwards. Only Fronius push-pull
wire-feed unit systems are supported.
NOTE! As long as the Standard manual welding process is selected, the Syn-
chroPulse option is not supported.
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