6 Putting into operation
6.4.4 4-cycle and interval with torch for controlling the power source via the feed
NOTICE
• A specially equipped intermediate cable assembly is required for this function.
Setting the wire feeder and welding current source to 4-cycle mode.
Move the rocker towards T4 to switch on the wire feed and the welding current source.
Move the rocker again to switch off the welding current source.
The wire feeder shut-down can be set on the 2nd or 4th cycle. Move or release the rocker towards T2 to
start or stop the wire feed.
Stopping the wire feed in the 2nd cycle enhances the end quality of the welding process (wire stops sooner)
and prevents the wire from sticking in the weld pool. The setting is made using function F6 (2 – 4).
The wire feed can be delayed when starting welding using the parameter dt (0 – 3 sec.).
Wire retraction can be used when stopping welding. The wire retraction time is set using the parameter rE
(off – 3 sec.).
The wire retraction feed rate is set using function F2.
The applicable parameter settings can be found in the following table:
Function
Description
dt
Wire feed delay time
rE
Wire retraction time
F2
Wire retraction feed rate
F6
Power source shut down with
2 and 4-cycle
T2
Rocker
T4
Rocker
Tab. 15
Settings for 2-cycle and 4-cycle mode
Move the rocker towards T4 to switch on the wire feed and the welding current source. Move the rocker
again to switch off the welding current source.
The wire feeder stops in the 3rd or 4th cycle, enhancing the quality of the current welding process (wire
stops sooner) and preventing the wire from sticking in the weld pool.
The setting is made using function F6. Here, the wire feed starts when the rocker is moved towards T2 and
stops when it is released.
Fig. 12
Example of 4-cycle mode
EN - 18
Explanation of the setting process
Tab. 9 Display indicators after switching on on page EN-12
Tab. 9 Display indicators after switching on on page EN-12
Tab. 10 Display indicators for advanced functions on page EN-14
Tab. 10 Display indicators for advanced functions on page EN-14
Switch the wire feed on or off
Switch the welding current source on or off
t2
t1
4T
Normal
(F6=4)
dt
Normal
(F6=3)
dt
ton
Interval
(F6=3)
dt
tof
TIG cold-wire feeder
T2
t4
t3
m/min
Motor
rE
m/min
Motor
rE
m/min
Motor
rE