Design and function
TIG welding
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099-000125-EW501
29.9.2022
5.2.7.5 Configuring the TIG potentiometer torch connection
DANGER
Risk of injury due to electrical voltage after switching off!
Working on an open machine can lead to fatal injuries!
Capacitors are loaded with electrical voltage during operation. Voltage remains present
for up to four minutes after the mains plug is removed.
1. Switch off machine.
2. Remove the mains plug.
3. Wait for at last 4 minutes until the capacitors have discharged!
WARNING
No improper repairs and modifications!
To prevent injuries and damage to the machine, only competent personnel (authorised
service personnel) are allowed to repair or modify the machine.
Unauthorised manipulations will invalidate the warranty!
• Instruct competent personnel (authorised service personnel) to repair the machine.
Dangers resulting from failure to perform test after conversion!
Before reconnection, “Inspection and Testing during Operation” according to
IEC/BS EN 60974-4 “Arc welding systems – Inspection and Testing during Operation”
has to be performed!
• Perform test to IEC / DIN EN 60974-4!
When connecting a potentiometer torch, jumper JP27 on PCB T320/1 inside the welding machine
should be unplugged.
Welding torch configuration
Setting
Prepared for TIG standard or up/down torch (factory setting)
JP27
Prepared for potentiometer torches
JP27
Figure 5-17
This torch type requires the welding machine to be set to torch mode 3
> see 5.2.7.1 chapter
.
5.2.7.6 Tapping function (tap torch trigger)
Tapping function: Swiftly tap the torch trigger to change the function. The set torch mode determines the
operating mode.
5.2.7.7 Current jump
By tapping the corresponding torch trigger the welding current can be determined in an adjustable jump
range. Each tap will cause the welding current to jump up or down by the defined value.
The “current jump” parameter
is set in the machine configuration menu
> see 5.8 chapter
.
