Configuring The Tig Potentiometer Torch Connection - EWM TETRIX 351 AC/DC COMFORT activArc Operating Instructions Manual

Functional characteristics
Advanced settings
5.7.3

Configuring the TIG potentiometer torch connection

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 two minutes after the mains plug is removed.
1. Switch off machine.
2. Remove the mains plug.
3. Wait for at last 2 minutes until the capacitors have discharged!
Risk of accidents if these safety instructions are not observed!
Non-observance of these safety instructions is potentially fatal!
• Carefully read the safety information in this manual!
• Observe the accident prevention regulations in your country.
• Inform persons in the working area that they must observe the regulations!
Test!
Before re-commissioning, it is essential that an "inspection and test during operation"
is carried out conforming to IEC / DIN EN 60974-4 "Arc welding devices - inspection and
testing during operation"!
• For detailed instructions, please see the standard operating instructions for the welding
machine.
When connecting a potentiometer torch, jumper JP27 on PCB T320/1 inside the welding machine
should be unplugged.
Prepared for TIG standard or up/down torch (factory setting)
Prepared for potentiometer torches
62
DANGER
WARNING
CAUTION
Welding torch configuration
B2-
BT1
A
BT2
B
0V
C
0V
D
Poti-Brenner
Uref.+10V
E
IH-Down
F
Up
G
Poti/UD ein
H
Figure 5-20
10k
Item No.: 099-000108-EWM01
Setting
JP27
JP27