EWM TETRIX 351 AC/DC COMFORT activArc Operating Instructions Manual page 23

Item Symbol Description
1
digital
2 X1
3
42V/4A
4
HF
HF
5
analog
6
COM
7
8
9
10
11
12
13
14
15
Item No.: 099-000108-EWM01
0
7-pole connection socket (digital)
For connecting digital accessory components (documentation interface, robot interface
or remote control, etc.).
Connection socket, 28-pole (optional, factory-fitted)
TIG cold wire feed unit connection
Key button, automatic cutout
Wire feed motor supply voltage fuse
(press to reset a triggered fuse)
Ignition type changeover switch
HF
= Liftarc (contact ignition)
= HF ignition
HF
Automation interface, 19-pole (analogue)
(see Function Specification chapter)
PC interface, serial (D-SUB connection socket, 9-pole)
Safety chain
G¼" connecting nipple
Shielding gas connection on the pressure reducer
Mains connection cable
Welding current connection socket, minus potential (optional, factory-fitted)
Welding current lead connection for TIG cold wire feed unit
Rapid-action closure coupling, red (optional, factory-fitted)
Coolant return
Rapid-action closure coupling, blue (optional, factory-fitted)
Coolant supply
Cooling air outlet
Cylinder bracket
Conveyor rolls, fixed castors
Machine description
TETRIX 421, 521 AC/DC
23