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ENGLISH
EN
Introduction 22
Description 22
Technical data 23
Operating features 23
Usage limits (IEC 60974-1) 24
How to lift up the system 24
Opening the packaging 24
Installation and connections 24
Loading wire 28
Assembly of drive rolls for steel 28
Assembly of drive rolls for aluminium 28
Command and control units DIGITECH 400 PULSED 29
Command and control units TA4 29
Control panel DIGITECH 400 PULSED 30
Control panel TA4 33
Adjustment from generator or wire-feeder 34
Viewing installed software versions 34
Before welding 34
Welding procedures 34
Create and memorize new automatic welding spots 37
Call up automatic spots memorized beforehand 37
Copy and change automatic welding spots 37
To delete an automatic welding point 37
How to use automatic welding spots 37
Welding sequence 37
Resetting 38
Limits to changing parameters 38
"ENERGY SAVING" function 38
Aluminum welding 38
Maintenance 39
Remote controls and accessories 39
Error conditions 40
The pointing out of any difficulties
and their elimination 41
Replacing front electronic circuit boards 41
Wiring diagram DIGITECH 400 PULSED 86
Key to the electrical diagram
DIGITECH 400 PULSED 88
Colour key 88
Wiring diagram TA4 90
Key to the electrical diagram TA4 91
Meaning of symbols written on the DIGITECH 400
PULSED generator and on the TA4 wire-feeder 92
Meaning of graphic symboles on rating plate
(DIGITECH 400 PULSED) 93
Meaning of graphic symboles on rating plate (TA4) 94
Spare parts list (DIGITECH 400 PULSED) 95-99
Spare parts list (TA4) 100-103
Complete entrainment mechanism with 4 rolls 104
Drive mechanism 106
Ordering spare parts 107
Introduction
Thank you for having purchased our product. Please read instruc-
tions on use in this manual as well as the safety rules given in
the attached booklet and follow them carefully to get the best
performance from the plant and be sure that the parts have the
longest service life possible. This manual will show you the best
way to do any maintenance jobs or repairs eventually needed by
your plant to resolve any eventual problems, we do however rec-
ommend our customers to arrange to have maintenance and even-
tual repairs done at our servicing centres as they have the right
equipment and the highly qualified personnel is constantly updated.
All our machinery and systems are subject to continual develop-
ment. We must therefore reserve the right to modify their construc-
tion and properties.
Description
The synergic multifunction DIGITECH 400 PULSED power source,
based on the most modern IGBT based inverter technology with
digital control, allows high quality welding both in MIG/MAG and in
Pulsed MIG on all materials and particularly on stainless steel, alu-
minium and galvanized steel, by minimizing any reworking job af-
ter welding thanks to its spatter free performance.
Technologically advanced, robust and easy-to-use, DIGITECH 400
PULSED represents the ideal solution for any application requiring
high precision and repeatability of the achieved results, by making
this power source particularly suitable for the most qualified jobs in
any industrial application. The high versatility of DIGITECH 400
PULSED also achieves optimal performances both in TIG by "lift"
mode striking and in MMA welding.
The TA4 wire-feeder was designed for using all types of wire, ei-
ther solid or cored, and must only be used as part of the welding
generator and not for improper or any other use.
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