Process Controller PEK

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PEK is a system adapted for use with ESAB’s automatic power sources LAF 631/1001/1251/1601, TAF 801/1251, and Aristo® 1000 AC/DC. The control system is connected to the power source via a control cable and incorporates a CAN bus system for data transfer.

PEK can also be used as a motion controller to integrate other power sources for mechanisation and automation.

The control system is easy to use thanks to its clear text menu. Users can choose between a large number of different languages. The large display keeps the user informed about the main parameters including current, voltage and travel speed. Parameter sets can be given names for easier assignment.. Five soft keys can be configured according to individual preferences. PEK supports your system’s maintenance and keeps track of its use.

ESAB standard motors and travel axis can be selected from a list, and other motors can be programmed manually.

PEK can easily be pre-set by the user. Manual control keys for wire feed and travel direction allow fast access to frequent settings. Turn knobs allow easy adjustment of wire feed speed, voltage and travel speed during the process.

Additional functionality
More functions are available by adding an external analogue or digital interface.

Welding parameter limits
PEK allows defined limits for the settings and the measured parameters. The welder will be alerted if the weld parameters are outside the allowed limits.

Makes welding safer and easier
A USB slot enables users to file all settings and configurations. Restore your valuable production data within minutes. Security is provided by three-level user accounts. Users can also transfer welding parameters between other PEK units.

Emergency stop button
The emergency stop button can also be used in an extended E-stop chain.



  • Supports SAW, ESSC, Carbon Arc Gouging and GMAW (limited) processes
  • Pre-setting of all welding parameters (total of 255 sets)
  • Programmable sequential welding (distance measuring via encoder feed back)
  • Heat input visible on display
  • High resolution encoder feed-back from (wire feed and motion control)
  • Internal USB for data backup and external USB for system upgrades and transferring welding parameters between PEK units
  • Programmable I/O controlled pattern for wire cladding
  • Motion control of 2-axis as stand alone unit
  • WeldCloud enabled via Ethernet


Weight 6.6 kg

Speeds and Temperatures

Operating Temp 59 - 113 °F
Operating Temp -15 - +45 °C
Relative Humidity 98 %
Welding Speed 4-79 in./min
Welding Speed 0.1-2.0 m/min
Wire Feed Speed 12-984 in./min
Wire Feed Speed 0.3-25 m/min

Power Specifications

Enclosure Class IP23

Power Requirements and Connections

Input Power max 900 VA
Connection Type to Power Source Burndy 12-p
Supply Voltage 42V AC, 50/60 Hz
Enclosure Class IP23
Motor Connection Adjustment, A2 and A6 connection of 2 motors, current 6A cont, max 10A
Standards StandardsEN-60974-1, EN-60974-10
Valve Output 1pc, 42 V AC, 0.5A

Weights and Dimensions

Height 11 in.
Height 273 mm
Length 7 in.
Length 246 mm
Weight 14.5 lb
Weight 6.6 kg
Width 9.25 in.
Width 235 mm

Interested in this product? Contact us.

Contact us online

Call our Product Information & Support Line anytime: 1-800-ESAB-123 (1-800-372-2123)

ESAB Welding & Cutting Products
2800 Airport Road
Denton, TX 76207
Customer Care: 1-800-426-1888

Welding Consumables
801 Wilson Avenue
Hanover, PA 17331

Colfax Corporation
420 National Business Parkway
5th Floor
Annapolis Junction, MD 20701

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