| Medium frequency dc welding |
Advanced power switching techniques has allowed
the introduction of an improved form of resistance welding process, which utilizes a very
high efficiency welding power pack. This results in a very compact lightweight transformer
unit with impressive welding characteristics and low power consumption. The MF-PAK system
can be used in conjunction with most welding controls and offers a wide range of features
for use on spot and projection welding machines up to 340kVA at 1 or 1.2 kHz with
secondary currents up to 120kA.

| Low transformer weight - allowing
for smaller robots or higher speed |
| Welds aluminium, coated and heavy
gauge steels |
| Compact transformers |
| Reduced weld time |
| Increased electrode life |
| Reduced secondary losses |
| Improved power factor |
| Balanced 3 phase distribution |
Designed to meet the requirements of spot, projection, seam and portable
gun welding applications. State-of-the-art construction makes the WS500 the ultimate
economy welding control.

| Spot, projection, seam and portable
gun welder compatibility |
| Extremely compact allowing
installation in a variety of new and retrofit applications |
| Suitable for robot, multiweld or
manual weld operations |
| 50/60 Hz operation |
| 24V I/O |
| Up to 8 programs |
| 4 inputs and 4 outputs |
| Alternate ½ cycle welding |
| Phase angle control |
| Configurable welding modes |
| Supports weld cross interlock |
| Weld counter |
| End of sequence output |
| Very easy to use and set up |
Designed to meet the requirements of medium frequency DC
spot, projection, seam and portable gun welding applications, the WS700ms has the
additional benefit of weld monitoring integrated into the control. State-of-the-art
construction makes WS700ms a most economical welding control..
| Medium frequency control |
| WS98 compatible |
| Weld monitoring for improved process
control |
| MF technology allows the use of
smaller transformers |
| Spot, projection, seam and portable
gun welder compatibility |
| Compact design allows installation
in a variety of applications |
| Suitable for robot, multiwelder or
manual applications |
| 24V I/O |
| Up to 64 programs |
| 16 inputs and 8 outputs |
| Configurable welding modes |
| Weld counter |
| End of sequence output |
| Very easy to use and set up |
| Proportional valve control for
electrode pressure |
| RS232 port |
| Analogue input (pressure transducer,
etc.) |
| Inverter diagnostics |
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