Constant Current Controls

The WS700 is a high accuracy resistance weld processor which is easy to use and economical. The design is compact with an extensive range of features, providing 64 welding programs, constant current control, current monitoring and built-in machine sequencer.




  • Convenient Pop-up Meter for quick programming help
  • Current Monitoring: High/Low limits and Pre-limit
  • Proportional Valve Control I/O (0-10 V)
  • Force Monitoring: High/Low limits in lbf and kN


  • ELR/1 Earth-leakage Relay
  • 2-hand Start unit
  • 16-position Remote Program Select unit
  • 3PA/2 3-phase Adapter
  • Lean configuration option for simpler applications
  • Secondary Toroids

Technical Specifications


  • Welding modes: Single, Repeat & Half Cycle Spot, Roll Spot and Seam
  • 64 weld programs
  • Internal or binary program selection
  • Large backlit 4-line, easy-to-use programming keypad
  • Constant Current – program weld current in kA
  • Fault output with selectable Head-lock function
  • Weld History Log keeps last 64 welds
  • Wait for pressure function before weld
  • Upslope and Downslope
  • 16 inputs (24 VDC) and 8 outputs + SCR pulse drive (24 VDC)
  • End of Sequence output
  • 3 modes of Retraction
  • Weld Counter
  • Machine Logic Sequencer
  • Programmable outputs
  • RS232 port for printer or PC connection



Find out more

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