Hitachi Industrial Equipment & Solutions America, LLC

Compact Sensorless Vector Model 0.5-20hp (WJ-C1)

Compact Sensorless Vector Model 0.5-20hp (WJ-C1)

Designed for excellent performance and user friendliness -
The WJ-C1 Series ranges from 100-400VAC and single phase input to three phase output. The WJ-C1 Series comes with an integrated auto-tuning function for easy sensorless vector control that realizes high starting torque of 200% or greater, suitable for a variety of applications.


Features and Benefits

  • High Starting Torque and dramatically improved speed stability with advanced sensorless vector control
  • New and more effective trip avoidance functions, safe-stop function
  • Full Closed Loop Vector Control capable
  • Advanced notification included for control life assessment
  • Simplified Auto-tuning procedure (SLV)
  • Can be used for heavy and normal duty
  • Easy to operate programming dial for quick direct programming
  • Password function to prevent parameters or to hide some of all parameters
  • Intuitive Setup and operation via standard integral keypad, optional enhanced keypad or PC software
  • User-changed parameter display: Store automatically and display the parameters changed by the user (Up to 32 sets); can also be used as change history
  • Unusual state detection feature provides signal based on deviations from normal operation.
  • Multiple PID loops for control flexibility
  • Capable of driving permanent magnet (PMAC) as well as standard induction motors
  • Data Comparison function: Display parameters changed from default setting
  • Built in Easy Sequence (EzSQ) PLC-like functionality
  • Programming can be accomplished using low voltage power source
  • Selectable modes: Basic (i.e. WJ200) and Extended (i.e. SJ-P1)
  • Dynamic braking transistor in all models
  • Dual rated for CT/VT applications
  • Simple position control capability “Enhanced”
  • Active parameter display: Display those parameters which are enabled.
  • Quick display: Display 32 user-selected parameters
  • Recycled resin used in manufacturing of new C1 products
  • 0.4 ~ 15kW (3-phase 400V)
  • 0.1 ~ 15kW (3-phase 200V)
  • 0.4, 0.75kW (1-phase 100V)
  • 0.1 ~ 2.2kW (1-phase 200V)

WJ-C1 Series

AC Variable Speed Drives Documents

Click on the links below to download documents related to the Hitachi Industrial WJ-C1 Series Variable Speed Drives – Inverters.

WJ-C1 Series AC Variable Speed Drives Applications