ด้านการอนุรักษ์พลังงาน

อุปกรณ์ไฟฟ้าโรงงาน

เกียร์มอเตอร์และไดร์มอเตอร์

ปั๊มลมและปั๊มน้ำ

เครื่องมือวัดและควบคุมอุตสาหกรรมแบบพกพา

บริการดูแลอาคารสูง

HITACHI VARIABLE FREQUENCY DRIVES

Powerful Operation with Advanced Sensorless Vector Control

• High starting torque of 200% (180% : 75kW and avove or greater at 0.5Hz

• Rotational fluctuation at low speed has been drastically reduced to enhance process stability and precision.

• High torque of 150% (130% : 75kW and above) at 0Hz domain with a smaller motor by one frame size

• High torque multi-motor operation

• On-line/off-line auto-tuning

Versatil Functions Encompass More Applications

• Intelligent input/output terminal system

• Analog output terminals in addition to the pulse output monitor

• Auxiliary speed input

• Third motor constants setting

• Fan ON/OFF selection

• PID operation

• Deceleration and stop at power failure

• UP/DOWN function

• Frequency scaling conversion

• 3-wire function

• P/PI control selection

Ease of Maintenance

• Easy-removable Cooling Fan and DC Bus Capacitor

• Removable Control Circuit Terminals

Ease of Operation

• Removable Digital Operator

• Multilingual Operator with Copy Function

• User Selection of Command Functions ("Quick Menu")

• Built-in RS-485

• Optional PC Drive Configuration Software

Protection for Various Installation Environments

• CE, UL, c-UL, C-Tick approvals (EMI filters are available

• IP54 (NEMA12), please contact Hitachi sales office.

Global Performance

• CE, UL, c-UL, C-Tick approvals (EMI filters are available as an option.)
  

• Compatibility with networks such as DeviceNetTM, PROFIBUS(R), LONWORKS(R), Modbus(R) RTU*2, and EthernetTM*3, with communication options (available soon).

Note 1: Upto 22kW.
             An optional conduit box is required for 
             30kW to 55kW to meet NEMA1.

Note 2,3 : Being planned.