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Variable Frequency Drives

NXS 590A Inverter

NXS Variable Frequency Drives provide step less speed control for all open loop applications in HVAC and industrial environments. It consists of two units, the Power Unit and the Control Unit.

NXS Frequency Converter consists of two units, the Power Unit and the Control Unit. The three-phase AC-choke (1) at the mains end together with the DC-link capacitor (2) form an LC-filter, which, again, together with the diode bridge produce the DC-voltage supply to the IGBT Inverter Bridge (3) block.

The AC-choke also functions as a filter against High Frequency disturbances from the mains as well as against those caused by the frequency converter to the mains. It, in addition, enhances the waveform of the input current to the frequency converter. The entire power drawn by the frequency converter from the mains is active power. The IGBT Inverter Bridge produces a symmetrical, 3-phase PWM-modulated AC-voltage to the motor. The Motor and Application Control Block is based on microprocessor software. The microprocessor controls the motor basing on the information it receives through measurements, parameter settings, control I/O and control keypad. The motor and application control block controls the motor control ASIC which, in turn, calculates the IGBT positions. Gate drivers amplify these signals for driving the IGBT inverter bridge.

The control keypad provides a link between the user and the frequency converter. The control keypad is used for parameter setting, reading status data and giving control commands. It is detachable and can be operated externally and connected via a cable to the frequency converter. Also a PC can be used instead of the control keypad, to control the frequency converter, if connected through a similar cable.

Features & Benefits:
  • Integrated RFI-filters and AC-chokes
  • Application adapting Start Up Wizard
  • Application adapting Quick menu
  • Flexible “ALL IN ONE” multipurpose software with predefined applications
  • Alphanumeric keypad with memory and backup functions
  • Easy “keypad – remote” change with 1 button
  • Trip free operation with safety switch
  • Silent motor operation with 10 kHz switching frequency
Certifications:
  • Safety: EN60204-1, CE, EN61800-5
  • EMC: EN 61800-3 (2004) Category C3

Others

  • Power
    • 315 kilowatt
    • 400 volt
  • High Overload For Machines
    • 250 kilograms per millimetere
  • Communication Protocols
    • BACnet
    • DeviceNet
    • N2
    • Profibus DP
    • CANopen
    • Modbus RTU
    • Optional
    • Ethernet Mobus/TCP
  • Brand
    • Saia Burgess Controls SBC
  • Operating Frequency Resolution
    • 0.01 hertz
  • High Overload Continuous Current
    • 520 ampere
  • Three Phase Input
    • Yes
  • Low Overload Continuous Current
    • 590 ampere
  • RFI Filter Type
    • Integrated
  • One Phase Input
    • No

Others

  • Power
    • 315 kilowatt
    • 400 volt
  • High Overload For Machines
    • 250 kilograms per millimetere
  • Communication Protocols
    • BACnet
    • DeviceNet
    • N2
    • Profibus DP
    • CANopen
    • Modbus RTU
    • Optional
    • Ethernet Mobus/TCP
  • Brand
    • Saia Burgess Controls SBC
  • Operating Frequency Resolution
    • 0.01 hertz
  • High Overload Continuous Current
    • 520 ampere
  • Three Phase Input
    • Yes
  • Low Overload Continuous Current
    • 590 ampere
  • RFI Filter Type
    • Integrated
  • One Phase Input
    • No
  • Communication Protocols : BACnet|DeviceNet|N2|Profibus DP|CANopen|Modbus RTU|Optional|Ethernet Mobus/TCP
  • Brand : Saia Burgess Controls SBC
  • Operating Frequency Resolution : 0.01 hertz
  • High Overload Continuous Current : 520 ampere
  • Three Phase Input : Yes
  • Low Overload Continuous Current : 590 ampere
  • RFI Filter Type : Integrated
  • One Phase Input : No
  • Power : 315 kilowatt|400 volt
  • High Overload For Machines : 250 kilograms per millimetere
Image
SKU
Description
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NXS0590V35A2L0
NXS Inverter, 315kW Low Overload, 250kW High Overload, 590A, FR10/IP21, 794x2018x602, 470kg