Upgrade Commander SK to Commander C200

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Upgrade Commander SK to Commander C200 Upgrading from Unidrive SP and Commander SK AC Drives Nidec (Control Techniques)

Commander C200 - C300 enhancements over Commander SK

General Purpose Variable Speed Drives Commander C200 & C300 deliver a range of performance, hardware, programming and software innovations over Commander SK.

Differences to note:
  • Commander C200 requires a AI-485-ADAPTOR for Modbus RTU communications, order separately.
  • The Commander SK when fitted with an SM-I/O option could support 2 or more analog outputs. The Commander C200 is limited to 1 analog output. For applications requiring 2 analog outputs the Unidrive M400 is the recommended replacement.
  • Compatible physical dimensions, weights and surface mount footprint
  • When retrofitting surface mount drives, existing mounting holes can be reused - negating the need for additional drilling. Mounting holes are in the same place or retrofit kits are available

  • Power and control wiring adopt the same philosophy as Commander SK

  • The same menu and parameter structure is adopted by Commander C
  • Connect can be used to transfer parameters from Commander SK to Commander C
Performance Innovations:
  • New Rotor Flux Control (RFC) mode which improves motor control and stability and delivers higher overload currents by using a closed loop current control algorithm
  • Patented fan intelligence controls the fan speed in order to optimize Commander C's cooling profile
Programming and Software Innovations:
  • Transfer parameters without mains power
    • AI-Backup adaptor option can be used to power the drive with 24 Vdc to maintain communications and interrogate parameter settings
    • Standard SD cards used with AI-Backup adaptor can transfer and clone parameters
  • LCD keypads have informative, multi-language, 3 line displays for easier and faster set up and diagnosis
    • Remote keypad – Rapid panel mount (1 x 32Ø hole) IP66 (C200-C300 with AI-485 adaptor)
  • Commander C200-C300 incorporate an onboard PLC which can execute Engineering Control Studio programs for logic and sequencing with real-time tasks

Hardware Innovations:
  • Commander C200 - C300 can survive environments as described by IEC60721-3-3 3C3 and EN60068-2-60 Meth. 4
    • PCBs are conformal coated for increased resilience to conditions and greater reliability
    • Patented air duct system protects critical components
    • The IP rating has been increased from IP20 to IP21
  • Higher level of integration with machine safety systems
    • Commander C300 has dual channel SIL3/PLe ‘Safe Torque Off’ (STO) input
  • New cable management design

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