Cat MX150 Microprocessor Controller

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Cat MX150 Microprocessor Controller

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Features

Features and Benefits

Features and Benefits
  • Digital timer and adjustments with 1 second resolution
  • Long lasting LED indicators and an easy-to-view LCD display
  • Inputs optoisolated for high electrical immunity to transients and noise
  • Digital voltage and frequency adjustments with1% resolution
  • Voltage and frequency sensing includes:
    –Voltage imbalance detection between phases
    –Under frequency sensing on source 2
    –3 Phase under voltage sensing on source 1(S1)
    – Normal and single phase sensing onsource (S2)
    – Emergency
  • Modular pre-signal option easily integrated into the system (e.g. elevator pre-signal and motor load disconnect)
  • Universal Motor Disconnect (UMD) available for programming to pre-signal, post-signal or both
  • Line voltage transients are isolated from the control board using remote transformers
  • Simplified major components and modules for easy replacement
  • On-board diagnostics including voltage frequency, control and timing
  • Nonvolatile memory – battery backup not required during normal source outage
  • External communication available through LonWorks/ModBus network interface (RS232,RS 422, and RS 485 are also available)
  • Maintained and momentary test positions are available to the controller
  • Test mode allows manual bypass of all transfer timers when applicable
  • Automatic daylight savings adjustment available

User-Friendly Operation

User-Friendly Operation
  • LEDs for continuous monitoring of switch position, source availability, exercise time delay operation and diagnostics
  • Simplified adjustment for voltage, frequency and time delay settings
  • Close differential 3 phase under-voltage sensing of source 1, factory standard setting 90% pickup,80% dropout (adjustable); under-frequency sensing of the source 1 factory setting 95% pickup (adjustable)
  • Voltage and frequency sensing of source 2,factory standard setting 90% pickup voltage,95% pickup frequency (adjustable)
  • Test switch (fast test/load/no load) to simulate normal source failure – automatically bypassed should source 2 fail

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