Cat MX250 Microprocessor Controller

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Cat MX250 Microprocessor Controller

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Features

Features and Benefits

Features and Benefits
  • Available to support ALL transfer modes:
    –Open, Delayed and Closed Transition
  • User-friendly programmable engine exerciser,with or without load, at ANY interval in a one-year period
  • A wide variety of operating voltages available in a single controller for most domestic and international applications
  • Real-time display of ATS status, including active timer(s)
  • Multiple levels of user-defined password protection
  • Serial communications allowing connectivity with other ATS's, Caterpillar® Switchgear, and SCADA systems
  • Time-tested synchronous logic automatically measures phase angle and frequency allowing disturbance-free transfer
  • Unsurpassed statistical ATS/System monitoring available in real-time
  • Elevator pre-signal contacts automatically bypassed if the selected source fails, minimizing time an elevator is without power
  • Universal Motor Disconnect (UMD) sends a pre-signal, post-signal or both to any motor control center. Not bypassed in an outage,the UMD ensures safety in the event of a single phase loss
  • Voltage unbalance detection standard
  • Also includes all standard MX150 features
  • Back-lit/temperature compensated LCD display (includes the display of source voltage and frequency, exercise time, delay options and source condition)
  • Close differential 3-phase under-voltage sensing of source 1, factory standard setting 90% pickup, 80% dropout; under-frequency sensing of source 1 factory setting 95% pickup;voltage and frequency sensing of source 2,factory standard setting 90% pickup voltage,95% pickup frequency.
    All factory settings are operator adjustable.
  • LED indicators for ATS position and source availability
  • Plant exerciser clock (configured for 1, 7, 14 or 28 day run selections)
  • Built-in time delays with count-down display
  • Push button to bypass time delay transfer/retransfer
  • Transfer/commit/no commit selection In-phase monitor
  • Event logging (last 16 events)
  • A test is standard (fast test/load/no load) to simulate source 1 failure – automatically bypassed should source 2 fail.

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