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  • Cause for Alarm?
    of automation logic is not associated with the normal running of a batch process, but rather with the other possible states of a process and the transitions between them. This suggests that alarms and their attributes also can be configured as a function of the process state. Computer systems used
  • Audible Alarm Basics
    From smoke detectors to automobiles, audible alarms (also known to be called buzzers) have become a part of our everyday life. Some of the uses of these alarms are innocuous such as in a microwave oven. However, in some applications such as in a smoke detector or medical equipment, a person's life
  • Testing safety critical PA systems in a nuclear power plant
    This article describes considerations and the implementation of retrofitting a fully-automated procedure, for testing a public address system, into a safety-critical environment (a nuclear power plant). There are over 4000 loudspeakers, about 200 amplifiers as well as various alarm
  • Vibration Monitoring Sensors - efector Octavis System Makes Real-Time Machine Maintenance Easy
    Consider this compact device a type of OnStar for your plant equipment. The efector Octavis condition monitor provides real-time monitoring on critical plant equipment such as pumps, motors, compressors, fans and spindles. efector Octavis is permanently mounted on equipment to detect rolling
  • Vibration Monitoring & Analysis of Machine Humming
    Gas turbine efficiency is critical to a facility's productivity. A global manufacturer of gas turbines uses Delphin Expert Vibro Data Acquisition & Control Systems for humming vibration analysis of data collected within turbine combustion chambers. Now the turbine manufacturer receives alarm
  • Panel Mountable Pressure Transducers
    Pressure transducers form a critical function in today's closed loop systems providing data for safety, control and alarm functions encountered in typical industrial applications such as heating boilers, HVAC/R, gas correctors, compressors, test stands, fire suppression equipment and power
  • Establishing Wear Particle Limits Using the Theory of Dynamic Equilibrium Condition (DEC) to Predict When Abnormal Wear Modes Are Taking Place in Machinery
    equilibrium models can help end. users establish alarm limits for assets. with unique operating profiles. In this paper, two well-established mathematical models describing this condition are applied to real-world examples that show the time to equilibrium is not intuitively obvious. Understanding
  • MICRO: Prod Tech News
    The Puma 9000 series of patterned-wafer inspection tools is for use at the 65-nm node and beyond. The tools incorporate Streak technology, which combines advanced UV illumination optics with high-speed imaging to provide a range of inspection modes optimized for critical-defect detection without
  • Vibes scope machine health
    converter. The sensors connect to the converter by direct wire, wireless link, or Ethernet. The PC typically outputs to a PLC with alarm or machine-trip capabilities, or both. Continuous monitoring is used primarily for critical machinery that has high downtime costs. The portable data-collection method

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