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  • Limit Switch Application Notes (.pdf)
    Many machines in use today incorporate functions that are controlled electronically. A common name for these products can fall under the umbrella "CNC" machines - standing for "computer numerical control". Stated simply, the computer reads "code" and tells the machine what to do. If the machine
  • Vantage Point: With Mechatronics, the Sky's the Limit
    that evolved over the years. During the 1970s, it focused on servotechnology, where mechatronics simplified sophisticated controls in devices such as automatic door openers and autofocus cameras. In the 1980s, microprocessors imbedded into mechanical systems improved performance of systems ranging from
  • Liquiphant M FTL 51 and Nivotester FTL 325P Limit Control
  • Motion Control Over The Ethernet
    Connecting Ethernet to machine controllers isn't a new idea. But controlling motion over Ethernet is, and this approach may signal the end of machine-mounted motion-control hardware. EDITED BY John R. Gyorki The most common multiaxis motioncontrol cards that plug into a PC's bus slot have been used
  • Taking the Guesswork Out of Pneumatic Control
    or continuous cycling. Jog control lets users manually step through machine operations. This option can be added by controlling flow to limit valves (top) or adding a binary trigger (bottom). System shutoff prevents accidental machine operation. A shuttle valve to the pilot of a power valve lets
  • Design Simulation for Warehouse Temperature Control
    A pharmaceutical manufacturer needs to keep space temperatures in a warehouse between 68 F and 78 F to maximize shelf life of their products. The building?s HVAC control system was designed to issue an alert to plant operating personnel whenever temperatures in the space fall outside a +/- 3.5 F
  • Don t Drift out of Control
    to provide a value that is +/- .5% accurate. Sensor B is identically structured but uses a different set of random numbers. Results indicate that statistical control charts and F-test calculations identify drift and the suspect sensor much faster than conventional detection. Typically, in two-sensor
  • Control panels get new ratings
    A new supplement to the UL codes dictates all low-voltage control panels be rated for short-circuit current. The SCCR of a panel is determined by the individual ratings of the power-control equipment and other devices in the primary power path. Typically, the panel is rated to the value

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