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Loss-in-weight rate controller with analog output controls feeder speed

February 25, 2009
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Compact, single-feeder, closed-loop rate controller is now available from the manufacturer, for use in a variety of applications, including auger, belt and vibratory-based feeders, converting them from volumetric to gravimetric. After supplying excitation to the load sensors and digitizing the weight signal, the rate controller provides an analog output to control the feeder speed and adjusts this signal based on the required rate at which the feeder is losing weight. This rate controller features an embedded web server; true five-point automatic rate calibration; automatic feeder refill; various alarms including rate tolerance and disturbance; and optional DeviceNet, EtherNet/IP, Remote I/O, Profibus, Modbus TCP/IP, and Analog communications. It also includes WAVERSAVER® to eliminate the effects of surrounding vibration for fast, stable weight display, C2® electronic calibration without test weights, a Secure Digital (SD) Memory Module card for fast transfer of configuration data, and INTEGRATED TECHNICIAN® for system diagnostics and troubleshooting.
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