Weight indicator-controller
HI 2151/30WC Hardy Process Solutions

Description

The controller is used for a wide variety of process weighing applications including batching, blending, check weighing, filling/dispensing, force measurement, level by weight and weight rate monitoring.

As a stand-alone product ,the HI 2151/30WC can control as many as eight set point relays, and transmit data via analog, serial and BCD communications. Data is displayed alpha-numerically on the six digit fourteen segment LED display and graphically on the 30 segment bar graph display. Weight values can be based on either Net, Gross, Rate-of-Change (ROC), Peak Hold or Totalized weight values in pounds or kilograms.

The weight controller can also be used as a front end for a control system, transmitting weight values via a standard operator selectable serial port (RS-232, RS-422/485) to programmable logic controllers (PLC’s), computers, and printers. An optional Allen Bradley Remote I/O, Analog and PROFIBUS interface is available for communication to programmable logic controllers.

The 20 bit analog to digital converter in the weight controller updates twenty (20) times per second and is capable of 985,000 counts of display resolution. This gives the instrument the ability to tolerate large “dead” loads, over sizing of load cells/sensors and still have sufficient resolution to provide accurate weight measurement and control. Commands can be entered into the instrument from the communication ports or locally from a tactile feel sixteen button front panel keypad.

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