Weigh Controller

Weigh Controller


SOC Technology Based Weighing System, PR444S Weigh Controller connects with a single set of 1 to 4 strain gauge load cells. It supplies 10V DC excitation and amplifies and conditions the resultant return signal. From this signal and from stored control and calibration data it accurately controls the repetitive weighing-in or weighing-out of target quantities of material. Access to the control and calibration data is pass-number protected.

  • Pharmaceuticals Industries
  • Food processing Industries
  • Pulp & Paper Industries
  • Chemical Industries
  • Solvent Extraction & Cement Industries

  • Model No: PR444S AC Powered, add Suffix ‘D’ for DC powered option
  • Power Supply: Universal fused power supply 85-264V AC or 18-30V DC. Internal Mains Fuse fitted. Power consumption 10VA
  • Load Cell Excitation: 10V DC @ 125mA max, 1 to 4 x 350 ohm load cells may be connected in parallel, 4 or 6 wire for volt drop compensation in long cables.
  • Load Cell Input Range: 0-20mv min, 0-2.5v max. Filter adjustable 0.2 to 20Hz
  • Accuracy: Up to 16,000 +/- 0.5 divisions. 16 bit 1:65,000 internal resolution
  • Display: 14mm high character green LED. Selectable update rate and minimum increment
  • Digital Inputs: 110-240V Ac @ 10-25mA 50/60Hz, or 18-30V DC in the case of the DC powered version PR444S-D
  • Relay Outputs: Max. 240V AC or 30V DC 5A rated contacts.
  • Serial Interface: RS232 Full Duplex
  • Enclosure: Panel mounting DIN case, IP65 sealed front. 144mm wide x 96mm high x 132mm deep, Panel cut-out 138mm wide x 92mm high
  • Environment: Operate 0-50ºC, 20-80% RH non-condensing Storage -40 to 80º>C

  • Ideal for jar, carton, check weighing, feed in, feed out, sack and bulk container filling
  • Load Cell Weighing accurate to 16,000 divisions (65,000 divisions internal resolution)
  • Weighing-in, Weighing-out & Through-put modes
  • Two Speed Feed Control plus either Discharge if Weighing-in or Top-up if Weighing-out
  • Automatic In-Flight compensation
  • Pushbutton Calibration
  • Printer or PC/PLC serial communications output

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