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LD5290: Integrator/controller suitable for belt applications

The LD5290.BS is a high performance integrator/controller for continuous in line conveyor belt applications. It processes the instantaneous weight from the load cells, (kg/m), the speed of the belt, (tachometer pulses/sec), calculates, displays and totalizes the flowrate. Industrially oriented hardware and proven control software allow fast and reliable operation at the highest accuracy and reliability, ensuring easy adaptation to application requirements and optimization of the weighing process.

High accuracy and stability weighing electronics allow the controller to be used in almost every belt scale application, fast moving or light belt loading to the highest standard. Real time operating system, designed for the handling and control of bulk materials in automatic continuous weighers, ensures that measuring and controlling tasks are always processed independent of input/output activity. Ease of operation with guided Setup and Calibration procedures, with plain language prompts on alphanumeric display, integrated PLC functions and data management features. Connectivity to higher level systems is supported with enhanced communications and analogue and digital interfaces.

Features

  • Approved for 10,000 divisions
  • Excitation, AC/DC, for 10 strain gauge load cells (350Ω).
  • High resolution, stable A/D converter with integrated analog and digital ltering.
  • Durable and harsh conditions bright displays:
  • LED 9-digit with status annunciators and
  • VFD (2x40 characters) for operator dialogue.
  • Alphanumeric keyboard of 33 keys
  • Up to 48 opto-isolated digital I/O.
  • Analog output (2 channels), 0-10V or 4-20mA,
  • Rate, Load, Speed, VSD selectable output.
  • 3 serial, (bidirectional), communication ports.
  • RS232 or Centronics Event printer output.
  • Compact panel mount enclosure with dust and spill proof keyboard.

Applications

  • Belt scales
  • Belt scale feeder(s)

Additional Equipment

  • Belt speed sensor assembly (190mm wheel)
  • Junction box for the Loadcells and speed sensor (stainless steel).