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Weighing electronics

Integrator for belt scale system

The Milltronics BW500 by Siemens is an integrator for use with belt scales and weighfeeders. It operates with a speed sensor. Belt load and speed signals are processed for an accurate flow rate and totalized weight of bulk solids.

The MSI (left) together with the BW500 (Photo: Siemens)
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The integrator can take on lower level control functions traditionally handled by other devices, and it supports popular industrial communication buses such as Devicenet, Profibus, Modbus, Profinet, and Ethernet. Its load cell balance function eliminates the matching of load cells. Siemens showed the integrator at the Powtech 2016 from April 19 to 21 in Nuremberg.

The PID function may be used for rate control on shearing weighfeeders – where belt loading is constant – but can also control pre-feeding devices. Operating in tandem with two or more weighfeeders, the BW500 may be used for ratio blending and controlling additives. Batching, load out, and alarm functions are also provided by the product.

The Dolphin Plus software by Siemens may be used for programming the unit on a PC. Supplementary components are designed to work with most types of instrumentation to provide enhanced functionality such as remote displays and remote monitoring solutions.

The stand-alone integrator can be used with the company’s beltscale Milltronics MSI, which makes it a heavy-duty belt scale system. The MSI is a full frame single idler belt scale used for process and load-out control. It provides continuous in-line weighing on a variety of products in primary and secondary industries. It has proven itself in a range of applications from extraction (in mines, quarries, and pits), to power generation, iron and steel, food processing, and chemicals.

The MSI’s patented use of parallelogram-style load cells results in fast reaction to vertical forces, ensuring instant response to product loading. Operating with the BW500, the MSI provides indication of flow rate, totalized weight, belt load, and belt speed of bulk solid materials. A speed sensor monitors conveyor belt speed for input to the integrator.

cw



Publish date
2016-04-28
Company

Siemens
Powtech

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