Siemens announces Milltronics BW500/L Belt Scale Integrator
February 28, 2011 – Siemens Industry announces Milltronics BW500/L, developed specifically for simple applications with belt scales. It features two relays capable of calculating rate, totalized weight, belt loading and belt speed.
Based on an electronic load cell-balancing feature, the BW500/L provides accuracy and improved efficiency in simple and complex applications.
When used in conjunction with a speed sensor and weigh bridge, the BW500/L is well suited for bulk weighing of product in processes as the material is moved on a conveyor belt. This measurement can be used to provide a signal to a control device that can be used for batch or feed rate control. This belt scale integrator can also be used to measure bulk inventory as is moved to and from silos, bins or storage piles.
Used with the MMI belt scale, the BW500 is ideal for fast-moving belts, short idler spacing, and light or uneven belt loading. Combined with MSI and MMI belt scales and a speed sensor, the BW500 has various approvals for custody transfer and legal for trade applications, including NTEP (National Type Evaluation Program), Electronic Indicator/Totalizer approval from Measurement Canada, MID (Measuring Instruments Directive), and OIML (International Organization of Legal Metrology).
Both versions store parameter data in a non-volatile Flash memory, making measurement and control data continuously available, even if the unit loses power. An automatic calibration function saves time during operation, and relays are programmable SPST form A contacts rated 5A at 250 V AC non-inductive, reversible.
Operating with any belt scale or weigh feeder with up to six strain gauge load cells or LVDT (linear variable differential transformer), the BW500 processes belt load and speed signals for accurate flow rate and totalized weight of bulk solids. The new BW500/L can be used with one or two-load cell belt scale systems.
“The BW500 was first introduced in 1999, and continues to be widely used in the food, cement, aggregate and mining industries,” says John Dronette, weighing and feeding product marketing manager at Siemens Industry, Inc. “The difference is Siemens electronic load cell-balancing feature, making these products a world leader in system accuracy. The BW500 and BW500/L can be connected to industrial networks via Profibus DP, Allen Bradley RIO and DeviceNet, and each is also compatible with Sitrans RD500 remote data manager.”
Siemens Industry, Inc. is the U.S. affiliate of Siemens’ global Industry Sector business—the world’s leading supplier of production, transportation and building technology solutions. The company’s integrated hardware and software technologies enable comprehensive industry-specific solutions for industrial and infrastructure providers to increase their productivity, sustainability and profitability. The Industry Sector includes six divisions: Building Technologies, Industry Automation, Industry Solutions, Mobility, Drive Technologies and Osram Sylvania. With nearly 204,000 Siemens Industry Sector employees worldwide, the Industry Sector posted a worldwide profit of $4.7 billion on revenues of $47.3 billion in fiscal 2010.
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