25.01.2011 | Editor: Marcel Dröttboom
Siemens Industry Automation division has improved its Milltronics BW500 conveyor belt scale integrator, and added a new version, BW500/L, to its portfolio. The new conveyor belt scale integrators have been designed to offer increased efficiency in simple and complex applications.
The new version, developed specifically for simple applications with any belt scale, has two relays. It calculates rate, totalized weight, belt loading and belt speed. The relays are programmable SPST form A contacts rated 5A at 250 V AC non-inductive, reversible. An automatic calibration function saves time during operation. Both versions store parameter data in a non-volatile flash memory; measurement and control data is always available, even if the unit loses power. The standard belt scale integrator comes with five relays, offers additional PID control and batching in its functionalities and is specially designed for complex applications. Operating with any belt scale or weighfeeder 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 materials. The new BW500/L can be used with one or two-load cell belt scale systems. Both versions can be connected to industrial networks via Profibus DP, Allen Bradley RIO and DeviceNet. They are also compatible with Sitrans RD500 remote data manager. Combined with a Milltronics MSI and MMI belt scale and a speed sensor, Milltronics BW500 has various approvals for custody transfer and legal for trade applications, including OIML (International Organization of Legal Metrology), MID (Measuring Instruments Directive), NTEP (National Type Evaluation Program), and Electronic Indicator/Totalizer approval from Measurement Canada.
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