Flowserve Logix 520MD Smart Valve Positioner with HART 5/6/7 for Pneumatic Actuators and Auto-tune Algorithm
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Product Overview The Flowserve Logix 520MD is a high-performance digital valve positioner that communicates over HART. It accepts a two-wire 4-20mA control signal and delivers a proportional pneumatic output to a valve actuator. The unit is powered entirely by the 4-20mA input signal and controls single-acting actuators with linear and rotary mountings. The positioner uses a multi-variable gain tuning algorithm that allows large step changes with minimal overshoot while
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