Technical classification
Analog positioner
Based on the principle of force balance, the structure is simple but the accuracy is low (±2%), which is suitable for conventional working conditions.
Smart digital locator
Adopts DSP or ARM processor, supports HART, FF, Profibus and other communication protocols, typical accuracy ±0.5%, functions include:
Adaptive control: Automatically adjust PID parameters to adapt to load changes.
Fault self-diagnosis: detection of air source leakage, valve jam and other anomalies.
Data records: Store running history and support maintenance analysis.
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