Technical Specifications 24VDC power supply, proportional current output, LVDT excitation and feedback input. Operating temperature: -40℃ ~ +70℃, drive loop short-circuit protection.
Functional Features Command conversion, proportional drive output, LVDT signal sampling, closed-loop position adjustment, drive fault alarm.
Application Scenarios Gas engine fuel actuator control, small steam turbine governing valve drive loops.
Performance Parameters High drive linearity, precise position holding, fast response to command changes.
Structural Characteristics Heavy-duty rack pluggable drive module, drive running and fault indicator lights.
Working Principle The module compares target valve opening command with real-time LVDT feedback signal, continuously adjusts output drive current to move the actuator until actual position matches the set value.
Installation Requirements Actuator power wiring uses appropriate thick cables, separate weak feedback signal cables from power lines.
Usage Notes Calibrate zero and full stroke after module replacement, match drive parameters with actuator specifications.
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