Arifin SP, Syahrorini S. Improvement Of Proximity Sensor-Based Interlock System On Butterfly Valve And Danfoss Vlt Vfd Inverter To Prevent Screw Pump From Operating With The Valve Closed: Improvement sistem interlock berbasis sensor proximity pada valve butterfly dan inverter vfd danfoss vlt untuk mencegah screw pump beroperasi pada kondisi valve tertutup. PELS [Internet]. 2026 Oct. 5 [cited 2026 Oct. 11];10(1):116-27. Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/3153