Operational Philosophy The Midland-ACS 900 AND ACS 603 IR EExd-Atex Electronic Positioners will control Electro-Hydraulic EExme, Atex Solenoid Valves to position a hydraulic actuator proportional to a linear, analog command signal. Positional feedback is via a potentiometer or transducer mounted within the actuator. Local control and calibration via an intrinsically safe infrared handheld keypad controller. |