SIPART PS2 smart electropneumatic positioner for pneumatic linear and part-turn actuators; FOUNDATION fieldbus operation; double action; polycarbonate enclosure Standard Without explosion protection. Connection thread el.: M20x1.5 / pneu.: G 1/4 Without limit monitor. Analog Input Module (AIM) to connect external position detection systems, e. g. NCS Sensor, Position Transmitter 6DR4004-1ES/2ES/3ES/4ES or other sensors. The internal position detection via a potentiometer is not applied but can be ordered in addition with ‑Z K11. . Brief instructions English / German / Chinese. Standard / Fail-Safe - Depressurizing the actuator in case of failure of electrical auxiliary power (single acting only). Without Manometer block / Venting gauge block / Booster.