SIPART PS2 Smart, electropneumatic positioner, 4...20mA, Ex/nEx, double-acting, polycarbonate enclosure, for pneumatic linear and part-turn actuators. Non-contacting (wear-free) position detection (NCS). Standard Without explosion protection. Connection thread el.: 1/2" NPT / pneu.: 1/4" NPT Digital I/O Module (DIO), 1 digital input, 3 digital outputs (2 min. or max. limit values, 1 fault indicator). " Analog Output Module (AOM) and Analog Input Module (AIM). The internal position detection is not applied but can be ordered in addition with ‑Z K11 and or K12. Device plug M12 is not available. Isolating power supply SITRANS I100 separately orderable (7NG4124-1AA00). . Brief instructions English / German / Chinese. Fail in Place - Maintain position in case of failure of electrical and/or pneumatical auxiliary power. Without Manometer block / Venting gauge block / Booster.