SIMATIC DP, POWER MODULE PM-E F PROFISAFE, FOR ET 200S; 24V DC USEABLE FOR INSTALLATIONS WITH GROUNDED REFERENCE POTENTIAL RELAIS FOR FAIL-SAFE SWITCHING OF VOLTAGE BUS P2 UP TO CATEGORY 3 (EN954-1)/ SIL 2 (IEC61508) ALSO USEABLE IN PROFINET- NETWORKS WITH IM151-3 HF