PNOZmulti Expansion Module, Safe Input Monitors safety inputs 8 safe inputs for E-stops, two-hand, safety gate limits, light curtains, scanners, enable switches and operating mode selector switches Note You will require the PNOZ m1p Standards EN954-1 (Cat 2,3,4), EN60204-1, EN61508 (SIL3) and others Approvals UL, CCC, GOST R, TUV, NFPA 79:2002, UL508, OSHA Supplied with Plug-in screw terminals Approvals UL, CCC, GOST R, TUV, NFPA 79:2002, UL508, OSHA Safety Controller