Functions: Periodic function test, "Error" signal output, "Safety ON" signal output, Contactor monitoring (EDM), selectable, Start/restart interlock (RES), selectable; Restart: Automatic, Manual; Type: 2, IEC/EN 61496; SIL: 1, IEC 61508; Performance Level (PL): Up to c, EN ISO 13849-1; Category: 2, EN ISO 13849; Contacts (NO contact/NC contact): 2 NO contacts / 2 NC contacts; Number of switching inputs: 4 Piece(s); Number of safety-related switching outputs (OSSDs): 2 Piece(s); Number of switching outputs: 3 Piece(s); Safety-related switching output 1: Relay, NO; Safety-related switching output 2: Relay, NO; Switching output 1: Transistor, PNP; Response time: 20 ms; Sensor response time on test request: 0.5 ... 60 ms; Connection: Spring-cage terminal; Dimension: 22.5 mm x 111 mm x 114.1 mm; Ambient temperature, operation: -30 ... 60 °C; Certifications: TÜV Süd, c TÜV Rheinland US