Sick UE48-20S2D2 Overview Safety Relay Module UE48-2OS2D2 Sick UE48-20S2D2 Description ?Ideal for the evaluation of emergency stop pushbuttons, safety switches, safety light curtains, safety laser scanners and pressure sensitive mats ?Cross circuit detection and sequence monitoring at the dual-channel input signal ?2 safety outputs, 1 application diagnostic output ?Manual or automatic reset ?Coded version for all plug-in positions Your benefits ?One module for all common applications ?Complete monitoring and analysis of sensors ?The sequence monitoring takes over the evaluation of non-contact safety switches ?Possibility of fast diagnostic via the status information ?Fast tool-free exchange via coded removable terminals ?Combines the advantages of classic relays and easy circuitry Applications Type of switching amplifier: main unit Emergency stop pushbuttons: Safety switches: Safety Switch with mechanical lock: - Two-hand control systems: - Pressure sensitive mats: Opto-electronic protective devices: Opto-electronic protective devices without RES/EDM: Opto-electronic protective devices with RES/EDM: - System part: Safety relays Functions Input circuit: single- or dual-channel Cross-circuit detection: Reset/restart: Manual / automatic / configurable External device monitoring: Synchronous time monitoring: Technical data Safety integrity level: SIL3 (IEC 61508), SILCL3 (IEC 62061) Category: Category 4 (EN ISO 13849) Performance level: PL e (EN ISO 13849) B10d parameter: 1.26 * 1E 06 switching cycles (AC-15, 230 V, I = 1.5 A) 5.9*1E 06 switching cycles (AC-15, 230 V, I = 0.75 A) 4.35*1E 05 switching cycles (DC-13, 24 V, I = 2.5 A) 1*1E 07 switching cycles (DC-13, 24 V, I = 0.63 A) PFHd: 3.0 * 1E-08 TM (Mission Time): 20 a Stop category: 0, EN 60204 Width: 22.5 mm Contact type: positively driven Number of enable current contacts: 2 Number of signalling current contacts: 1 Operating voltage AC: 24 V AC Operating voltage DC: 24 V DC Maximum power consumption AC: 4.6 VA Maximum power consumption DC: 2.1 W Type of output: Relay contacts Rated operating current (voltage): 4 A (230 V AC) 360 switching cycles/h 3 A (230 V AC) 3600 switching cycles/h 4 A (24 V DC) 360 switching cycles/h 2.5 A (24 V DC) 3600 switching cycles/h Maximum switching current: 6 A Maximum total current: 12 A Mechanical life (relay contacts): 1*1E 07 switching cycles Electrical life (relay contacts): 2* 1E 06 switching cycles, dependent upon loading, details see operating instructions Enclosure rating: IP 20 Ambient operating temperature from ... to: -25 °C ... 55 °C Connection type: Screw-type terminals |