S-DIAS Safety Relay Output Module Article Number and Miscellaneous Article number Dimensions with 2 safe outputs The S-DIAS Safety SRO 021 relay output module has the safety integrity level SIL3 (EN/IEC 62061) or Performancelevel e (PL e) (EN ISO 13849-1/-2). The safe outputs are used for the safety related output of two actuator signals, for example to control relays, valves, etc. Environmental Conditions Storage temperature Environmental temperature -20 ... +85 °C 0 ... +55 °C +55 … +60 °C with derating since HW version 3.10 Humidity Installation altitude above sea level 0-95 %, non-condensing 0-2000 m without derating > 2000 m with derating of the maximum environmental temperature by 0.5 °C per 100 m Operating conditions EMC resistance Relay Output Specifications Number Voltage range Contact current pollution degree 2 in accordance with 61000-6-7:2015 (Generic standards - Immunity requirements for equipment intended to perform functions in safety-related systems (functional safety) at industrial locations) in accordance with EN 61000-6-2:2007 (industrial area) (increased requirements in accordance with IEC 62061) in accordance with EN 61000-6-4:2007 (industrial area) Vibration resistance Shock resistance Protection type Electrical Requirements Voltage supply from Safety bus Current consumption on the Safety bus (+12 V power supply) Voltage supply from Safety bus Current consumption on the Safety bus (+24 V power supply)