Siemens CP 1243-8 IRC Operating Instructions Manual

Contents

Installation, connecting up, commissioning3.1 Important notes on using the deviceCP 1243-8 IRC38 Operating Instructions, 06/2015, C79000-G8976-C385-01WARNINGThe equipment is designed for operation with Safety Extra-Low Voltage (SELV) by aLimited Power Source (LPS).This means that only SELV / LPS complying with IEC 60950-1 / EN 60950-1 / VDE 0805-1must be connected to the power supply terminals. The power supply unit for the equipmentpower supply must comply with NEC Class 2, as described by the National Electrical Code(r) (ANSI / NFPA 70).If the equipment is connected to a redundant power supply (two separate power supplies),both must meet these requirements.WARNINGEXPLOSION HAZARDDO NOT CONNECT OR DISCONNECT EQUIPMENT WHEN A FLAMMABLE ORCOMBUSTIBLE ATMOSPHERE IS PRESENT.WARNINGEXPLOSION HAZARDSUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION2 OR ZONE 2.WARNINGWhen used in hazardous environments corresponding to Class I, Division 2 or Class I,Zone 2, the device must be installed in a cabinet or a suitable enclosure.3.1.2 Notices about use in hazardous areas according to ATEXWARNINGRequirements for the cabinet/enclosureTo comply with EU Directive 94/9 (ATEX95), the enclosure or cabinet must meet therequirements of at least IP54 in compliance with EN 60529.