BSI BS IEC 60870-5-6 pdf download
BSI BS IEC 60870-5-6 pdf download Telecontrol equipment and systems — Part 5-6: Guidelines for conformance testing for the IEC 60870-5 companion standards 1 Scope This part of the IEC 60870-5 series specifies methods for conformance testing of telecontrol equipment, amongst Substation Automation Systems (SAS) and telecontrol systems, including front- end functions of SCADA. The use of this part of...
BS IEC 62363 pdf download
BS IEC 62363 pdf download Radiation protection instrumentation — Portable photon contamination meters and monitors 1 Scope and object This International Standard is applicable to portable and transportable contamination meters and monitors designed for the direct measurement or the direct detection of surface contamination by photon radiation emitting radionuclides and which comprise at least: – a detection assembly (comprising counter...
DD IEC PAS 62246-2-1 pdf download
DD IEC PAS 62246-2-1 pdf download Reed contact units — Part 2-1: Heavy-duty reed switches – Quality assessment specification 1 Scope This PAS defines requirements and tests for heavy-duty reed switches intended to beincorporated into devices that can be used in various industrial applications. This PAS is to be used in conjunction with IEC 62246-2. This PAS selects from lEC...
DD IEC PAS 62443-3 pdf download
DD IEC PAS 62443-3 pdf download Security for industrial process measurement and control — Part 3: Network and system security 4 Introduction and compliance Use of IT security methods and standards have become common place in the office environment in the form of the ubiquitous code of practice for information security management (ISO/IEC 27002, previously known as ISO/IEC 1 7799),...
IEC 60034-29 pdf download
IEC 60034-29 pdf download Rotating electrical machines – Part 29: Equivalent loading and superposition techniques – Indirect testing to determine temperature rise 4 General test requirements Measurement of the electrical parameters shall be made as follows. a) The class of accuracy of measuring instruments shall be not greater than 0,5. b) The measuring range of analogue instruments shall be chosen...
IEC 60034-30 pdf download
IEC 60034-30 pdf download Rotating electrical machines – Part 30: Efficiency classes of single-speed, three-phase, cage-induction motors (IE-code) 3Terms, definitions and symbols 3.1 Terms and definitions For the purposes of this document,the terms and definitions given in lEC 60034-1 and thefollowing apply. 3.1.1 brake motor a motor equipped with an electro-mechanical brake unit operating directly on the motor shaftwithout couplings...
IEC 60076-15 pdf download
IEC 60076-15 pdf download Power transformers – Part 15: Gas-filled power transformers 1scope This standard applies to gas-filled power transformers (including auto-transformers). Thestandard applies to all construction technologies. This standard does not apply to single-phase transformers with rated power less than 1 kVA and three-phasetransformers less than 5 kVA; dry-type transformers (see lEC 60076-11);instrument transformers (see lEC 60044); starting transformers;...
IEC 60079-27 pdf download
IEC 60079-27 pdf download Explosive atmospheres – Part 27: Fieldbus intrinsically safe concept (FISCO) 1 Scope This part of IEC 60079 contains the details of apparatus, systems and installation practice for use with the Fieldbus Intrinsically Safe Concept (FISCO). It is based on the concepts of Manchester encoded, bus powered systems designed in accordance with IEC 61 1 58-2 which...
IEC 60079-31 pdf download
IEC 60079-31 pdf download Explosive atmospheres – Part 31: Equipment dust ignition protection by enclosure “t” 1 Scope This part of lEC 60079 is applicable to electrical equipment protected by enclosure andsurface temperature limitation for use in explosive dust’atmospheres. lt specifiesrequirements for design,construction and testing of electrical equipment. This standard supplements and modifies the general requirements of lEC 60079-0. Where...
IEC 60095-4 pdf download
IEC 60095-4 pdf download Lead-acid starter batteries – Part 4: Dimensions of batteries for heavy vehicles 1 scope and object This part of lEC 60095 is applicable to lead-acid batteries used for starting， lighting andignition of heavy trucks,commercial vehicles, busses and agricultural trucks. The object of the present standard is to specify global requirements of the main dimensions ofstarter batteries...