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IEC 61010-2-201 Edition 2.0 2017-03 REDLINE VERSION INTERNATIONAL STANDARD Safe

IEC 61010-2-201 Edition 2.0 2017-03 REDLINE VERSION INTERNATIONAL STANDARD Safety requirements for electrical equipment for measurement, control, and laboratory use – Part 2-201: Particular requirements for control equipment INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 17.020; 19.020; 25.040.40 ISBN 978-2-8322-4161-5 ® Registered trademark of the International Electrotechnical Commission ® Warning! Make sure that you obtained this publication from an authorized distributor. colour inside This is a preview - click here to buy the full publication – 2 – IEC 61010-2-201:2017 RLV © IEC 2017 CONTENTS FOREWORD ........................................................................................................................... 5 INTRODUCTION ..................................................................................................................... 8 1 Scope and object ............................................................................................................. 9 2 Normative references .................................................................................................... 11 3 Terms and definitions .................................................................................................... 12 4 Tests ............................................................................................................................. 14 5 Marking and documentation ........................................................................................... 16 6 Protection against electric shock ................................................................................... 17 7 Protection against mechanical HAZARDS ......................................................................... 33 8 Resistance to mechanical stresses ................................................................................ 34 9 Protection against the spread of fire .............................................................................. 36 10 Equipment temperature limits and resistance to heat ..................................................... 37 11 Protection against HAZARDS from fluids .......................................................................... 45 12 Protection against radiation, including laser sources, and against sonic and ultrasonic pressure ........................................................................................................ 45 13 Protection against liberated gases and substances, explosion and implosion ................ 46 14 Components and subassemblies ................................................................................... 46 15 Protection by interlocks ................................................................................................. 47 16 HAZARDS resulting from application ................................................................................ 47 17 RISK assessment ............................................................................................................ 47 Annexes ............................................................................................................................... 49 Annex E (informative) Guideline for reduction of POLLUTION DEGREES ................................... 50 Annex F (normative) ROUTINE TESTS ..................................................................................... 52 Annex L (informative) Index of defined terms ....................................................................... 54 Annex AA (informative) General approach to safety for control equipment ........................... 55 Annex BB (informative) System drawing of isolation boundaries .......................................... 58 Annex CC (informative) Historical techniques for secondary circuits .................................... 69 Annex DD (informative) Cross references between IEC 61010-2-201 and IEC 61010- 1:2010 or IEC 61131-2:2007 ..................................................................................................... Annex DD (normative) Flammability test for magnesium alloy fire ENCLOSUREs or flame barriers (see 9.3.2) ...................................................................................................... 74 Annex EE (informative) Information/documentation and correlation to its uses ..................... 75 Annex FF (informative) Measurement of CLEARANCES and CREEPAGE DISTANCES ................... 77 Bibliography .......................................................................................................................... 79 Figure 101 – Typical interface/port diagram of control equipment .......................................... 19 Figure 102 – Requirements for insulation between separate circuits and between circuits and ACCESSIBLE conductive parts .............................................................................. 25 Figure 103 – Mechanical HAZARDS requirements for, with regard to PANEL MOUNTED EQUIPMENT ............................................................................................................................ 34 Figure 104 – Safety enclosure with HMI installed through a wall Spread of fire HAZARDS, with regard to PANEL MOUNTED EQUIPMENT ............................................................... 37 Figure 105 – General temperature test environment ............................................................. 40 This is a preview - click here to buy the full publication IEC 61010-2-201:2017 RLV © IEC 2017 – 3 – Figure 105 – Panel mounted HMI device extending through the wall of a cabinet ...................... Figure 106 – Vented equipment ............................................................................................ 41 Figure 107 – Non-vented equipment ..................................................................................... 42 Figure 108 – Panel mounted device extending through the wall of a cabinet ......................... 43 Figure AA.1 – Control equipment access and safety concerns .............................................. 55 Figure BB.1 – Typical system ENCLOSURE layout ................................................................... 59 Figure BB.2 – Simplified system schematic ........................................................................... 60 Figure BB.3 – HAZARD situation of the control equipment ....................................................... 61 Figure BB.4 – Application of the standard to the control equipment safety drawing .............. 62 Figure BB.5 – Application of 6.7.1.5 items a) and b) to the control equipment safety drawing ................................................................................................................................. 62 Figure BB.6 – Application of 6.7.1.5 items a), b), c) and d) to the control equipment safety drawing ...................................................................................................................... 63 Figure BB.7 – REINFORCED INSULATION ................................................................................... 64 Figure BB.8 – BASIC INSULATION ............................................................................................. 65 Figure BB.9 – REINFORCED INSULATION, BASIC INSULATION and limiting PROTECTIVE IMPEDANCE ............................................................................................................................ 66 Figure BB.10 – REINFORCED INSULATION from external power supplies ................................... 67 Figure BB.11 – BASIC INSULATION from external power supplies ............................................. 68 Figure EE.1 – Information/documentation for component products ........................................ 75 Figure EE.2 – Information/documentation accumulation and segregation tree for an example installation .............................................................................................................. 76 Figure FF.1 – The path a component mounted to a PWB (side view)..................................... 78 Figure FF.2 – The path a component mounted to a PWB (side view)..................................... 78 Table 101 – Overload test circuit values ............................................................................... 13 Table 102 – Endurance test circuit values ............................................................................. 14 Table 103 – OPERATOR accessibility ACCESSIBLE ports for open and ENCLOSED EQUIPMENT ............................................................................................................................ 18 Table 4 – CLEARANCE and CREEPAGE DISTANCES for MAINS CIRCUITs of OVERVOLTAGE CATEGORY II up to 300 V........................................................................................................ 25 Table 5 – Test voltages for solid insulation between MAINS and between MAINS and secondary circuits OVERVOLTAGE CATEGORY II up to 300 V d................................................... 26 Table 6 – CLEARANCES and test voltages for secondary circuits derived from MAINS CIRCUITs of OVERVOLTAGE CATEGORY II up to 300 V ................................................................ 27 Table 104 – Minimum CREEPAGEs and CLEARANCEs in air of OVERVOLTAGE CATEGORY II up to 1 000 V at FIELD-WIRING TERMINALSd,e .......................................................................... 28 Table 105 – Drop tests .............................................................................................................. Table 19 – Surface temperature limits, under NORMAL CONDITIONs ......................................... 34 Table E.1 – Environmental situations .................................................................................... 44 Table E.2 – Reduction of POLLUTION DEGREES (PD) ............................................................... 45 Table CC.1 – Limits of output current and output power for inherently limited power sources ................................................................................................................................. 64 Table CC.2 – Limits of output current, output power and RATINGS for over-current protective devices for non-inherently limited power sources .................................................. 65 Table DD.1 – Cross-references between IEC 61010-2-201 and IEC 61010-1 or IEC 61131-2 ............................................................................................................................. This is a preview - click here to buy the full publication – 4 – IEC 61010-2-201:2017 RLV © IEC 2017 Table FF.1 – Dimensions of X ............................................................................................... 69 This is a preview - click here to buy the full publication IEC 61010-2-201:2017 RLV © IEC 2017 – 5 – INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________ SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE – Part 2-201: Particular requirements for control equipment FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. This redline version of the official IEC Standard allows the user to identify the changes made to the previous edition. A vertical bar appears in the margin wherever a change has been made. Additions are in green text, deletions are in strikethrough red text. This is a preview - click here to buy the full publication – 6 – IEC 61010-2-201:2017 RLV © IEC 2017 International Standard IEC 61010-2-201 has been prepared by IEC technical committee 65: Industrial-process measurement, control and automation. The text of this standard is based on the uploads/s1/info-iec61010-2-201-ed2-0-rlv-en.pdf