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BS EN IEC 61010-2-201:2018

BS EN IEC 61010-2-201:2018

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Safety requirements for electrical equipment for measurement, control, and laboratory use – Particular requirements for control equipment

Published By Publication Date Number of Pages
BSI 2018 80
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This clause of Part 1 is applicable, except as follows.

1.1.1 Equipment included in scope

Replacement:

  • This part of IEC 61010 specifies safety requirements and related verification tests for any product performing the function of control equipment and/or their associated peripherals. In addition, these products have as their intended use the command and control of machines, automated manufacturing and industrial processes, e.g. discrete and continuous control. Some equipment examples are: programmable logic controller (PLC);

  • programmable automation controller (PAC);

  • distributed control systems (DCS);

  • remote I/O;

  • industrial PC (computers) and panel PC;

  • programming and debugging tools (PADTs);

  • displays and human-machine interfaces (HMI);

  • positioners.

Components of the above named equipment and in the scope of this standard are:

  • (auxiliary) stand-alone power supplies;

  • peripherals such as digital and analogue I/O, remote-I/O;

  • industrial network equipment.

Control equipment and their associated peripherals are intended to be used in an industrial environment and may be provided as open or enclosed equipment.

NOTE 1

Control equipment intended also for use in other environments or for other purposes (example: for use in building installations to control light or other electrical installations, or for use on cars, trains or ships) can have additional conformity requirements defined by the safety standard(s) for these applications. These requirements can involve as example: insulation, spacings and power restrictions.

NOTE 2

Computing devices and similar equipment within the scope of IEC 60950 (planned to be replaced by IEC 62368 ) and conforming to its requirements are considered to be suitable for use with control equipment within the scope of this standard. However, some of the requirements of IEC 60950 for resistance to moisture and liquids are less stringent than those in IEC 61010ā€‘1:2010, 5.4.4 second paragraph.

Control equipment covered in this standard is intended for use in overvoltage category II, III and IV ( IEC 60664ā€‘1 ) in low-voltage installations, where the rated equipment supply voltage does not exceed AC. 1 000 V r.m.s. (50/60 Hz), or DC 1 000 V.

The requirements of ISO/IEC Guide 51 and IEC Guide 104 , as they relate to this part of IEC 61010 , are incorporated herein.

1.1.2 Equipment excluded from scope

Replacement:

This standard does not deal with aspects of the overall automated system, e.g. a complete assembly line. Control equipment (e.g. DCS and PLC), their application program and their associated peripherals are considered as components (components in this context are items which perform no useful function by themselves) of an overall automated system.

Since control equipment (e.g. DCS and PLC) are component devices, safety considerations for the overall automated system including installation and application are beyond the scope of this standard. Refer to IEC 60364 series of standards or applicable national/local regulations for electrical installation and guidelines.

1.2.1 Aspects included in scope

Replacement:

The purpose of the requirements of this standard is to ensure that all hazards to the operator, service personnel and the surrounding area are reduced to a tolerable level.

NOTE 1

By using the terms ” operator” and ” service personnel” this standard considers the perception of hazards depending on training and skills. Annex AA gives a general approach in this regard.

Requirements for protection against particular types of hazard are given in Clauses 6 to 17, as follows:

  1. electric shock or burn (see Clause 6);

  2. mechanical HAZARDS (see Clauses 7 and 8);

  3. spread of fire from the control equipment (see Clause 9);

  4. excessive temperature (see Clause 10);

  5. effects of fluids and fluid pressure (see Clause 11);

  6. effects of radiation, including lasers sources, and sonic and ultrasonic pressure (see Clause 12);

  7. liberated gases, explosion and implosion (see Clause 13);

  8. arising from reasonably foreseeable misuse and ergonomic factors are specified in (see Clause 16);

  9. RISK assessment for hazards or environments not fully covered above (see Clause 17).

NOTE 2

Attention is drawn to the existence of additional requirements regarding the health and safety of labour forces.

1.2.2 Aspects excluded from scope

Replacement:

This standard does not cover:

  1. reliability, functionality, performance, or other properties of the control equipment not related to safety;

  2. mechanical or climatic requirements for operation, transport or storage;

  3. EMC requirements (see e.g. IEC 61326 or IEC 61131ā€‘2 );

  4. protective measures for explosive atmospheres (see e.g. IEC 60079 series);

  5. functional safety (see e.g. IEC 61508 , IEC 61131ā€‘6 ).

PDF Catalog

PDF Pages PDF Title
2 undefined
10 Annex ZZ (informative)Relationship between this European standard and the safety objectives of Directive 2014/35/EU [2014 OJ L96] aimed to be covered
12 English
CONTENTS
14 FOREWORD
16 INTRODUCTION
17 1 Scope and object
19 2 Normative references
3 Terms and definitions
22 4 Tests
Tables
Table 101 ā€“ Overload test circuit values
23 5 Marking and documentation
Table 102 ā€“ Endurance test circuit values
24 6 Protection against electric shock
26 Figures
Figure 101 ā€“ Typical interface/port diagram of control equipment
27 Table 103 ā€“ operator accessible ports for open and enclosed equipment
32 Figure 102 ā€“ Requirements for insulation between separate circuits and between circuits and accessible conductive parts
34 Table 4 ā€“ Clearance and creepage distances for mains circuits ofovervoltage category II up to 300 V
35 Table 5 ā€“ Test voltages for solid insulation between mains and between mains and secondary circuits overvoltage category ii up to 300 V d
36 Table 6 ā€“ Clearances and test voltages for secondary circuits derived from mains circuits of overvoltage category ii up to 300 V
37 Table 104 ā€“ Minimum creepage and clearance in air of overvoltagecategory II up to 1 000 V at field-wiring terminalsd, e
38 7 Protection against mechanical hazards
Figure 103 ā€“ Mechanical hazards, with regard to panel mounted equipment
39 8 Resistance to mechanical stresses
40 9 Protection against the spread of fire
Figure 104 ā€“ Spread of fire hazards, with regard to panel mounted equipment
41 10 Equipment temperature limits and resistance to heat
Table 19 ā€“ Surface temperature limits, under normal condition
43 Figure 105 ā€“ General temperature test environment
44 Figure 106 ā€“ Vented equipment
45 Figure 107 ā€“ Non-vented equipment
46 Figure 108 ā€“ Panel mounted device extending through the wall of a cabinet
47 11 Protection against hazards from fluids
12 Protection against radiation, including laser sources, and against sonic and ultrasonic pressure
13 Protection against liberated gases and substances, explosion and implosion
48 14 Components and subassemblies
49 15 Protection by interlocks
16 hazards resulting from application
17 risk assessment
50 Annexes
51 Annex E (informative) Guideline for reduction of pollution degrees
Table E.1 ā€“ Environmental situations
52 Table E.2 ā€“ Reduction of pollution degrees (PD)
53 Annex F (normative) routine tests
55 Annex L (informative) Index of defined terms
56 Annex AA (informative) General approach to safety for control equipment
Figure AA.1 ā€“ Control equipment access and safety concerns
58 Annex BB (informative) System drawing of isolation boundaries
59 Figure BB.1 ā€“ Typical system enclosure layout
60 Figure BB.2 ā€“ Simplified system schematic
61 Figure BB.3 ā€“ hazard situation of the control equipment
62 Figure BB.4 ā€“ Application of the standard to the control equipment safety drawing
Figure BB.5 ā€“ Application of 6.7.1.5 items a) and b) to the control equipment safety drawing
63 Figure BB.6 ā€“ Application of 6.7.1.5 items a), b), c) and d) to the control equipment safety drawing
64 Figure BB.7 ā€“ reinforced insulation
65 Figure BB.8 ā€“ basic insulation
66 Figure BB.9 ā€“ reinforced insulation, basic insulation and protective impedance
67 Figure BB.10 ā€“ reinforced insulation from external power supplies
68 Figure BB.11 ā€“ basic insulation from external power supplies
69 Annex CC (informative) Historical techniques for secondary circuits
71 Table CC.1 ā€“ Limits of output current and output power for inherently limited power sources
72 Table CC.2 ā€“ Limits of output current, output power and ratings for over-current protective devices for non-inherently limited power sources
73 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
Figure EE.1 ā€“ Information/documentation for component products
75 Figure EE.2 ā€“ Information/documentation accumulation and segregation tree for an example installation
76 Annex FF (informative) Measurement of clearances and creepage distances
Table FF.1 ā€“ Dimensions of X
77 Figure FF.1 ā€“ The path a component mounted to a PWB (side view)
Figure FF.2 ā€“ The path a component mounted to a PWB (side view)
78 Bibliography

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BS EN IEC 61010-2-201:2018
$215.11