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eLibrary > BS EN 60204-1:2018 - TC Tracked Changes. Safety of machinery. Electrical equipment of machines - General requirements >

BS EN 60204-1:2018 - TC Tracked Changes. Safety of machinery. Electrical equipment of machines - General requirements, 2019

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BS EN 60204-1:2018 - TC Tracked Changes. Safety of machinery. Electrical equipment of machines - General requirements, 2019

BS EN 60204-1:2018 to BS EN 60204-1:2006+A1:2009 [Go to Page]
Compliance with a British Standard cannot confer immunity from legal obligations.
Amendments/corrigenda issued since publication [Go to Page]
Sécurité des machines – Equipement Équipement électrique des machines Partie 1: RèglesExigences générales [Go to Page]
Central Secretariat: rue CEN-CENELEC Management Centre: de Stassart 35, la Science 23 B - 10501040 Brussels
European Fforeword [Go to Page]
Endorsement notice
Foreword to amendment A1
Endorsement notice [Go to Page]
Table ZZA.1 – Correspondence between this European Standard and Annex 1 of Directive 2006/42/EC [2006 OJ L 157]
7
Table ZZB.1 – Correspondence between this European Standard and Annex I of Directive 2014/35/EU [2014 OJ L96]
9
CONTENTS
INTERNATIONAL ELECTROTECHNICAL COMMISSION
SAFETY OF MACHINERY – [Go to Page]
FOREWORD [Go to Page]
INTRODUCTION [Go to Page]
Figure 1 – Block diagram of a typical machine
SAFETY OF MACHINERY –
ELECTRICAL EQUIPMENT OF MACHINES –
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms [Go to Page]
3.1 Terms and definitions [Go to Page]
3.13.1.1
3.23.1.2
3.33.1.3
3.1.4
3.43.1.5 [Go to Page]
3.53.1.6
3.63.1.7
3.1.8 [Go to Page]
3.73.1.9
3.83.1.10
3.83.1.11
3.1.12 [Go to Page]
3.103.1.13
3.113.1.14
3.123.1.15
3.133.1.16
3.143.1.17
3.1.18 [Go to Page]
3.153.1.19
3.163.1.20
3.173.1.21
3.183.1.22
3.193.1.23
3.203.1.24
3.213.1.25
3.223.1.26
3.233.1.27
3.243.1.28
3.253.1.29
3.263.1.30
3.1.31 [Go to Page]
3.273.1.32
3.283.1.33
3.293.1.34
3.303.1.35
3.313.1.36
3.323.1.37
3.333.1.38
3.343.1.39
3.353.1.40
3.363.1.41
3.373.1.42
3.383.1.43
3.393.1.44
3.403.1.45
3.413.1.46
3.423.1.47
3.1.48 [Go to Page]
3.433.1.49
3.443.1.50
3.453.1.51
3.463.1.52
3.473.1.53
3.483.1.54
3.483.1.55
3.503.1.56
3.1.57 [Go to Page]
3.513.1.58
3.523.1.59
3.1.60 [Go to Page]
3.533.1.61
3.543.1.62
3.553.1.63
3.563.1.64
3.573.1.65
3.2 Abbreviated terms
4 General requirements [Go to Page]
4.1 General
4.2 Selection of equipment
4.2.2 Electrical equipment in compliance with the EN 60439 series Switchgear
4.3 Electrical supply
4.3.1 General
4.3.2 AC supplies
4.3.3 DC supplies
4.3.4 Special supply systems
4.4 Physical environment and operating conditions
4.4.1 General
4.4.2 Electromagnetic compatibility (EMC)
4.4.3 Ambient air temperature
4.4.4 Humidity [Go to Page]
4.4.5 Altitude
4.4.6 Contaminants
4.4.7 Ionizing and non-ionizing radiation
4.4.8 Vibration, shock, and bump
4.5 Transportation and storage [Go to Page]
4.6 Provisions for handling
4.7 Installation
5 Incoming supply conductor terminations and devices for disconnecting and switching off [Go to Page]
5.1 Incoming supply conductor terminations
5.2 Terminal for connection tof the external protective earthing system conductor
Table 1 – Minimum cross-sectional area of the external protective copper conductor protective conductors
5.3 Supply disconnecting (isolating) device
5.3.1 General [Go to Page]
5.3.2 Type
5.3.3 Requirements [Go to Page]
5.3.4 Operating means of the supply disconnecting device
Figure 2 – Disconnector isolator [Go to Page]
5.3.5 Excepted circuits
5.4 Devices for switching off removal of power for prevention of unexpected start-up [Go to Page]
5.5 Devices for disconnecting isolating electrical equipment
5.6 Protection against unauthorized, inadvertent and/or mistaken connection
6 Protection against electric shock [Go to Page]
6.1 General
6.2 Protection against direct contact Basic protection
6.2.1 General [Go to Page]
6.2.2 Protection by enclosures
6.2.3 Protection by insulation of live parts [Go to Page]
6.2.4 Protection against residual voltages
6.2.5 Protection by barriers
6.2.6 Protection by placing out of reach or protection by obstacles
6.3 Protection against indirect contact Fault protection [Go to Page]
6.3.2 Prevention of the occurrence of a touch voltage
6.3.2.2 Protection by provision of class II equipment or by equivalent insulation [Go to Page]
6.3.2.3 Protection by electrical separation
6.3.3 Protection by automatic disconnection of supply
6.4 Protection by the use of PELV
6.4.1 General requirements
6.4.2 Sources for PELV
7 Protection of equipment [Go to Page]
7.1 General
7.2 Overcurrent protection
7.2.2 Supply conductors
7.2.3 Power circuits
7.2.4 Control circuits
7.2.5 Socket outlets and their associated conductors
7.2.6 Lighting circuits
7.2.7 Transformers
7.2.8 Location of overcurrent protective devices
7.2.9 Overcurrent protective devices
7.2.10 Rating and setting of overcurrent protective devices
7.3 Protection of motors against overheating
7.3.2 Overload protection
7.3.3 Over-temperature protection
7.3.4 Current limiting protection
7.4 Abnormal temperature protection Protection against abnormal temperature
7.5 Protection against the effects of supply interruption or voltage reduction and subsequent restoration
7.6 Motor overspeed protection
7.7 Earth Additional earth fault/residual current protection
7.8 Phase sequence protection
7.9 Protection against overvoltages due to lightning and to switching surges
7.10 Short-circuit current rating
8 Equipotential bonding [Go to Page]
8.1 General
Figure 24 – Example of equipotential bonding for electrical equipment of a machine
8.2 Protective bonding circuit
8.2.1 General
8.2.2 Protective conductors
8.2.3 Continuity of the protective bonding circuit
8.2.4 Exclusion of switching devices from the protective bonding circuit
8.2.5 Parts that need not be connected to the protective bonding circuit
8.2.68.2.4 Protective conductor connecting points
Figure 5 – Symbol IEC 60417-5019: Protective earth [Go to Page]
8.2.78.2.5 Mobile machines
8.2.88.2.6 Additional protective bonding requirements for electrical equipment having earth leakage currents higher than 10 mA a.c. or d.c.
8.48.3 Measures to limit restrict the effects of high leakage current
8.38.4 Functional bonding
Figure 6 – Symbol IEC 60417-5020: Frame or chassis
9 Control circuits and control functions [Go to Page]
9.1 Control circuits
9.1.2 Control circuit voltages
9.1.3 Protection
9.2 Control functions
9.2.1 General [Go to Page]
9.2.1 Start functions
9.2.2 Stop Categories of stop functions
9.2.3 Operating modes
9.2.4 Suspension of safety functions and/or protective measures
9.2.59.2.3 Operation
9.2.5.29.2.3.2 Start
9.2.5.39.2.3.3 Stop
9.2.5.49.2.3.4 Emergency operations (emergency stop, emergency switching off)
9.2.5.4.29.2.3.4.2 Emergency stop
9.2.5.4.3.9.2.3.4.3 Emergency switching off
9.2.3.5 Operating modes [Go to Page]
9.2.5.59.2.3.6 Monitoring of command actions
9.2.6 Other control functions
9.2.6.29.2.3.8 Two-hand control
9.2.6.39.2.3.9 Enabling control
9.2.6.49.2.3.10 Combined start and stop controls
9.2.79.2..4 Cableless control system (CCS)
9.2.4.2 Monitoring the ability of a cableless control system to control a machine
9.2.4.3 Control limitation
9.2.4.4 Use of multiple cableless operator control stations
9.2.4.5 Portable cableless operator control stations [Go to Page]
9.2.7.2 Control limitation
9.2.7.3 Stop
9.2.7.4 Use of more than one operator control station [Go to Page]
9.2.4.6 Deliberate disabling of cableless operator control station
9.2.4.7 Emergency stop devices on portable cableless operator control stations
9.2.4.8 Emergency stop reset [Go to Page]
9.2.7.5 Battery-powered operator control stations
9.3 Protective interlocks
9.3.2 Exceeding operating limits
9.3.3 Operation of auxiliary functions
9.3.4 Interlocks between different operations and for contrary motions
9.3.5 Reverse current braking
9.3.6 Suspension of safety functions and/or protective measures [Go to Page]
9.4 Control functions in the event of failure
9.4.2 Measures to minimize risk in the event of failure
9.4.2.29.4.2.3 Provisions of partial or complete redundancy
9.4.2.39.4.2.4 Provision of diversity
9.4.2.49.4.2.5 Provision for functional tests
9.4.3 Protection against maloperation due to earth faults, voltage interruptions and loss malfunction of circuit continuity control circuits
9.4.3.1.2 Method a) – Earthed control circuits fed by transformers
Figure 7 – Method a) Earthed control circuit fed by a transformer
9.4.3.1.3 Method b) – Non-earthed control circuits fed by transformers
Figure 8 – Method b1) Non-earthed control circuit fed by transformer
Figure 9 – Method b2) Non-earthed control circuit fed by transformer
Figure 10 – Method b3) Non-earthed control circuit fed by transformer
9.4.3.1.4 Method c) – Control circuits fed by transformer with an earthed centre-tap winding [Go to Page]
Figure 3 – Method a)
Figure 4 – Method b)
Figure 12 – Method d1a) Control circuit without transformer connected between a phase and the neutral of an earthed supply system
Figure 13 – Method d1b) Control circuit without transformer connected between two phases of an earthed supply system
Figure 14 – Method d2a) Control circuit without transformer connected between phase and neutral of a non-earthed supply system [Go to Page]
9.4.3.3 Loss of circuit continuity
10 Operator interface and machine-mounted control devices [Go to Page]
10.1 General
10.1.2 Location and mounting
10.1.3 Protection
10.1.4 Position sensors
10.1.5 Portable and pendant control stations
10.2 Push-buttons Actuators
Table 2 – Colour-coding for push-button actuators and their meanings
10.2.2 Markings
Table 32 – Symbols for push-buttonsactuators (Power)
10.3 Indicator lights and displays
10.3.2 Colours
Table 4 – Colours for indicator lights and their meanings with respect to the condition of the machine
10.3.3 Flashing lights and displays
10.4 Illuminated push-buttons
10.5 Rotary control devices
10.6 Start devices
10.7 Emergency stop devices
10.7.2 Types of emergency stop device
10.7.3 Colour of actuators
10.7.410.7.3 Local operation Operation of the supply disconnecting device to effect emergency stop
10.8 Emergency switching off devices
10.8.3 Colour of actuators
10.8.2 Types of emergency switching off device [Go to Page]
10.8.410.8.3 Local operation of the supply disconnecting device to effect emergency switching off
10.9 Enabling control device
11 Controlgear: location, mounting, and enclosures [Go to Page]
11.1 General requirements
11.2 Location and mounting
11.2.2 Physical separation or grouping
11.2.3 Heating effects
11.3 Degrees of protection
11.4 Enclosures, doors and openings
11.5 Access to controlgear electrical equipment
12 Conductors and cables [Go to Page]
12.1 General requirements
12.2 Conductors
Table 5 – Minimum cross-sectional areas of copper conductors
12.3 Insulation
12.4 Current-carrying capacity in normal service
Table 6 – Examples of current-carrying capacity (Iz) of PVC insulated copper conductors or cables under steady-state conditions in an ambient air temperature of +40 C for different methods of installation
12.5 Conductor and cable voltage drop
12.6 Flexible cables
12.6.2 Mechanical rating
12.6.3 Current-carrying capacity of cables wound on drums
Table 7 – Derating factors for cables wound on drums
12.7 Conductor wires, conductor bars and slip-ring assemblies
12.7.2 Protective conductor circuit conductors
12.7.3 Protective conductor current collectors
12.7.4 Removable current collectors with a disconnector function
12.7.5 Clearances in air
12.7.6 Creepage distances
12.7.7 Conductor system sectioning
12.7.8 Construction and installation of conductor wire, conductor bar systems and slip-ring assemblies
13 Wiring practices [Go to Page]
13.1 Connections and routing
13.1.2 Conductor and cable runs
13.1.3 Conductors of different circuits
13.1.4 AC circuits – Electromagnetic effects (prevention of eddy currents) [Go to Page]
13.1.413.1.5 Connection between pick-up and pick-up converter of an inductive power supply system
13.2 Identification of conductors
13.2.2 Identification of the protective conductor/ protective bonding conductor
Figure 16 – Symbol IEC 60417-5019
Figure 17 – Symbol IEC 60417-5021 [Go to Page]
13.2.3 Identification of the neutral conductor
13.2.4 Identification by colour
13.3 Wiring inside enclosures
13.4 Wiring outside enclosures
13.4.2 External ducts
13.4.3 Connection to moving elements of the machine
Table 8 – Minimum permitted bending radii for the forced guiding of flexible cables
13.4.4 Interconnection of devices on the machine
13.4.5 Plug/socket combinations
13.4.6 Dismantling for shipment
13.4.7 Additional conductors
13.5 Ducts, connection boxes and other boxes
13.5.2 Percentage fill of ducts
13.5.313.5.2 Rigid metal conduit and fittings
13.5.413.5.3 Flexible metal conduit and fittings
13.5.513.5.4 Flexible non-metallic conduit and fittings
13.5.613.5.5 Cable trunking systems
13.5.713.5.6 Machine compartments and cable trunking systems
13.5.813.5.7 Connection boxes and other boxes
13.5.913.5.8 Motor connection boxes
14 Electric motors and associated equipment [Go to Page]
14.1 General requirements
14.2 Motor enclosures
14.3 Motor dimensions
14.4 Motor mounting and compartments
14.5 Criteria for motor selection
14.6 Protective devices for mechanical brakes
15 Accessories Socket-outlets and lighting [Go to Page]
15.1 Accessories Socket-outlets for accessories
15.2 Local lighting of the machine and equipment
15.2.2 Supply
15.2.3 Protection
15.2.4 Fittings
16 Marking, warning signs and reference designations [Go to Page]
16.1 General
16.2 Warning signs
Figure 18 – Symbol ISO 7010-W012 [Go to Page]
16.2.2 Hot surfaces hazard
Figure 19 – Symbol ISO 7010-W017 [Go to Page]
16.3 Functional identification
16.4 Marking of enclosures of electrical equipment
16.5 Reference designations
17 Technical documentation [Go to Page]
17.1 General
17.2 Information related to be provided the electrical equipment
17.3 Requirements applicable to all documentation
17.4 Installation documents
17.5 Overview diagrams and function diagrams
17.6 Circuit diagrams
17.7 Operating manual
17.8 Maintenance manual
17.9 Parts list
18 Verification [Go to Page]
18.1 General
18.2 Verification of conditions for protection by automatic disconnection of supply
18.2.2 Test methods in TN-systems
18.2.2 Test 1 – Verification of the continuity of the protective bonding circuit
18.2.3 Test 2 – Fault loop impedance verification and suitability of the associated overcurrent protective device
18.2.318.2.4 Application of the test methods for TN-systems
Table 9 – Application of the test methods for TN-systems
Table 10 – Examples of maximum cable length lengths from each protective device devices to its load their loads for TN-systems
18.4 Voltage tests
18.5 Protection against residual voltages
18.6 Functional tests
18.7 Retesting
Annex A [Go to Page]
(normative)
A.1 Fault protection for machines supplied from TN-systems [Go to Page]
A.1A.1.1 General [Go to Page]
Table A.1 – Maximum disconnecting times for TN systems
A.2A.1.2 Conditions for protection by automatic disconnection of the supply by overcurrent protective devices
A.3A.1.3 Condition for protection by reducing the touch voltage below 50 V
A.4A.1.4 Verification of conditions for protection by automatic disconnection of the supply [Go to Page]
A.4.1A.1.4.1 General
A.4.2A.1.4.2 Measurement of the fault loop impedance
A.4.3 Consideration of the difference between the measured value of resistance of the conductors and the actual value under fault conditions
Figure A.1 – Typical arrangement for fault loop impedance (Zs) measurement in TN systems
A.2 Fault protection for machines supplied from TT-systems [Go to Page]
A.2.1 Connection to earth
A.2.2 Fault protection for TT systems
A.2.2.1 General
A.2.2.2 Protection by residual current protective device (RCD)
A.2.2.3 Protection by overcurrent protective devices
Table A.2 – Maximum disconnecting time for TT-systems
A.2.4 Measurement of the fault loop impedance (Zs)
Figure A.4 – Typical arrangement for fault loop impedance (Zs) measurement for power drive system circuits in TT systems
Annex B [Go to Page]
(informative)
Annex C [Go to Page]
(informative)
Annex D [Go to Page]
(informative)
D.1 General [Go to Page]
D.1D.2 General operating conditions [Go to Page]
D.1.1D.2.1 Ambient air temperature
Table D.1 – Correction factors
Figure D.1 – Methods of conductor and cable installation independent of number of conductors/cables
Table D.2 – Derating factors from Iz for grouping
D.1.4D.2.4 Classification of conductors
Figure D.2 – Parameters of conductors and protective devices
D.3D.4 Overcurrent protection of conductors [Go to Page]
Table D.5 – Maximum allowable conductor temperatures under normal and short-circuit conditions
D.5 Effect of harmonic currents on balanced three-phase systems
Annex E [Go to Page]
(informative) [Go to Page]
• Emergency operation
• Emergency stop
• Emergency start
• Emergency switching off
• Emergency switching on
Annex F [Go to Page]
(informative)
Guide for the use of this part of IEC 60204 [Go to Page]
F.1 General [Go to Page]
Table F.1 – Application options
Annex G [Go to Page]
(informative) [Go to Page]
Table G.1 – Comparison of conductor sizes
Annex ZA [Go to Page]
(normative)
Annex ZZ [Go to Page]
(informative)
Annex H [Go to Page]
(informative) [Go to Page]
H.1 Definitions [Go to Page]
H.1.1 apparatus
H.1.2 fixed installation
H.2 General
H.3 Mitigation of electromagnetic interference (EMI) [Go to Page]
H.3.1 General
H.3.2 Measures to reduce EMI
Figure H.1 – By-pass conductor for screen reinforcement
H.4 Separation and segregation of cables [Go to Page]
Table H.1 – Minimum separation distances using metallic containment as illustrated in Figure H.2
Figure H.3 – Examples of horizontal separation and segregation
Figure H.4 – Cable arrangements in metal cable trays
Figure H.6 – Interruption of metal cable trays at fire barriers
H.6 Supply impedance where a Power Drive System (PDS) is used
Annex I [Go to Page]
(informative)
Documentation / Information [Go to Page]
Bibliography
Index
Tracked_Changes_Cover_Markup_new.pdf [Go to Page]
compares BS EN 60204-1:2018
Incorporating corrigendum November 2018 [Go to Page]
TRACKED CHANGES
Test example 1
Version_Comparison.pdf [Go to Page]
BS EN 60204-1:2018 to BS EN 60204-1:2006+A1:2009
30387425.pdf [Go to Page]
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Blank Page [Go to Page]

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