ДСТУ EN 60204-1:2014 Безпечність машин. Електрообладнання машин. Частина 1. Загальні вимоги

CONTENTS

FOREWORD

INTRODUCTION

1 Scope 

2 Normative references

3 Definitions

4 General requirements

4.1 General considerations

4.2 Selection of equipment

4.3 Electrical supply

4.4 Physical environment and operating conditions

4.5 Transportation and storage

4.6 Provisions for handling

4.7 Installation

5 Incoming supply conductor terminations and devices for disconnecting and switching off

5.1 Incoming supply conductor terminations     

5.2 Terminal for connection to the external protective earthing system         

5.3 Supply disconnecting (isolating) device

5.4 Devices for switching off for prevention of unexpected start-up

5.5 Devices for disconnecting electrical equipment

5.6 Protection against unauthorized, inadvertent and/or   mistaken connection

6 Protection against electric shock

6.1 General

6.2 Protection against direct contact

6.3 Protection against indirect contact

6.4 Protection by the use of PELV

7 Protection of equipment

7.1 General

7.2 Overcurrent protection

7.3 Protection of motors against overheating

7.4 Abnormal temperature protection

7.5 Protection against supply interruption or voltage reduction and subsequent restoration

7.6 Motor overspeed protection

7.7 Earth fault/residual current protection

7.8 Phase sequence protection

7.9 Protection against overvoltages due to lightning and to switching surges

8 Equipotential bonding

8.1 General

8.2 Protective bonding circuit

8.3 Functional bonding

8.4 Measures to limit the effects of high leakage current

9 Control circuits and control functions

9.1 Control circuits

9.2 Control functions

9.3 Protective interlocks

9.4 Control functions in the event of failure

10 Operator interface and machine-mounted control devices

10.1 General

10.2 Push-buttons

10.3 Indicator lights and displays

10.4 Illuminated push-buttons

10.5 Rotary control devices

10.6 Start devices

10.7 Emergency stop devices

10.8 Emergency switching off devices

10.9 Enabling control device

11 Controlgear: location, mounting, and enclosures

11.1 General requirements

11.2 Location and mounting

11.3 Degrees of protection

11.4 Enclosures, doors and openings

11.5 Access to controlgear

12 Conductors and cables

12.1 General requirements

12.2 Conductors

12.3 Insulation

12.4 Current-carrying capacity in normal service

12.5 Conductor and cable voltage drop

12.6 Flexible cables

12.7 Conductor wires, conductor bars and slip-ring assemblies

13 Wiring practices

13.1 Connections and routing

13.2 Identification of conductors

13.3 Wiring inside enclosures

13.4 Wiring outside enclosures

13.5 Ducts, connection boxes and other boxes

14 Electric motors and associated equipment

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 and lighting

15.1 Accessories

15.2 Local lighting of the machine and equipment

16 Marking, warning signs and reference designations

16.1 General

16.2 Warning signs

16.3 Functional identification

16.4 Marking of equipment

16.5 Reference designations

17 Technical documentation

17.1 General

17.2 Information to be provided

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

18.1 General

18.2 Verification of conditions for protection by automatic disconnection of supply

18.3 Insulation resistance tests

18.4 Voltage tests

18.5 Protection against residual voltages

18.6 Functional tests

18.7 Retesting

Annex A (normative) Protection against indirect contact in TN-systems

Annex В (informative) Enquiry form for the electrical equipment of machines

Annex С (informative) Examples of machines covered by this part of ІЕС 60204

Annex D (informative) Current-carrying capacity and overcurrent protection of conductors and cables in the electrical equipment of machines 

Annex E (informative) Explanation of emergency operation functions

Annex F (informative) Guide for the use of this part of ІЕС 60204

Annex G (informative) Comparison of typical conductor cross-sectional areas

Bibliography

Index

Figure 1 - Block diagram of a typical machine

Figure 2 - Example of equipotential bonding for electrical equipment of a machine

Figure 3 - Method a)

Figure 4 - Method b)

Figure A.1 - Typical arrangement for fault loop impedance measurement

Figure D.1 - Methods of conductor and cable installation independent of number of conductors/cables

Figure D.2 - Parameters of conductors and protective devices

Table 1 - Minimum cross-sectional area of the external protective copper conductor

Table 2 - Colour-coding for push-button actuators and their meanings

Table 3 - Symbols for push-buttons

Table 4 - Colours for indicator lights and their meanings with respect to the condition of the machine

Table 5 - Minimum cross-sectional     areas of copper conductors

Table 6 - Examples of current-carrying capacity (7_Z) of PVC insulated copper conductors or cables under steady-state conditions in an ambient air temperature of +40 °С for different methods of installation

Table 7 - Derating factors for cables wound on drums

Table 8 - Minimum permitted bending radii for the forced guiding of flexible cables

Table 9 - Application of the test methods for TN-systems

Table 10 - Examples of maximum cable length from each protective device to its load

Table A.1 - Maximum disconnecting times for TN systems

Table D.1 - Correction factors

Table D.2 - Derating factors from I_z for grouping

Table D.3 - Derating factors from I_z for multicore cables up to 10 mm²

Table D.4 - Classification of conductors

Table D.5 - Maximum allowable conductor temperatures under normal and short-circuit conditions

Table F.1 - Application options

Table G.1 - Comparison of conductor sizes