ДСТУ EN ISO 13849-1:2016 Безопасность машин. Детали систем управления, связанные с обеспечением безопасности. Часть 1. Общие принципы проектирования (EN 13849-1:2015, IDT; ISO 13849-1:2015, IDT)

ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ

Державне підприємство
«Український науково-дослідний і навчальний центр
проблем стандартизації, сертифікації та якості»
(   
(ДП «УкрНДНЦ»))

Наказ від 20.07.2016 № 209

EN ISO 13849-1:2015

Safety of machinery — Safety-related parts of control systems —
Part 1: General principles for design
(ISO 13849-1:2015)

прийнято як національний стандарт
методом «підтвердження» за позначенням
 

ДCТУ EN ISO 13849-1:2016
(EN 13849-1:2015, IDT; ISO 13849-1:2015, IDT)

Безпечність машин. Деталі систем управління, пов’язані з
забезпеченням безпеки. Частина 1. Загальні принципи проектування

З наданням чинності від 2016-07-22

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms, definitions, symbols and abbreviated terms

3.1 Terms and definitions

3.2 Symbols and abbreviated terms

4 Design considerations

4.1 Safety objectives in design

4.2 Strategy for risk reduction

4.2.1 General

4.2.2 Contribution to the risk reduction by the control system

4.3 Determination of required performance level (PLr)

4.4 Design of SRP/CS

4.5 Evaluation of the achieved performance level PL and relationship with SIL

4.5.1 Performance level PL

4.5.2 Mean time to dangerous failure of each channel (MTTFD)

4.5.3 Diagnostic coverage (DC)

4.5.4 Simplified procedure for estimating the quantifiable aspects of PL

4.5.5 Description of the output part of the SRP/CS by category

4.6 Software safety requirements

4.6.1 General

4.6.2 Safety-related embedded software (SRESW)

4.6.3 Safety-related application software (SRASW)

4.6.4 Software-based parameterization

4.7 Verification that achieved PL meets PLr

4.8 Ergonomic aspects of design

5 Safety functions

5.1 Specification of safety functions

5.2 Details of safety functions

5.2.1 Safety-related stop function

5.2.2 Manual reset function

5.2.3 Start/restart function

5.2.4 Local control function

5.2.5 Muting function

5.2.6 Response time

5.2.7 Safety–related parameters

5.2.8 Fluctuations, loss and restoration of power sources

6 Categories and their relation to MTTFD of each channel, DCavg and CCF

6.1 General

6.2 Specifications of categories

6.2.1 General

6.2.2 Designated architectures

6.2.3 Category B

6.2.4 Category 1

6.2.5 Category 2

6.2.6 Category 3

6.2.7 Category 4

6.3 Combination of SRP/CS to achieve overall PL

7 Fault consideration, fault exclusion

7.1 General

7.2 Fault consideration

7.3 Fault exclusion

8 Validation

9 Maintenance

10 Technical documentation

11 Information for use

Annex A (informative) Determination of required performance level (PLr)

Annex B (informative) Block method and safety-related block diagram

Annex C (informative) Calculating or evaluating MTTFD values for single components

Annex D (informative) Simplified method for estimating MTTFD for each channel

Annex E (informative) Estimates for diagnostic coverage (DC) for functions and modules

Annex F (informative) Estimates for common cause failure (CCF)

Annex G (informative) Systematic failure

Annex H (informative) Example of combination of several safety-related partsof the control system

Annex I (informative) Examples

Annex J (informative) Software

Annex K (informative) Numerical representation of Figure 5

Bibliography