SAFETY OF MACHINERY - GUIDELINES FOR THE USE OF COMMUNICATION SYSTEMS IN SAFETY-RELATED APPLICATIONS
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Management of functional safety
4.1 Requirements of IEC 62061
5 Realisation of a safety-related electrical control system
(SRECS) using a safetyrelated communication system
6 Planning of the safety-related communication system
6.1 System design
6.1.1 Safety integrity level (SIL) assigned to the
SRCF(s) and the safety-related communication
system
6.1.2 Configuration and parameterisation of the
safety-related communication system
6.1.3 Response time and protective measures
6.1.4 Fault monitoring and alarm indication
6.1.5 Assuring functional safety in case of SRECS
failure
6.2 Selection criteria of the safety-related communication
system
6.2.1 Architecture and application fields
6.2.2 Maximum response time
6.2.3 Transmission distance, transmission speed and
the number of nodes
6.2.4 Environmental conditions
6.2.5 Setting and configuration tools
7 System installation and setup (configuration)
7.1 System installation
7.1.1 System confirmation
7.1.2 Safety-related communication system wiring
7.1.3 Selection of power supply
7.1.4 Environmental conditions
7.2 Setting
7.2.1 System configuration
7.2.2 Setting for operation
7.2.3 Setting and modification of configuration data
8 Validation
8.1 Checks before applying the power
8.2 Validation after applying the power
8.3 Functional tests
8.4 Baseline
9 Documentation
10 Operation, maintenance and repair
10.1 Appointment of responsible person
10.2 Developing a maintenance plan
10.3 Implementing periodic maintenance
10.4 Items of maintenance work
10.5 Record of maintenance results
11 Education and training
11.1 General
11.2 Scope
11.3 Performing continual education and training
11.4 Contents of education and training
11.5 Planning of educational activities and storage
of education records
Annex A (informative) Design of a SRECS using a safety-related
communication system - Function blocks concept
Bibliography
Addresses the application of closed serial digital communications systems (often termed fieldbuses) used for transmission of safety-related data in the realisation of safety functions at machinery.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 44 |
