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 safety-related 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