Terminology Derived from Standards

The technical terms, terminology, and the corresponding descriptions in this guide normally use the terms or definitions in the relevant standards. Among others, these standards include:

EN ISO 13849-1: Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design
EN ISO 13849-2: Safety of machinery – Safety-related parts of control systems – Part 2: Validation
IEC 61508: Functional safety of Electrical / Electronic / Programmable Electronic safety-related systems
EN 62061: Safety of machinery – Functional safety of safety-related electrical, electronic and programmable electronic control systems
IEC 61511: Functional safety – Safety instrumented systems for the process industry sector
EN/IEC 60204-1: Safety of machinery – Electrical equipment of machines – Part 1: General requirements
IEC 61000-6-7: Electromagnetic compatibility (EMC) – Part 6-7: Generic standards – Immunity requirements for equipment intended to perform functions in a safety-related system (functional safety) in industrial locations
IEC 60664-5: Insulation coordination for equipment within low-voltage systems – Part 5: Comprehensive method for determining clearances and creepage distances equal to or less than 2 mm
IEC 60947-4-1: Low-voltage switchgear and control gear – Part 4-1: Contactors and motor-starters – Electromechanical contactors and motor-starters
IEC 60947-5-1: Low-voltage switchgear and control gear – Part 5-1: Control circuit devices and switching elements – Electromechanical control circuit devices
IEC 60947-7-1: Low-voltage switchgear and control gear – Part 7-1: Ancillary equipment – Terminal blocks for copper conductors
IEC 60947-7-2: Low-voltage switchgear and control gear – Part 7-2: Ancillary equipment – Protective conductor terminal blocks for copper conductors
EN 50205: Relays with forcibly guided (mechanically linked) contacts
IEC TR 62380: Reliability data handbook – Universal model for reliability prediction of electronics components, PCBs and equipment