2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any
amendments) applies.

IEC 60204-1 :201 6, Safety of machinery – Electrical equipment of machines – Part 1: General
requirements

IEC 61 000-1 -2:201 6, Electromagnetic compatibility (EMC) – Part 1-2: General – Methodology
for the achievement of functional safety of electrical and electronic systems including equipment
with regard to electromagnetic phenomena

IEC 61 508 (all parts), Functional safety of electrical/electronic/programmable electronic safety-
related systems

IEC 61 508-2:201 0, Functional safety of electrical/electronic/programmable electronic safety-
related systems – Part 2: Requirements for electrical/electronic/programmable electronic
safety-related systems

IEC 61 508-3:201 0, Functional safety of electrical/electronic/programmable electronic safety-
related systems – Part 3: Software requirements

ISO 1 21 00:201 0, Safety of machinery – General principles for design – Risk assessment and
risk reduction

ISO 13849 (all parts), Safety of machinery – Safety-related parts of control systems
ISO 1 3849-1 :201 5, Safety of machinery – Safety-related parts of control systems – Part 1:
General principles for design
ISO 1 3849-2:201 2, Safety of machinery – Safety-related parts of control systems – Part 2:
Validation