NameStandard
Electrical equipment for measurement, control and laboratory use – EMC
requirements – Part 3-1: Immunity requirements for safety-related systems
and for equipment intended to perform safety-related functions (functional
safety) – General industrial applications
IEC 61326-3-1:2017
Functional safety of electrical/electronic/programmable electronic safety-
related systems – Part 1: General requirements
IEC 61508-1:2010
Functional safety of electrical/electronic/programmable electronic safety-
related systems – Part 2: Requirements for electrical/electronic/program-
mable electronic safety-related systems
IEC 61508-2:2010
Functional safety – Safety instrumented systems for the process industry
sector
IEC 61511-1:2017
Adjustable speed electrical power drive systems – Part 5-2: Safety require-
ments – Functional
IEC 61800-5-2:2016
EN 61800-5-2:2007
Safety of machinery – Functional safety of safety-related electrical, elec-
tronic and programmable electronic control systems
IEC 62061:2005 + A1:2012 +
A2:2015
EN 62061:2005 + AC:2010 +
A1:2013 + A2:2015
Safety of machinery – Safety-related parts of control systems – Part 1:
General principles for design
EN ISO 13849-1:2015
Safety of machinery – Safety-related parts of control systems – Part 2:
Validation
EN ISO 13849-2:2012
The function also corresponds to Prevention of unexpected start-up as specified by
EN ISO 14118:2018 (ISO 14118:2017), and Uncontrolled stop (stop category 0) as specified
in EN/IEC 60204-1.
■ Compliance with the European Machinery Directive
See the technical data.
The Declaration of conformity is shown at the end of this chapter.
194 The Safe torque off function