This International Standard specifies principles for the design and selection, independent of the nature of the energy source, of interlocking devices associated with guards (as defined in 3.23.1 "interlocking device [interlock]", 3.22.4 "interlocking guard" and 3.22.5 "interlocking guard with guard locking" of ISO/TR 12100-1:1992).
It also provides requirements specifically intended for electrical interlocking devices (see clause 6). This International Standard covers the parts of guards which actuate interlocking devices.
NOTE Requirements for guards are given in prEN 953. The processing of the signal from the interlocking device to stop and immobilize the machine is dealt with in ISO 13849-1.
ISO 14119:1998 history
2013ISO 14119:2013 Safety of machinery.Interlocking devices associated with guards.Principles for design and selection
2007ISO 14119:1998/Amd 1:2007 Safety of machinery — Interlocking devices associated with guards — Principles for design and selection — Amendment 1: Design to minimize defeat possibilities
1998ISO 14119:1998 Safety of machinery - Interlocking devices associated with guards - Principles for design and selection