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Southern Manufacturing

Farnborough, Hants(GU14 6TQ)

20/04/2021 - 22/04/2021

Southern Manufacturing and Electronics is the most comprehensive annual industrial exhibition in the (more)

PPMA Show 2021

NEC, Birmingham(B40 1NT)

28/09/2021 - 30/09/2021

PPMA Show 2021 will be the UK’s largest ever event dedicated to state-of-the-art processing and (more)

Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

Join us in our 12th and most important edition to date, as we invite engineers and management from all (more)

Getting ready for EN13849-1

Getting ready for EN13849-1
The transition period for the harmonised European standard EN13849-1 to replace the well known safety standard EN954 is coming to a close on 30 November 2009. The designers of machine safety systems will now need to start evaluating all parts of their machine safety systems for compliance with the guidelines advised in the new standard as from 1 December 2009. The new standard has been implemented to ensure all parts of machine safety control systems are assessed and are suitable for purpose, based on upon reliability, diagnostic coverage and resistance to common cause failures. 

These criteria, which have been in the past typically applied to electrical and electronic systems, must now also be applied to the mechanical, hydraulic and pneumatic parts of machine safety systems.

Dold Industries has designed its new modular Safemaster STS trapped key interlock system to fully comply with the EN13849-1 standard right up to the requirements of performance level "e" (PLe), as a "standalone mechanical system" with the option of adding solenoid locking and electrical switching directly to guard doors or the control cabinet, as required. 

The Safemaster STS range can achieve this as it is a modular concept which allows it to be configured to meet the requirements of a redundant system with dual inputs and diagnostic coverage up to 99 percent. In addition the whole range has been designed with the required level of built in resistance to common cause failures.

The system is made of AISI 316 stainless steel and utilises ergonomic pad lockable linear keys. The stackable design is extremely flexible and incorporates multi angle actuator and key entry together with several types of actuator.
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