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Advanced Engineering 2020

NEC, Birmingham(B40 1NT)

04/11/2020 - 05/11/2020

The UK's largest annual advanced manufacturing trade show, Advanced Engineering is your opportunity to (more)

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NEC, Birmingham(B40 1NT)

25/01/2021 - 27/01/2021

The show brings together key suppliers of state-of-the-art equipment representing the multi-tasking culture (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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