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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)

Rail approval for Safety PLC

Rail approval for Safety PLC At Railtex 13, Pilz will present an automated half barrier level crossing demonstrator, with a Safety PLC System implementing control and signalling. To date, safety solutions in the railway sector have largely used proprietary, specialist technology, much of it based around relay logic. However, this has often involved a lot of work for a one-off approval - particularly with regard to rail safety standards.

Components in the PSS 4000-R system (PLC header modules and modular I/O cards) already include the essential approvals for railway applications as a product feature - keeping verification and validation work to a minimum. Thanks to its scalability, the PSS 4000-R system can be used for SIL 2, SIL 3 and SIL 4 applications.

Various applications can be implemented using the PSS 4000-R including control functions on rolling stock (such as track laying machinery and traction units to SIL 2/SIL 3) and control functions/monitoring functions in the signalling area, such as signal monitoring on level crossings, control and safety technology, and signal box connection to SIL 2/SIL 3/SIL 4. The PSS 4000-R system is characterised by a particularly robust design. It meets the increased requirements from the railway sector. Additional benefits include intuitive programming with standardised EN/IEC 61131-3 Editors and Ethernet-based communication.

Thales Germany has been using the PSS 4000-R. Norbert Howe, director solutions of the German Business Area Transportation Systems says: "Pilz offers us standardised technology for developing signalling products. Pilz supports us to evolve our relay-based rail signalling products using state-of-the-art components.
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