Articles spécialisés
Wireless not cabled - a sure thing
A manufacturer of metal façade elements uses a hydraulic swing-folding machine for its metalwork controlled by a wireless safety foot switch. Doing away with a conventional cabled switch improves ergonomic comfort and increases the availability of the system because it cannot fail due to cable damage.
Source: GIT Sicherheit & Management (03/2016)
Heavy duty in desert dust
In the quarries of the Arabian caliphate Raps Al Chaim, temperatures are extreme and it only rains on 14.3 days a year. Any safety switchgear used here must be robust by design.
Source: P&A (03/2016)
Ex zones without cables
How do switches and sensors get their power and signals? In addition to the tried-and-tested cabled connections, process engineers are increasingly using cable-free, radio-controlled systems. Adaptation of this technology to the requirements of explosion protection has been a challenge for developers, but one which can now be considered met.
Source: CAV (03/2016)