Swiss aviation firm uses Jokab Safety PLC
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Jokab Safety UK product story
Edited by the Engineeringtalk editorial team
Mar 26, 2009
Engineering firm Martin Brunner, working alongside Helog Heliswiss, has developed an application for monitoring loads transported by helicopters using the Pluto Safety PLC from Jakob Safety.
A Pluto controller installed in a helicopter monitors the lock of a load hook, while using resistors to check for broken cables, or that the hook has not completely closed within five seconds.
Should either situation arise, a danger signal will sound in the cockpit area.
Thanks to the referrals from some business partners, Martin Brunner became aware of the three-position enabling devices JSHD2C and JSHD4 manufactured by Jokab Safety.
The company also uses these enabling devices on applications for loads located under different types of helicopters, especially in the Puma helicopters from the Swiss Federal Border Guard using double load-hooks 3000.
Pluto is an All-Masters safety PLC concept, which simplifies the design of safety systems and reaches high safety levels including SIL3 according to IEC-62061 and PL-e according to EN-ISO-13849.
All Pluto PLCs are master devices and can see inputs, outputs and the local/global memories of the other Plutos, which can be linked with each other via the safety CANbus.
The safety system is programmed with the Pluto Manager, a programming tool based on Windows with TUV-approved safety function blocks.
Brunner has tested the complete solution in co-operation with the Swiss Federal Agency for Civil Aviation and had it certified as a complete system.
A helicopter from Helog is reported to be using the system with success.
Further projects are in the planning stage.
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