Interlock avoids possibility of trapping staff
A
Mistura Systems product story
Edited by the Engineeringtalk editorial team
Jan 23, 2002
An interlock system has been developed to prevent personnel from becoming trapped in potentially hazardous areas such as automatic warehouses, cold stores, industrial boiler filters and X-ray cells
Mistura Systems has developed a "search and seal" interlock system to prevent personnel from becoming trapped in potentially hazardous areas.
Operatives such as maintenance engineers, cleaners and technicians often need to gain access to large protected zones like automatic warehouses, cold stores, industrial boiler filters and X-ray cells.
Such areas must be completely free of personnel before they are sealed and re-energised.
The Mistura Search and Seal system ensures this.
Once a search of the area has been completed, a safety key must be taken to the furthest point in the area and inserted into a spring loaded switch.
This activates a warning siren, flashing lamps and a timer circuit, commencing the lock-up procedure.
The safety key must then be taken directly to the exit point and inserted into the door lock.
The door bolt is then engaged, enabling the control key to be removed.
The area is now secure.
The control key must be inserted into the system panel, mounted on an adjacent wall, within a specified time period.
If it is outside the time period a search of the area must be carried out again and the sequence repeated.
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