Safety Unit and an Improved Safety System Comprising a Number of Safety Units
AssigneeSSPN Safety System Products North AB
InventorMats Linger
Life of this patent
Estimating the term…
Abstract
A programmable safety unit for monitoring and controlling safety functions of a hazardous environment, for example an environment including hazardous machines, processes, materials, and so forth and safety equipment associated with the hazardous environment. A safety unit is adapted for external mounting, and includes a programmable safety module and a connection part that are interconnectable enabling mounting/demounting and replacement of the programmable safety module and/or the connection part. The safety unit further includes at least two connections that are programmable as safe inputs and/or outputs for direct connection to at least a number of the safety functions or equipment of the hazardous environment, and for example the machines and/or processes.
Claims20
-19. (canceled)
A programmable safety unit for monitoring and controlling safety functions and safety equipment of a hazardous environment, comprising:
- a programmable safety module;
- a connection part;
- and
- at least two connections to the safety unit such that encapsulation requirements of the hazardous environment are fulfilled, the at least two connections being programmable as safe inputs and/or outputs for direct connection to at least a number of the safety functions and/or safety equipment of the hazardous environment;
- wherein the programmable safety module and the connection part interconnect such that encapsulation and interconnection is provided that fulfills installation and encapsulation requirements of the hazardous environment, and such that the programmable safety module and the connection part can be mounted, demounted, and replaced;
- the programmable safety unit handles all signals to and from the hazardous environment;
- and the programmable safety unit mounts externally to the hazardous environment.
Dependencies are inferred from the claim text.