Cat 3 Safety Diagram. 2021 06 02 cat 3 safety wiring diagram. You can meet the requirements for category 3 architecture in other ways so dont feel that you must use a cots safety relay.
By rocky jamesh september 4 2020. Part of the risk reduction process is to determine the safety functions of the machine. The internal circuit is redundant and self monitoring using multiple positive guided relays.
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Part of the risk reduction process is to determine the safety functions of the machine. 39 shows a system which satisfies the requirements of category 3 and is often suitable for applications with higher risk estimations. Main safety functions safetystrong principles 1 2 and 3. You can meet the requirements for category 3 architecture in other ways so dont feel that you must use a cots safety relay.