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Safety PLC / Circuits Certification

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When I worked for General Motors we would use an outside company to certify the Safety PLC and Safety Circuits of any new robotic cell prior to running production. Once the system was bought off the PLC was locked down with a password and only the plant safety department had access to it.

How are other companies doing this now?

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Posted (edited)

You can buy the certification software and so the safety evaluation and certification yourself or hire a third party.

Edited by pcmccartney1

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As a machine builder, we leave the safety unlocked. We leave it up to the end user. Some actually certify their equipment. Others do not. Of the ones that I see certify, they use a third party for it.

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