How to Maintain Your Rotating Connection


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In the design of automation equipment everyone is looking for an edge.  How can I make parts faster or easier or safer?  I’m sure you don’t encounter the need for 360 degree rotation everyday; but when you do, it can become a pain to maintain sensor and actuator information or even a network connection.

There are two different ways to maintain your connection in a rotation application:

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NFPA 79 for AWM Cables in 2011

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Since my first post on NFPA79  in relation to sensor cables was published, there have been more and more customers asking me for a statement of compliance.  So after much review, we decided to ask the professionals.  As a member of the NFPA you can call and talk to a document specialist to help you clarify the wording and how it applies to your exact situation.

During my conversations with them, I learned that a new revision of NFPA79 that will be released in 2011.   This version I hope will help clarify the concerns people have with the original wording “12.2.7.3 Single conductor or multi-conductor Type AWM shall not be permitted.”  Most, if not all, sensor cables are built-in the Type AWM.

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3 Steps to Evolve to Ethernet Networked I/O

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Let’s face it; an installed base, a trained maintenance crew, and an established set of procedures all make it really difficult to try to implement any new technologies in a running manufacturing facility.  The idea of an industrial network providing detailed data about your processes and improving productivity sounds interesting and valuable,  but where do you begin?  Retrofitting everything with the newest technology isn’t an option in today’s economy, the capital investment is just too great.  But there is hope!  And with small steps, time and training, any plant can move forward into the ethernet realm and beyond.

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Sensor Cables and the National Fire Protection Agency

If you aren’t familiar with the NFPA, here is a brief summary from their website:
“The mission of the international nonprofit NFPA, established in 1896, is to reduce the worldwide burden of fire and other hazards on the quality of life by providing and advocating consensus codes and standards, research,training, and education.”  http://www.nfpa.org/

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