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naperlou
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Evolving motor control
naperlou   1/8/2013 10:24:44 AM
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Elizabeth, it seems that the trend is to increase integration of these types of devices.  Many in the past were made up of separate components.  The use of EtherNet/IP also eases integration and cuts costs.  Interesting application.

Elizabeth M
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Re: Evolving motor control
Elizabeth M   1/8/2013 10:53:05 AM
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Yes, it seems to be the case, you're right. Putting more functionality in one device reduces the need for multiple components, as you point out. And Ethernet/IP is becoming more prevalent in device design as it seems that everything is required to be connected to a network these days.

apresher
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Blogger
Single Cable
apresher   1/8/2013 2:16:16 PM
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Obviously added EtherNet/IP to their mid-range motion control offering is the main story, but the single cable combining power and feedback might be the most unique benefit.  Also covers both servos and induction motors with single platform.

TJ McDermott
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Blogger
Re: Single Cable
TJ McDermott   1/9/2013 10:32:59 AM
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The important part of single cable servo hardware is the cable.  Rockwell will need to impress experienced engineers that they've designed the cable so that the feedback signals are immune to the noisy power signals.

apresher
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Blogger
Cable testing
apresher   1/9/2013 10:55:19 AM
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Great point, TJ.  Certainly engineered cables need to be designed carefully and tested extensively at longer distances.  If it isn't right, I'm sure Rockwell will find out about it. But that's still a legitimate concern for system engineers.



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