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Smartphones & Tablets as Remote HMIs
9/17/2013

One Step Automation mobile HMI provides a simple interface to adjust the motor speed of variable frequency drives used in grain production.  (Source: Opto 22)
One Step Automation mobile HMI provides a simple interface to adjust the motor speed
of variable frequency drives used in grain production.
(Source: Opto 22)

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naperlou
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Not that hard
naperlou   9/17/2013 9:16:42 AM
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Al, I would think that developing a native app for a smart phone of tablet would not be that hard.  On the other hand, the vendors you mention are probably using HTML5.  This will run on any enabled browser.  These browsers will run on smart phones, tablets and PCs with little or no change.  On the other hand, I still see lots of native apps being built.  Perhaps we still have a way to go.

apresher
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Remote HMIs
apresher   9/17/2013 2:59:10 PM
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Naperlou,  This approach does use HTML5 but the network appliance adds two things: security that separates the control network from the web and easy access to control parameters.  It could be done in HTML but this approach makes it much easier because there are basically templates and tools to view all of the available parameters.  Simplifies the development but also requires the network appliance.

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