The first challenge you face when talking about 'enterprise wide' data sharing is how to establish data connectivity with all your controllers, such as PLCs, at the control level. Running a close second is the questions of how to share this data with the rest of the company while ensuring that appropriate levels of access are granted only to the right people. And finally, from a maintenance and future upgrade/migration perspective, it is worth considering how much work will be required to install and configure the various connectors as your company continues using legacy systems, buys new controllers, and ...
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