Wireless IO for Industrial Applications
17/11/2010
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As wireless communication has proven itself as a valuable tool in the industrial automation arena, the number of options has grown to meet application-specific needs. With the introduction of industrial cellular wireless communication, manufacturers have another wireless alternative. As with any tool, the key to deriving maximum benefits from cellular wireless communication is to determine if its capabilities suit an application’s needs and understand the steps required for effective implementation.
For applications in which the devices requiring connection are geographically dispersed, cellular wireless communication eliminates the need to build a large infrastructure and install numerous repeater radios.
In selecting a wireless communication option, users need to evaluate capital versus operating costs. In situations where a tower site has to be erected to elevate an antenna high enough to make a link work, comparing that cost with the operating costs of cell modems and data plans often demonstrates that a cellular solution is the best choice.
Since cellular communication is a well-established technology with a widely distributed secure infrastructure, it offers some distinct advantages such as eliminating concerns about interference.
Once it has been determined that cellular communication is an optimal solution, it is essential to select an industrial cell modem that meets the application’s requirements including operating temperature and hazardous location rating. In addition, selecting a product that has an enterprise management tool versus a device management tool allows users to manage a large network of devices from a single screen. Cell modems can be monitored globally and
firmware or settings can be changed globally.
As a new option for industrial automation, cellular wireless offers manufacturers an innovative solution to specific communication challenges. While today’s sophisticated industrial modem technology is a powerful tool, it effectiveness depends on in-depth understanding of its capabilities and implementation requirements.
Safety IO is now available for distributed wireless applications.
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