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OPC-UA and PROFINET

PROFINET and OPC-UA are two common protocols that have some overlap in the automation and process industries, and understanding which protocol to use in particular part of a network can be confusing.  Should a new plant use PROFINET or OPC-UA to implement local control loops?  What about performance data for an automation cell?  Which protocol is the best fit to […]


Motion Control and PROFINET

It should come as no surprise that PROFINET also supports motion control applications with drives and motors (sometimes also referred to as VFDs – Variable Frequency Drives) as these are used in most modern automation systems.  Motion control support comes with PROFINET technology from three main aspects: 1.) The ability for scalable real-time control depending on the drive application 2.) […]


Using automation in hazardous locations ensuring safety

OSHA Publication 3073 says this about hazardous locations: Hazardous locations are areas where flammable liquids, gases or vapors or combustible dust exist in sufficient quantities to produce an explosion or fire. In hazardous locations, specially designed equipment and special installation techniques must be used to protect against the explosive and flammable potential of these substances. There are three factors which have to be present […]


PROFINET Tools – PROFINET Commander

PROFINET Commander is one of many PROFINET tools available that provides value to a variety of users interested in interacting with PROFINET devices. For automation product developers, it provides the ability to quickly test a new device or system under development. Meanwhile vendor salespeople can demonstrate a product without extra hardware. End-user engineers can configure a device to check before employing […]