Fieldbus & Industrial Networking

Fieldbus components for hazardous areas

April 2012 Fieldbus & Industrial Networking

Wago has expanded its range of fieldbus components for use in hazardous areas. Nearly 30 components from the WAGO-I/O-SYSTEM have received both ATEX and IEC Ex certification for temperatures up to 60°C. The components include Profibus coupler, Ethernet controller, digital input and output modules, analog input and output modules, as well as specialty modules. With this certification, including an extended upper-temperature range, the select Wago components can meet the needs of diverse applications. Fieldbus technology for hazardous areas is vital in applications such as corn and coal milling, biogas plants and cement manufacture, as well as in energy management, for example gas and oil production facilities.

Wago’s automation system is designed for installation in non-hazardous areas or in Zone 2/22. The system integrates signals from sensors and actuators via Ex i segments in Zones 0/22 and 1/21, without additional devices such as Zener barriers. This allows both Ex i and standard applications to be safely and economically integrated into an existing automation system.

For more information contact Christo Grobler, Shorrock Automation, +27 (0)12 345 4449,,


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