Pepperl+Fuchs introduces fieldbus segment protectors for hazardous settings

Pepperl+Fuchs recently launched FieldConnex fieldbus segment protectors for applications in hazardous locations. FieldConnex protectors facilitate efficient connection of field devices with diverse explosion protection methods, and feature integrated short-circuit protection for maximum plant availability and production. These segment protectors are DIN-rail-mountable or can be mounted in a cabinet.

FieldConnex protectors can be mounted in Class I, Div. 1/Zone 1 locations for connecting explosion-proof/Eex d field devices. Other models can be located in Class I, Div. 2/Zone 2, and when used with an appropriate fieldbus power supply, they allow the connection of all Div. 2/Zone 2 certified field devices, as well as intrinsically safe and explosion proof/Eex d protected devices. The latter can be located in Div. 1/Zone 1.

These fieldbus distributors branch the trunk lines of Profibus PA or FOUNDATION fieldbus out to 12 spurs. Each spur is individually short-circuit current limited, so that a shortcircuit at any one spur doesn’t negatively influence the communication of the remaining fieldbus segment. Fault conditions are indicated on each spur via LED status indicators.

—Jim Montague, news editor, Control Engineering, jmontague@reedbusiness.com

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