Interference-prone transmission paths for measurement and control signals can be effectively protected by using signal conditioners. The picture shows components of Pepperl+Fuchs’ SC-System (left: 6 mm wide modules save space and can be used up to 70 °C; right: transmitter power supplies belong to the most frequent used interface modules, here the Smart version.) (Pictures: Pepperl+Fuchs; Fotolia gui_yong_nian/alphaspirit;[M]-Frank)
Signal Conditioners

Effective Protection against Faults by Using Signal Conditioners

The operation of high-quality field devices and process control systems can only be as effective as the signal they receive. However, the signal lines are exposed to numerous sources of interference. Galvanic isolation of the signal circuit between the field and process control system offers effective protection at a relatively low cost. It avoids the risks involved with a direct connection between field devices and the controller.

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