Smart control valves thanks to IO-Link

Schubert & Salzer Control Systems has developed IO-Link positioners for their pneumatic control valves.

Ingolstadt. – Valves that control process and auxiliary media reliably and precisely are an important component in the digitisation of process plants. Schubert & Salzer Control Systems are now offering the latest generation of their tried-and-tested 8049 digital positioner for pneumatic control valves with IO-Link. Important diagnostic data from the controller and valve are thus available to plant operating companies. In addition, valve parameters such as dynamics, accuracy, and characteristic curve can be simply adapted at any time without physical access. A single cable with an M12 plug bundle the positioning signal, position feedback, data transmission, and even the power supply.

The integration of the international IO-Link industrial standard in its latest version 1.1.3 facilitates the installation and maintenance of the valves in complex plants. Additional device-specific software or hardware is not required. Incorrect connection is technically impossible due to the coded connecting plug. Even if a replacement should be necessary, this can be done without the need for specialists. The controller adopts the previously used parameterisation automatically by plug & play and is immediately ready for operation after self-calibration.

The status data provided non-cyclically via IO-Link significantly increase process reliability and plant uptime. Among other things, they enable the predictive planning of maintenance work.

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