Flow and pressure sensors with IO-Link

09 February 2016

Festo has launched two new easy-to-use sensors with IO-Link output that enable engineers to easily check the status of a process.

SFAW is the first flow sensor from Festo for sensing liquid media and the SPAU is a new modular system designed for the monitoring of pressure and vacuum in process and factory automation applications.  
The sensors are available with IO-Link output options. The modular electrical output concept makes the sensors flexible and open, enabling simple integration into numerous control systems. 

They are also available with switchable PNP/NPN output, which means that users can simplify stock management. 
“IO-Link is increasingly being used in the UK for point-to-point serial communication protocol to communicate with sensors and/or actuators in new automation systems,” said Steve Sands, product manager at Festo.  “Remote maintenance and parameterisation as well as simpler sensor change are made possible via IO-Link, which means set-up and changes can be made faster and with less opportunity for errors.”
The SFAW sensors are suited to applications for monitoring flow rate, consumption and optionally, temperature of liquid in cooling circuits. The sensors offer two flow measurement ranges of 1.8 to 32 l/min and 5 to 100 l/min. Temperature of liquid media can be measured from 0 to +90°C.
The SPAU sensor for pressure measurement, monitoring and sensing is designed to keep pressure levels under control, ensuring greater productivity and process reliability as well as faster system commissioning.  Pressure indication, pressure switch outputs and analogue value output are possible in a single device and the sensor can measure from 0 – 16 bar. It has a wide range of functions for non-corrosive gases including network, regulator and vacuum monitoring, leak tests and object detection. 
Both the SFAW and SPAU sensors are sealed to IP65 making them suitable for use in harsh process environments.
“Reliable automation and consistent product quality are dependant upon effective process monitoring,“ continues Sands,  “Failure can mean expensive product recalls or damage to  sophisticated equipment.  Customers are increasingly looking for effective sensing solutions to close the loop in their automation processes through monitoring and diagnostic technologies.” 

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