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INSTRUMENTATION • ELECTRONICS


new sensor can be easily installed without costly equipment modifications. The radar signals pass right through viewing windows and glass containers so that the sensor can also be mounted outside the container. In the shipbuilding sector, where every millimetre


counts, the Vegapuls 64 shows off its assets. It can detect down to the very last millimetre at the bottom of


storage tanks on ships, which is significant because on lager tankers, 1mm of filling height usually corresponds to thousands of litres of crude oil or fuel. Thanks to the tightly focused measuring beam, only a very small liquid surface area at the tank bottom is needed to determine the exact level. The encapsulated antenna system ensures that the sensor works reliably and maintenance free, even in rough seas. It can even be used in vessels with internal installations or heavy build up on the walls, as its focused microwave beam simply avoids these obstacles.


OPENING UP NEW AREAS OF APPLICATION The diameter of the smallest version of the Vegapuls 64 is no larger than a 1 Euro coin. As can be seen in the above examples, besides its applications in mainstream manufacturing and processing industries, the sensor opens up application possibilities in pilot plants and even laboratories, which, for space reasons, had to do without radar level measurement technology until now. n


For more information ✔ at www.engineerlive.com/process


The front-flush antenna of the Vegapuls 64, made of PTFE, has very high chemical resistance and needs no seal, making it particularly valuable for use in chemical or multi-product tankers


Jürgen Skowaisa is with Vega. www.vega.com/radar


Profinet extension for electric actuators A


new interface for AC.2 actuator controls now allows AUMA actuators to be integrated into


Profinet networks. The increasingly popular Profinet standard gives the actuator manufacturer a second industrial Ethernet- based networking option alongside Modbus TCP/IP.


The new interface meets the requirements of Profinet specification 2.3 and supports Conformance Class B (CC-B). Rates of up to 100Mbit/s are possible. Implementation into line and loop topologies is facilitated by the integrated switch function. Loop topologies additionally provide redundancy via the Media Redundancy Protocol (MRP). Physical connection is made via field- assembled RJ45 connectors.


The new Profinet interface allows AUMA actuators to be integrated into industrial Ethernet environments


AUMA actuators with a Profinet


interface integrate smoothly into network infrastructures: commissioning, handling of actuators and fault diagnostics are easy and convenient, thanks to features including automatic address assignment. Actuators can be identified and addressed by device name from any point on the network. An integrated web server allows swift and easy performance of connection tests, status requests and fault diagnostics at any time. All operation commands and feedback signals offered by the Profibus DP protocol are available to AC actuator controls thanks to the standardised device description (GSDML). n


For more information ✔ at www.engineerlive.com/process


For more information visit www.auma.com


www.engineerlive.com 45


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