Simatic RF620R is equipped with an integrated UHF antenna and up to two external UHF antennas can be connected to the Simatic RF630R. With Simatic RF communication modules, the devices can be integrated directly into Simatic S7 as well as Profinet/Profibus communication networks.
For this purpose, standard function blocks are available for the Step 7 engineering software. The two stationary readers from the Simatic RF600 family can be installed in constricted spaces thanks to their compact design and they can be used in harsh industrial environments due to the high degree of protection (IP65). The new devices are capable of reliable selective "tag" identification and secure data communication.
They are suitable for directly identifying objects at short to medium write/read distances of up to three meters. The main application areas of the readers are applications using Simatic automation technology and transponders according to the standards EPC Gen2 and ISO 18000-6C. These applications are typically found in production control, material handling control and in tracking and tracing.
The new readers now allow the setting up of process chains which are completely equipped with UHF technology according to ISO and EPC standards, from goods receipt, through production, to goods issue.
Gerhard Stauss | Siemens Industry Automation
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Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.
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A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.
Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...
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