Wireless and machine safety really can go hand in hand. One Siemens' customer, CAMotion, recently delivered wireless safety system as part of the control system it supplied for a gantry crane. The system connects the safety devices on the crane's moving gantry — including light curtains — back to the system's stationary controller. "It's the first wireless safety system that we're aware of," says Bryant. Why wireless? Hard-wiring the safety systems would have been difficult given the crane's layout. Bryant estimates that the wireless system cost about 60 percent less to install than a comparable wired system. Bryant adds that Siemens' PROFINet and PROFISafe safety communications protocol can run over wireless networks, making the installation possible. For more information go to CAMotion.
A bold, gold, open-air coupe may not be the ticket to automotive nirvana for every consumer, but Lexus’ LF-C2 concept car certainly turned heads at the recent Los Angeles Auto Show. What’s more, it may provide a glimpse of the luxury automaker’s future.
The complexity of diesel engines means optimizing their performance requires a large amount of experimentation. Computational fluid dynamics (CFD) is a very useful and intuitive tool in this, and cold flow analysis using CFD is an ideal approach to study the flow characteristics without going into the details of chemical reactions occurring during the combustion.
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