With its redundancy function, the high-performance RFC 4072R PLCnext control device from Phoenix Contact is ideal for use in high-availability applications. This PLC is a part of the PLCnext technology ecosystem, which the company touts as being the most open automation platform on the market.
Modern applications, in particular in the infrastructure industry, place the highest demands on the availability of control applications and therefore require control redundancy. Here, the RFC 4072R supports Profinet S2 redundancy without additional applicative programming work. The user benefits from easy commissioning based on the PLCnext Engineer engineering environment.
Assigning a system IP address enables automatic communication with the process-managing controller of the redundancy system, which opens up advantages during handling and when switching between connected visualisation systems. With the implemented OPC UA pub/sub functionality, high-performance and structured controller-to-controller communication can also be realised between different redundancy systems.
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Phoenix Contact has launched a modular PLC-Interface Ethernet Gateway remote relay system with up to 56 configurable I/O channels, multi-protocol support including Profinet Class C and S2 redundancy, and compatibility with established controller software for straightforward network integration.
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This instalment of the Loop Signature series introduces frequency plot theory as a foundation for understanding process dynamics, explaining Bode plots, dynamic gain, phase lag and their relationship to control loop tuning.
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Schneider Electric’s EcoStruxure Automation Expert is enabling brownfield operators to modernise incrementally, decoupling control logic from hardware to bridge legacy equipment and future-ready operations without disrupting production.
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Schneider Electric argues that virtualising DCS environments breaks the cycle of hardware obsolescence, giving plant operators a smarter path to lifecycle modernisation without production disruption.
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The Loop Signature series turns to frequency plot theory, explaining Bode open-loop plots and how dynamic gain, phase lag and crossover frequency can be extracted from test data to inform more accurate control loop tuning.
Read more...PC-based control in surgery Beckhoff Automation
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Researchers at the University of Basel are using Beckhoff PC-based control technology to develop a miniature laser robot for minimally invasive bone surgery.
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With Virtual PLCnext Control, Phoenix Contact is launching a software-based controller solution that enables flexible automation functions in virtualised IT environments.
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