/// DAQ, SENSORS & INSTRUMENTATION NEWSROUND \\\
Machine monitoring for rotating plant
Monitoring system measures absolute bearing and relative shaft vibration, displacement and thrust position, speed, phase and reverse rotation, differential and casing expansion, rod drop and temperature
The ability for plant engineers to rapidly identify abnormal conditions and better manage the dynamic behaviour of their rotating plant with proven, flexible and easy-to-install monitor- ing systems has never been more important. With this in mind machine monitoring special- ists at Sensonics have continually developed and refined the company’s Sentry G3 machinery protection system, which provides the required protection combined with flexibility of hard- ware in a single, easy-to-use module type for all sensors. Advanced features include vibration, position and speed parameter trending facilities, including log and view of up to 60 days of data, ‘look- back’ at trends and alarms plus down- load data for further analysis in Excel. It is also now possible to di- rectly view proximity probe gap and vibration transducer bias voltages to verify correct transducer operation and calibration. The Sentry G3 single module concept min- imises the need for spares holdings helping to reduce ongoing mainte- nance costs. Furthermore,
it
also lowers the risk during retrofitting appli- cations where
Easy to use monitoring system for rotating machinery takes input from displacement and vibration sensors to measure system health
22 /// DAQ, Sensors & Instrumentation \\\ 2021
instrument ready for PCIe 6.0
64GBaud bit error ratio tester gains compliance test measurement approval for PCIe standards
Keysight Technologies’ M8040A 64Gbaud high-performance bit error ratio tester (BERT) has been ap-
proved by the PCI-SIG as a compliance test measuring instrument for PCI Express 4.0 (PCIe Gen4) test- ing at 16 gigatransfers a second (GT/s) and 8GT/s. As serial bus technologies increase in speed and bandwidth, test equipment vendors are faced with the challenge of providing correspondingly capable tools. The BERT system enables accurate physical-layer design verification of high-speed communication and multi-gigabit dig-
ital interfaces and is the only PCI-SIG approved receiver test BERT for PCIe 4.0 capable of testing PCIe 5.0 (32GT/s) and enables pathfinding (the process of selecting a design choice by evaluating different technical approaches against a set of defined system parameters and goals) for the emerging PCIe 6.0 (64GT/s) speeds. According to Kailash Narayanan, vice-president for Keysight’s commercial communications group, the PCI Express standard is im- portant to Keysight and its customers. “As the industry looks ahead to PCIe 6.0, we believe that approval of our M8040A for PCIe 4.0 receiver testing will enhance the level of confidence in test tools that can be used today while offering a clear runway to next generation technologies at speeds up to 32Gbaud PAM4,” he says. The PCI-SIG (orig- inally formed as the Peripheral Component Interconnect Special Interest Group) develops and manages the PCI bus specification, the industry standard for a high-performance I/O interconnect for transferring data between central processing units and peripherals. Currently, the PCI-SIG manages the PCI, PCI-X and PCI Express stan- dards.
Test
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