Feature sponsored by Test & measurement A
DLINK’s latest generation of all-hybrid PXIe chassis with PCI Express Gen 3 and PXIe embedded controllers with Intel Gen 9 processors bring the speed and performance improvements required for a wide range of testing
and measurement applications in aerospace, semiconductor, telecommunication, EV (electric vehicles), and other industries. Many modern test and measurement applications are exceeding the limits of traditional PXI and PXIe as the quantity and speed of data continues to increase due to the proliferation of high-resolution sensors for real-time data measurement. In addition to increasing bandwidth to 24 GB/s and incorporating PXIe timing and synchronisation for high clock accuracy and external clock and trigger timing, ADLINK’s PXIe chassis feature higher power budgets and easily replaceable power supplies and fans. In step with increased bandwidth is the need for more processing power to process that data. PC-based test equipment with multiple PXI and PXIe modules requires a level of parallel processing that often pushes the limits of high-end CPUs. To solve this issue, server-grade processors, namely Intel Xeon, bring the power needed for these testing applications.
PXIe EMBEDDED CONTROLLERS PXIe embedded controllers include the CPU, HDD or SSD, and RAM for test and measurement equipment. Unlike a remote controller that connects the PXI equipment to a computer, the embedded controller puts the computer in the chassis. ADLINK PXI embedded controllers, based on the Intel processor family, include dual DisplayPort connectors for two monitors, GbE for LAN connection, GbE for
controlling LXI instruments, two USB 3.0 ports for high- speed peripherals, four USB 2.0 ports for peripheral devices and USB instrument control, and a Micro-D GPIB connector for GPIB instrument connection. ADLINK embedded controllers support Windows. The main difference between the embedded controllers is the CPU, with the PXIe-3937, PXIe-3977, PXIe-3987, and PXIe-3988 featuring Intel Core i3- 7100E, Intel Core i5-7440EQ, Intel Core i7-7820EQ, and Intel Xeon E-2276ME CPUs respectively.
PXIe CHASSIS
PXIe chassis use PCI Express technology to provide superior bandwidth and performance for customer applications. As PCIe has matured, each subsequent generation has doubled the per lane per direction data transfer speeds, with generations 1, 2, and 3 providing 250 MB/s, 500 MB/s, and 1 GB/s respectively. ADLINK PXI Express chassis backplanes have 24 PCIe 3.0 data lanes that deliver 24 GB/s in x1, x4, x8, or x16 configurations. For setup flexibility, peer-to-peer technology enables direct data transfer between peripheral modules without going through the host controller or using CPU and memory resources. Many PXIe peripheral modules are designed to support this peer-to-peer technology. ADLINK PXI Express chassis cater to multiple application needs, with various slots for an embedded controller, system timing controller, and PXIe modules, and hybrid slots for PXI or PXIe modules. Hybrid slots make it easier to keep using legacy PXI modules when upgrading chassis, saving the costs of replacing functioning cards that are prohibitively expensive to replace. Other chassis options include high-power power supplies or dual power supplies, field-replaceable power supplies and fans, with the PXES-2785 having 18 slots.
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September 2022 Instrumentation Monthly
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