概述

作為GENASYS平臺的組件，GX7016開關子系統為板級和系統級功能測試提供了新的高性能，高密度開關陣列。基于6U PXI架構，GX7016集成了模塊化開關矩陣和多路復用器架構，支持多達4608個復合I/O引腳。通過高性能內部16線矩陣總線，可將多達128個外部資源連接到任何測試系統的接收器I/O引腳。對于數字測試功能，GX7016的開關子系統可以連接到數字子系統，如我們的GX5960數字子系統，為每個復用的I/O引腳提供混合引腳功能。開關子系統支持多達288個數字通道。

GX7016機箱采用MAC面板6U SCOUT接收器。SCOUT接收器提供可靠和高性能的方法將交換機模塊連接到大容量互連接收器，從而最大限度地減少對電纜組件的需求。SCOUT接收機是一種“直通”設計，每個交換機卡提供了一個“無線”連接到接收器連接器—無需電纜線束以及與電纜解決方案相關的可靠性問題。結果是一種低成本，高可靠性和可維護性的系統互連設計。SCOUT的模塊化設計還允許使用廣泛的接收器連接器，包括高密度，高電流和同軸類型。6U SCOUT接收器可以容納多達21個連接器插槽，并且在完全填充時可容納超過8000個連接點。

特征

GX7016是一個20插槽的6U PXI機箱，可容納多達19個開關板卡或儀表卡以及遠程PXI總線接口板卡，如MXI-4。除了支持所有的PXI-1資源外，GX7016的背板通過P5連接器提供內部高性能的16通道的模擬總線。每個GENASYS開關板卡都與這內部的總線向量，可以將信號從外部儀器傳送到接收器的任何接口。

GX7016的電源系統為755W。機箱的強制冷系統為4個79 CFM的風扇。無論使用多少儀器板卡或開關板卡，這種制冷配置都可以為機箱提供最佳的冷卻方案。同時系統還提供了另外的制冷方案，可與機箱內的空氣增壓相配合，為每個PXI模塊插槽提供氣流，不需要額外的進出風口。

GX7016機箱具有插槽溫度和系統電源電壓監控功能，同時還能將每個PXI觸發線從一個PCI段編程或映射到另一個。此外，用戶編程控制溫控功能，實現警告和關機。所有用戶的個性化配置可以存儲在非易失性存儲器中，可以作為用戶的默認配置使用。

結構

GX7016中，1槽專用于遠程系統控制器。可以在2槽中用于PXI Star觸發控制器，除此以外，任何PXI或cPCI或GENASYS開關模塊都可以使用這個槽位。3——15槽位支持PXI Star觸發，任何PXI或cPCI儀器或GENASYS開關模塊。16-29槽可以容納沒有Star Trigger或GENASYS開關模塊的PXI或cPCI板卡。

開關子系統

GX7016的模塊架構可使開關子系統支持更加廣泛的配置和功能。GX6032安裝在機箱的后面板，是一塊矩陣開關模塊，可用于輸入模擬信號管理。該模塊配置為32 x 16矩陣，最多支持32個輸入，可連接到GX7016的內部16線總線。 這些模塊最多可以系統最多可以支持4個這樣的模塊。

GX6256 MultiMatrix?開關卡支持信號從內部背板連接到接收器接口，該開關板卡是一個擴展的6U PXI模塊，可直接連接到接收器接口。該模塊結合了16x16矩陣和16個2:16多路復用器。 結果是可以支持來自16線總線的多達256個復用信號的開關卡。 另外，還包括輔助總線，提供將2個資源路由到復用組內的每組16個I / O引腳的能力。GX6256還支持為16個輸入/輸出中的每一個選擇模擬或數字資源（GX5960數字子系統）。

對于更高性能的模擬開關應用，GX7016可配置GX6192 HF MultiMatrix?開關卡，該卡組合了16x16矩陣16個1x12多路復用器，在接收器接口上提供總共192個高性能I/O引腳。HF資源通過外部連接器直接連接到GX6192。此外，信號可以通過系統的內部16線總線連接到/從HF開關卡到系統中的其他開關卡。

軟件

GX7016具有兩個軟件包：GxChassis用于監視和控制機箱，GxSW控制和顯示開關連接。GxChassis虛擬面板可用于根據定義的溫度水平交互式設置/顯示關機和報警條件，設置PXI觸發線并控制風扇轉速并監控電源電壓。GxSW虛擬面板可用于交互式連接，斷開連接并顯示交換連接，執行BIT，查看中繼使用次數等。

高級開關軟件——SwitchEasy允許顯示、控制和管理總體信號路由，并通過讓用戶簡單地定義資源和接收器引腳或UUT連接來提供端到端信號路由，從而簡化整體應用開發和部署時間。

這兩個軟件包都包含32位/64位DLL驅動程序庫和文檔。虛擬面板可以使用此外，還提供了一個API，它支持各種編程工具和語言，如ATEasy，Microsoft?Visual Basic，C＃和C/++，LabVIEW和LabWindows/CVI等。

應用

• GENASYA開關子系統
• 自動化系統測試應用
• 高IO計數，混合信號測試應用

Configuration
The GX7016's Slot 1 is dedicated for the remote system controller. A PXI Star Trigger controller, any PXI or cPCI instrument or a GENASYS switching module can be used in slot 2. Slots 3-15 support the PXI Star Trigger, any PXI or cPCI instrument or a GENASYS switching module. Slots 16-20 accommodate a PXI or cPCI instruments without the Star Trigger or a GENASYS switching module.

Switching Subsystem
The modular architecture of the GX7016 allows the switching subsystem to support a wide range of configurations and capabilities. Input analog signal routing is supported by the GX6032, a matrix switch module which is located on the rear of the chassis. This module is configured as 32 x 16 matrix and supports up to 32 inputs which can be connected to the GX7016’s internal 16 wire bus. Up to (4) of these modules can be supported by the system.

Signal routing from the internal backplane to the receiver interface is supported by the GX6256 MultiMatrix? switch card which is an extended 6U PXI module with direct connection to the receiver interface. The module combines a 16x16 matrix with (16) 2:16 multiplexers. The result is a switch card that can support up to 256 multiplexed signals from the 16 wire bus. Additionally, a secondary bus is included, providing the ability to route (2) resources to each group of 16 I/O pins within a mux group. The GX6256 also supports the ability to select an analog or digital resource (GX5960 digital subsystem) for each of the 16 inputs/ outputs.

For higher performance analog switching applications, the GX7016 can be configured with the GX6192 HF MultiMatrix? switch cards which combines a 16x16 matrix with (16) 1x12 multiplexers, providing a total of 192 high performance I/O pins at the receiver interface. HF resources are connected directly to the GX6192 via an external connector. In addition signals can be routed to / from the HF switch card to other switch cards in the system via the system’s internal 16 wire bus.

Software
The GX7016 is supported by two software packages: GxChassis to monitor and control the chassis and GxSW to control and display the switching connections. The GxChassis Virtual Panel can be used to interactively set /display shutdown and alarm conditions based on defined temperature levels, set the PXI trigger lines and control the fan speed and monitor the power supply voltage. The GxSW Virtual Panel  can be used to interactively connect, disconnect and display the switching connections, perform BIT, view relay usage count and more.
High level switching software - SwitchEasy allows you to display, control and manage overall signal routing and provides end to end signal routing by having the user simply define the resource and receiver pin or UUT connections, simplifying overall application development and deployment time.

Both software packages includes 32/64-bit DLL driver libraries and documentation. The virtual panel can be used to In addition, an API is supplied that supports a variety of programming tools and languages such as ATEasy, Microsoft? Visual Basic, C# and C/++, LabVIEW, and LabWindows/CVI and more.

Applications

• GENASYS switching subsystem
• Automated system test applications
• High I/O count, mixed-signal test applications

Knowledge Base Articles pertaining to GX7016

White Paper: PXI-Based, Advanced Switching Architecture for Functional Test
This white paper describes the advantages of leveraging the 6U PXI architecture and employing advanced signal routing topologies to create modular, high performance switching subsystems. Read more...

White Paper: PXI-Based, High Performance, High Density Switching Architecture
This paper reviews current switching architectures employed today and discusses the benefits / limitations of current COTS offerings. Read more...

White Paper: PXI-Based, Functional Test Solutions for Legacy and Next Generation Test Requirements
For both legacy and next generation test requirements, the PXI architecture offers a robust set of capabilities for performance mixed-signal test applications. By combining the capabilities of a performance digital subsystem (GX5960) with the flexibility of the GX7016 switching subsystem, the GENASYS platform provides all of the capabilities needed to address both legacy and future test needs. And with the modularity of these subsystems, end users have the option to configure these systems with moderate to high pin counts and with a wide range of instrumentation. The GENASYS platform and its subsystems has wide applicability for both factory and depot applications – solving both the legacy and future test needs for high value, mission critical products. Read more...

Downloads for GX7016
GX7016 Data Sheet
GX7016 Switching Subsystem (GX6192, GX6256, GX6864) User's Guide
GXSW (GX6xxx, GX7016) Read Me
GXSW (GX6xxx) Software
GxChassis (GX7000, GX7100, GX7200, GX7300, GX7600 series) ReadMe.txt
GXChassis (GX7000, GX7100, GX7200, GX7300, GX7600 series) Software

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Products similar to GX7016

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