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首页 > 硬件 > 所有数字I/O仪器 > GX5960系列

GX5960系列:高性能50MHz动态数字 I/O PXI 子系统

  • High voltage pin electronics with per channel programmability & PMU pin
  • Analog bus access for each I/O channel
  • Dual level drive / sense, and programmable load on a per channel basis
  • 256 timing sets with 4 phases and 4 windows
  • Supports up to 528 bi-directional I/O channels

Description

本文地址:http://www.otraw.com/DAQ/MTS/CategoryMain/DIGITAL+IO/GX5960+Series.html
文章摘要:GX5960系列:高性能50MHz动态数字 I/O PXI 子系统 ,神经系统十二条共聚,呜呜九年南内环。

The GX5960 digital subsystem represents the highest level of performance available for PXI-based digital instrumentation. Based on the proven architecture of the GX5055 and the EADS T964, the GX5960 offers high performance pin electronics and a timing generator / sequencer in a compact, 6U PXI form factor. The GX5960 series consists of one GX5961 Clock generator board with 16 driver / sensor channels and the GX5964 driver / sensor board which supports 32 bi-directional I/O channels. Up to 528 digital I/O channels can be supported by the GX5960 digital subsystem. Each digital channel features a wide drive / sense voltage range of -15 V to +25 V (maximum swing of 26 volts) which can be individually programmed for a drive hi, drive lo, sense hi, sense lo, and a load value (with commutation voltage level) – offering the user complete flexibility when creating test programs and fixtures for multiple UUTs. In addition, each channel offers a parametric measurement unit (PMU) for DC measurements.  

 

Features

The GX5960 offers real-time digital stimulus, record, or expect data modes on all I/O channels. Pattern memory depth is 256K words. Each channel can be configured as an input or output on a per cycle basis. Six drive data formats are supported: NR, R1, R0, RZ, RC, and Complement Surround – providing flexibility to create a variety of bus cycles and waveforms to test board and box level products.  

The GX5961 provides timing, input / output synchronization signals, and sequencing as well as 16 I/O channels. Additional channels can be added to the system by installing one or more, GX5964 boards which are interconnected via the PXI local and trigger busses. The GX5961 offers a flexible clock system which allows the module to operate as a timing master to the UUT or be slaved to the UUT’s time base or some other external clock.

 

Data Sequencer

The GX5961's sequencer supports sequences up to 4096 steps and has 16 loop counters that may be nested.  The sequencer supports a variety of sequencing functions including jumps, subroutines, looping, and test inputs. All of the sequencer commands may be programmed using a Graphical Vector Editor, Windows? API commands, or via a script language. The sequencer allows the user to generate test vectors indefinitely at maximum test rates. Internal and external trigger and pause commands are available in several modes.

Timing Generator

The GX5961's timing generator supports 256 timing sets which can consist of up to 4 drive phases and 4 sense windows for 4K of sequence steps. Alternative timing set configurations include 1K of timing sets with 4 phases and 4 sense windows or 4K of timing sets with 1 phase and 1 window. The T0 cycle or sequencer period range is programmable from 20 ns to 64 us with the phase and window values programmable from 0 ns to 64 us. This flexibility offers the user the ability to address a wide range of applications including the emulation of complex bus cycles and proprietary digital interfaces.
Compatibility
The GX5960 subsystem  can operate in any 6U PXI chassis that supports an air flow rate of 20 cfm/slot. Power for the pin electronics requires the use of external power supplies or the GX5960 can be used with a Marvin Test Solutions GX7005A / GX7015A PXI chassis which is designed specifically for high performance / high power digital applications and includes the necessary pin electronics power supplies.

Software

The board is supplied with GtDio6x, a software package that includes vector editing, a virtual instrument panel, and 32/64-bit DLL driver libraries and documentation. The virtual panel can be used to interactively program and control the instrument from a window that displays the instrument’s current settings and status. In addition, interface files are provided to support access to programming tools and languages such as ATEasy, LabView, C/C++, Microsoft Visual Basic?, Delphi, and Pascal. On-Line help file and PDF User's Guide provides documentation that includes instructions for installing, using and programming the board.
Other optional software packages are available to support the importing of CASS digital TPS’ or IEEE-1445 .tap files.

 

Applications

  • Automatic Test Equipment (ATE)
  • High-speed functional digital test
  • Vector capture
  • Hybrid and digital device test
  • Memory testing
  • LRU and SRU test
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