Datasheet > 780936-01

780936-01

更新时间： 2024-11-04 06:32:07

品牌	Logo	应用领域
美国国家仪器公司 - NI		PC
页数	文件大小	规格书
5页	643K
描述
GPIB Analyzers for PCI and PCI Express

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中文翻译

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数据手册

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780936-01 数据手册

GPIB Analyzers for PCI and PCI Express

NI PCI-GPIB+, NI PCIe-GPIB+,

NI PCIe-GPIB+ Low-Profile (LP)

◾◾

Analyzer Hardware

Capture event markers for easy

analysis and benchmarking

Selective captured event printing

Software can run concurrently

with GPIB applications

◾◾

Monitor and control all GPIB lines

◾◾

Capture GPIB events including

event timestamping

Large FIFO for high-speed captures

◾◾

Hardware triggering

Variable handshake rate

Capture GPIB handshake

line transitions

Controller

◾◾

IEEE 488.2 and HS488 compatible

◾◾

Jumperless, software conﬁgurable

◾◾

Plug-and-play compatible

Analyzer Software

Operating Systems

◾◾

Easy-to-use graphical application

◾◾

Windows Vista (32- and 64-bit)/XP/2000

◾◾

Selective GPIB event capture

Driver Software (included)

◾◾

Several windows for capture buffer

◾◾

NI-488.2

and capture display

Several data display formats

◾◾

GPIB analyzer

◾◾

Captured data searchable

for speciﬁed GPIB pattern

the Capture button in the Action window. When the analyzer is capturing, it

Overview

continually samples the GPIB and records the occurrence of user-speciﬁed GPIB

events. You can conﬁgure the analyzer application to record captured information

for any combination of the following GPIB events:

The NI PCI-GPIB+, PCIe-GPIB+, and PCIe-GPIB+/LP devices include a complete

GPIB analyzer and GPIB controller on a single device. Compatible with HS488,

these devices are lower-cost alternatives to purchasing two separate products

for analyzer and controller functionality. You can use them to troubleshoot

IEEE 488 software and hardware problems or control GPIB instruments. You

can trigger on bus patterns or speciﬁc GPIB events and benchmark system

performance with the built-in timestamping capabilities.

◾◾

Data transfers

◾◾

Command transfers

◾◾

Control-line transition

◾◾

Handshake-line transition

◾◾

Parallel-poll response

In addition, you can conﬁgure the analyzer application to continually

reuse the capture buffer (treat it as a circular buffer) until you stop the

capture operation.

Monitoring the Bus

The GPIB analyzer software displays the current state of the GPIB at all times.

The Bus Monitor window shows the real-time state of each of the 16 GPIB

data and control lines. It displays the state of the eight data lines in ASCII,

hexadecimal, and binary formats and the state of the eight control lines in the

binary format.

You can conﬁgure the analyzer application to participate in the IEEE 488.1

three-wire handshake while capturing. For nonintrusive captures, you can

conﬁgure the analyzer application not to participate in the IEEE 488.1 three-

wire handshake while capturing. Besides capturing the standard IEEE 488.1

three-wire handshake, the analyzer application can capture high-speed HS488

data transfers. If desired, you can conﬁgure the analyzer application to record

timestamps with each captured event. Recorded timestamps have a

50 ns resolution.

The window displays the binary format as a series of LEDs, one for each GPIB

line represented.

Each GPIB data and control line has a corresponding toggle switch you can

use to assert one or more of these lines at any time. Using these switches, you

can exercise simple control over the GPIB, such as stepping through the states

of the source or acceptor handshake. The Accept Byte button performs a single

acceptor handshake sequence. The GPIB analyzer software offers several options

for capturing and analyzing activity on the GPIB. You enable the capture by using

Sometimes you may want to focus a capture operation on a speciﬁc GPIB

pattern that occurs at some unknown time. With the analyzer application, you

can deﬁne a GPIB trigger condition and select the number of events to record

12 3 4 5

中文翻译

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